2004 Microchip Technology Inc.

DS21893A-page 1

MCP73861/2

Features

· Linear Charge Management Controllers

- Integrated Pass Transistor

- Integrated Current Sense

- Reverse-Blocking Protection

· High-Accuracy Preset Voltage Regulation: + 0.5%

· Four Selectable Voltage Regulation Options:

- 4.1V, 4.2V - MCP73861

- 8.2V, 8.4V - MCP73862

· Programmable Charge Current: 1.2A Maximum

· Programmable Safety Charge Timers

· Preconditioning of Deeply Depleted Cells

· Automatic End-of-Charge Control

· Optional Continuous Cell Temperature Monitoring

· Charge Status Output for Direct LED Drive

· Fault Output for Direct LED Drive

· Automatic Power-Down

· Thermal Regulation

· Temperature Range: -40°C to 85°C

· Packaging: 16-Pin, 4 x 4 QFN

Applications

· Lithium-Ion/Lithium-Polymer Battery Chargers

· Personal Data Assistants

· Cellular Telephones

· Hand Held Instruments

· Cradle Chargers

· Digital Cameras

· MP3 Players

Description

The MCP7386X family of devices are highly advanced
linear charge management controllers for use in space-
limited, cost-sensitive applications. The MCP73861 and
MCP73862 combine high-accuracy constant voltage,
constant current regulation, cell preconditioning, cell
temperature monitoring, advanced safety timers, auto-
matic charge termination, internal current sensing,
reverse-blocking protection, and charge status and fault
indication in a space-saving 16-pin, 4 x 4 QFN package.
The MCP7386X provides a complete, fully-functional,
stand-alone charge management solution with a
minimum number of external components.

The MCP73861 is targeted for applicatioins utilizing
single-cell Lithium-Ion or Lithium-Polymer battery
packs, while the MCP73862 is targeted for dual series
cell Lithium-Ion or Lithium-Polymer battery packs. The
MCP73861 has two selectable voltage-regulation
options available (4.1V and 4.2V), for use with either
coke or graphite anodes, and operates with an input
voltage range of 4.5V to 12V. The MCP73862 has two
selectable voltage-regulation options available (8.2V
and 8.4V), for use with coke or graphite anodes, and
operates with an input voltage range of 8.7V to 12V.

The MCP7386X family of devices are fully specified
over the ambient temperature range of -40°C to +85°C.

Package Type

DD1

BAT1

THERM

TIMER

STAT1 STAT2

PROG

DD2

SET

THREF

BAT3

BAT2

SS2

SS1

MCP73861
MCP73862

SS3

Advanced Single or Dual Cell, Fully Integrated Li-Ion /

Li-Polymer Charge Management Controllers

MCP73861/2

DS21893A-page 2

2004 Microchip Technology Inc.

Typical Application

Functional Block Diagram

STAT1

STAT2

SET

TIMER

PROG

THERM

THREF

BAT3

BAT

+
-

Single
Lithium-Ion
Cell

2, 3

MCP73861

4, 9, 13

10, 11

6.19 k

4.7µF

1.2A Lithium-Ion Battery Charger

4.7 µF

7.32 k

0.1

µF

+
-

Charge
Termination
Comparator

Voltage Control
Amplifier

VLO

COMPARATOR

UVLO

Temperature
Comparators

Bias and
Reference
Generator

UVLO

REF

(1.2V)

Power-On
Delay

REF

Oscillator

REG

/12

Constant Voltage/
Recharge Comp.

Precondition
Control

Charge_OK
Precon

Charge Current
Control Amplifier

REF

Precondition
Comp.

Charge Control,
Charge Timers,
And
Status Logic

Drv Stat 2

Drv Stat 1

Charge_OK

REG

/12

DD1

THERM

TIMER

STAT1

STAT2

BAT3

SS1

PROG

SET

THREF

BAT1

110k

10k

100k

50k

G=0.001

11k

600k

(

1.65M

)

148.42k

1.58k

DD2

BAT2

300.04k

10.3k

(

8.58k

)

Direction

Control

SS2

SS3

Values in ( )
reflect the
MCP73862
device

2004 Microchip Technology Inc.

DS21893A-page 3

MCP73861/2

1.0

ELECTRICAL
CHARACTERISTICS

Absolute Maximum Ratings

...............................................................................13.5V

BATN

, V

SET

, EN, STAT1, STAT2 w.r.t. V

.................................................................. -0.3 to (V

+0.3)V

PROG, THREF, THERM, TIMER w.r.t. V

..............-0.3 to 6V

Maximum Junction Temperature, T

............ Internally Limited

Storage temperature .....................................-65°C to +150°C

ESD protection on all pins:

Human Body Model (1.5 k

in series with 100 pF)

....

4 kV

Machine Model (200 pF, No series resistance) ...........300V

Notice: Stresses above those listed under "Maximum Rat-
ings" may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied. Expo-
sure to maximum rating conditions for extended periods may
affect device reliability.

DC CHARACTERISTICS

Electrical Specifications: Unless otherwise indicated, all limits apply for V

= [V

REG

(Typ) + 0.3V] to 12V,

= -40°C to 85°C. Typical values are at +25°C, V

= [V

REG

(typ.) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

Supply Input

Supply Voltage

4.5

MCP73861

8.7

MCP73862

Supply Current

0.17

µA

Disabled

0.53

Operating

UVLO Start Threshold

START

4.25

4.5

4.65

MCP73861

8.45

8.8

9.05

MCP73862

Low-to-High

UVLO Stop Threshold

STOP

4.20

4.4

4.55

MCP73861

8.40

8.7

8.95

MCP73862

High-to-Low

Voltage Regulation (Constant Voltage Mode)

Regulated Output Voltage

REG

4.079

4.1

4.121

MCP73861, V

SET

= V

4.179

4.2

4.221

MCP73861, V

SET

= V

8.159

8.2

8.241

MCP73862, V

SET

= V

8.358

8.4

8.442

MCP73862, V

SET

= V

= [V

REG

(Typ) + 1V], I

OUT

=10 mA

= -5°C to +55°C

Line Regulation

BAT

)| /

0.025

0.25

%/V

= [V

REG

(Typ)+1V] to 12V

OUT

= 10 mA

Load Regulation

BAT

0.01

0.25

OUT

= 10 mA to 150 mA

= [V

REG

(Typ)+1V]

Supply Ripple Attenuation

PSRR

OUT

= 10 mA, 10Hz to 1 kHz

OUT

= 10 mA, 10Hz to 10 kHz

OUT

= 10 mA, 10Hz to 1 MHz

Output Reverse-Leakage
Current

DISCHARGE

0.23

µA

< V

BAT

= V

REG

(Typ)

Current Regulation (Fast Charge Constant Current Mode)

Fast Charge Current
Regulation

REG

100

115

PROG = OPEN

1020

1200

1380

PROG = V

425

500

575

PROG = 1.6 k

= -5°C to +55°C

MCP73861/2

DS21893A-page 4

2004 Microchip Technology Inc.

Preconditioning Current Regulation (Trickle Charge Constant Current Mode)

Precondition Current
Regulation

PREG

PROG = OPEN

120

180

PROG = V

PROG = 1.6 k

=-5°C to +55°C

Precondition Threshold
Voltage

PTH

2.70

2.80

2.90

MCP73861, V

SET

= V

2.75

2.85

2.95

MCP73861, V

SET

= V

5.40

5.60

5.80

MCP73862, V

SET

= V

5.50

5.70

5.90

MCP73862, V

SET

= V

BAT

Low-to-High

Charge Termination

Charge Termination Current

TERM

8.5

PROG = OPEN

120

PROG = V

PROG = 1.6 k

=-5°C to +55°C

Automatic Recharge

Recharge Threshold
Voltage

RTH

REG

300mV

REG

200mV

REG

100mV

MCP73861

REG

600mV

REG

400mV

REG

200mV

MCP73862

BAT

High-to-Low

Thermistor Reference

Thermistor Reference
Output Voltage

THREF

2.475

2.55

2.625

= 25°C, V

= V

REG

(typ.) + 1V,

THREF

= 0 mA

Thermistor Reference
Source Current

THREF

200

µA

Thermistor Reference Line
Regulation

THREF

)|/

0.1

0.25

%/V

= [V

REG

(Typ) + 1V] to 12V

Thermistor Reference Load
Regulation

THREF

THREF|

0.01

0.10

THREF

= 0 mA to 0.20 mA

Thermistor Comparator

Upper Trip Threshold

1.18

1.25

1.32

Upper Trip Point Hysteresis

T1HYS

-50

Lower Trip Threshold

0.59

0.62

0.66

Lower Trip Point Hysteresis

T2HYS

Input Bias Current

BIAS

Status Indicator - STAT1, STAT2

Sink Current

SINK

Low Output Voltage

200

400

SINK

= 1 mA

Input Leakage Current

0.01

SINK

= 0 mA, V

STAT1,2

= 12V

Enable Input

Input High Voltage Level

1.4

Input Low Voltage Level

0.8

Input Leakage Current

0.01

ENABLE

= 12V

DC CHARACTERISTICS (Continued)

Electrical Specifications: Unless otherwise indicated, all limits apply for V

= [V

REG

(Typ) + 0.3V] to 12V,

= -40°C to 85°C. Typical values are at +25°C, V

= [V

REG

(typ.) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

2004 Microchip Technology Inc.

DS21893A-page 5

MCP73861/2

TEMPERATURE SPECIFICATIONS

Thermal Shutdown

Die Temperature

155

°C

Die Temperature Hysteresis

SDHYS

°C

DC CHARACTERISTICS (Continued)

Electrical Specifications: Unless otherwise indicated, all limits apply for V

= [V

REG

(Typ) + 0.3V] to 12V,

= -40°C to 85°C. Typical values are at +25°C, V

= [V

REG

(typ.) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

AC CHARACTERISTICS

Electrical Specifications: Unless otherwise indicated, all limits apply for V

= [V

REG

(typ.) + 0.3V] to 12V,

= -40°C to 85°C. Typical values are at +25°C, V

= [V

REG

(typ.) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

UVLO Start Delay

START

Low to High

Current Regulation

Transition Time Out of
Preconditioning

DELAY

BAT

< V

PTH

to V

BAT

> V

PTH

Current Rise Time Out of
Preconditioning

RISE

OUT

Rising to 90% of I

REG

Fast Charge Safety Timer
Period

FAST

1.1

1.5

1.9

Hours

TIMER

= 0.1 µF

Preconditioning Current Regulation

Preconditioning Charge
Safety Timer Period

PRECON

Minutes C

TIMER

= 0.1 µF

Charge Termination

Elapsed Time Termination
Period

TERM

2.2

3.8

Hours

TIMER

= 0.1 µF

Status Indicators

Status Output turn-off

OFF

200

µs

SINK

= 1 mA to 0 mA

Status Output turn-on

200

µs

SINK

= 0 mA to 1 mA

Electrical Specifications: Unless otherwise indicated, all limits apply for V

= [V

REG

(typ.) + 0.3V] to 12V.

Typical values are at +25°C, V

= [V

REG

(typ.) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

Temperature Ranges

Specified Temperature Range

-40

+85

°C

Operating Temperature Range

-40

+125

°C

Storage Temperature Range

-65

+150

°C

Thermal Package Resistances

Thermal Resistance, 16-L, 4mm x 4mm QFN

°C/W

4-Layer JC51-7 Standard
Board, Natural Convection

MCP73861/2

DS21893A-page 6

2004 Microchip Technology Inc.

2.0

TYPICAL PERFORMANCE CURVES

NOTE: Unless otherwise indicated, V

= [V

REG

(Typ) + 1V], I

OUT

= 10 mA and T

= +25°C, Constant Voltage mode.

FIGURE 2-1:

Battery Regulation Voltage

BAT

) vs. Charge Current (I

OUT

FIGURE 2-2:

Battery Regulation Voltage

BAT

) vs. Supply Voltage (V

FIGURE 2-3:

Battery Regulation Voltage

BAT

) vs. Supply Voltage (V

FIGURE 2-4:

Supply Current (I

) vs.

Charge Current (I

OUT

FIGURE 2-5:

Supply Current (I

) vs.

Supply Voltage (V

FIGURE 2-6:

Supply Current (I

) vs.

Supply Voltage (V

Note:

The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

4.193

4.195

4.197

4.199

4.201

4.203

4.205

4.207

100

1000

OUT

(mA)

BAT

(V)

MCP73861
V

SET

= V

= 5.2V

3.80

3.90

4.00

4.10

4.20

4.30

4.40

4.5

6.0

7.5

9.0

10.5

12.0

(V)

BAT

(V)

MCP73861
V

SET

= V

OUT

= 1000 mA

4.193

4.195

4.197

4.199

4.201

4.203

4.205

4.207

4.5

6.0

7.5

9.0

10.5

12.0

(V)

BAT

(V)

MCP73861
V

SET

= V

OUT

= 10 mA

0.40

0.50

0.60

0.70

0.80

0.90

1.00

100

1000

OUT

(mA)

(mA

)

MCP73861
V

SET

= V

= 5.2V

0.40

0.60

0.80

1.00

1.20

1.40

1.60

4.5

6.0

7.5

9.0

10.5

12.0

(V)

(mA

)

MCP73861
V

SET

= V

OUT

= 1000 mA

0.40

0.50

0.60

0.70

0.80

0.90

1.00

4.5

6.0

7.5

9.0

10.5

12.0

(V)

(mA

)

MCP73861
V

SET

= V

OUT

= 10 mA

2004 Microchip Technology Inc.

DS21893A-page 7

MCP73861/2

NOTE: Unless otherwise indicated, V

= [V

REG

(Typ) + 1V], I

OUT

= 10 mA and T

= +25°C, Constant Voltage mode.

FIGURE 2-7:

Output Leakage Current

DISCHARGE

) vs. Battery Voltage (V

BAT

FIGURE 2-8:

Thermistor Reference

Voltage (V

THREF

) vs. Supply Voltage (V

FIGURE 2-9:

Thermistor Reference

Voltage (V

THREF

) vs. Thermistor Bias Current

THREF

FIGURE 2-10:

Supply Current (I

) vs.

Ambient Temperature (T

FIGURE 2-11:

Battery Regulation Voltage

BAT

) vs. Ambient Temperature (T

FIGURE 2-12:

Thermistor Reference

Voltage (V

THREF

) vs. Ambient Temperature (T

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

2.0

2.4

2.8

3.2

3.6

4.0

4.4

BAT

(V)

DISCHARGE

(

MCP73861
V

SET

= V

+25°C

-40°C

+85°C

2.500

2.510

2.520

2.530

2.540

2.550

4.5

6.0

7.5

9.0

10.5

12.0

(V)

HREF

)

MCP73861
V

SET

= V

THREF

= 100 µA

2.500

2.505

2.510

2.515

2.520

100

125

150

175

200

THREF

(µA)

HREF

)

MCP73861
V

SET

= V

0.40

0.60

0.80

1.00

1.20

1.40

1.60

-40 -30 -20 -10 0 10 20 30 40 50 60 70 80

(°C)

(mA

)

MCP73861
V

SET

= V

OUT

= 10 mA

4.193

4.195

4.197

4.199

4.201

4.203

4.205

4.207

-40

-30

-20

-10

(°C)

BAT

)

MCP73861
V

SET

= V

OUT

= 10 mA

2.500

2.505

2.510

2.515

2.520

-40

-30

-20

-10

(°C)

HREF

(V)

MCP73861
V

SET

= V

THREF

= 100

MCP73861/2

DS21893A-page 8

2004 Microchip Technology Inc.

NOTE: Unless otherwise indicated, V

= [V

REG

(Typ) + 1V], I

OUT

= 10 mA and T

= +25°C, Constant Voltage mode.

FIGURE 2-13:

Battery Regulation Voltage

BAT

) vs. Charge Current (I

OUT

FIGURE 2-14:

Battery Regulation Voltage

BAT

) vs. Supply Voltage (V

FIGURE 2-15:

Battery Regulation Voltage

BAT

) vs. Supply Voltage (V

FIGURE 2-16:

Supply Current (I

) vs.

Charge Current (I

OUT

FIGURE 2-17:

Supply Current (I

) vs.

Supply Voltage (V

FIGURE 2-18:

Supply Current (I

) vs.

Supply Voltage (V

8.393

8.395

8.397

8.399

8.401

8.403

8.405

8.407

100

1000

OUT

(mA)

BAT

)

MCP73862
V

SET

= V

= 9.4V

8.393

8.395

8.397

8.399

8.401

8.403

8.405

8.407

10.0

10.4

10.8

11.2

11.6

12.0

(V)

BAT

)

MCP73862
V

SET

= V

OUT

= 1000 mA

8.398

8.400

8.402

8.404

8.406

8.408

8.410

8.412

9.0

9.5

10.0

10.5

11.0

11.5

12.0

(V)

BAT

)

MCP73862
V

SET

= V

OUT

= 10 mA

0.40

0.50

0.60

0.70

0.80

0.90

1.00

100

1000

OUT

(mA)

)

MCP73862
V

SET

= V

= 9.4V

0.40

0.60

0.80

1.00

1.20

1.40

1.60

9.0

9.5

10.0

10.5

11.0

11.5

12.0

(V)

)

MCP73862
V

SET

= V

OUT

= 1000 mA

0.40

0.50

0.60

0.70

0.80

0.90

1.00

9.0

9.5

10.0

10.5

11.0

11.5

12.0

(V)

)

MCP73862
V

SET

= V

OUT

= 10 mA

2004 Microchip Technology Inc.

DS21893A-page 9

MCP73861/2

NOTE: Unless otherwise indicated, V

= [V

REG

(Typ) + 1V], I

OUT

= 10 mA and T

= +25°C, Constant Voltage mode.

FIGURE 2-19:

Output Leakage Current

DISCHARGE

) vs. Battery Voltage (V

BAT

FIGURE 2-20:

Thermistor Reference

Voltage (V

THREF

) vs. Supply Voltage (V

FIGURE 2-21:

Thermistor Reference

Voltage (V

THREF

) vs. Thermistor Bias Current

THREF

FIGURE 2-22:

Supply Current (I

) vs.

Ambient Temperature (T

FIGURE 2-23:

Battery Regulation Voltage

BAT

) vs. Ambient Temperature (T

FIGURE 2-24:

Thermistor Reference

Voltage (V

THREF

) vs. Ambient Temperature (T

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

4.0

4.8

5.6

6.4

7.2

8.0

8.8

BAT

(V)

DISCHARGE

)

MCP73862
V

SET

= V

+25°C

-40°C

+85°C

2.530

2.540

2.550

2.560

2.570

9.0

9.5

10.0

10.5

11.0

11.5

12.0

(V)

HREF

)

MCP73862
V

SET

= V

THREF

= 100

2.540

2.542

2.544

2.546

2.548

2.550

100

125

150

175

200

THREF

(µA)

HREF

)

MCP73862
V

SET

= V

0.40

0.60

0.80

1.00

1.20

1.40

1.60

-40

-30

-20

-10

(°C)

)

MCP73862
V

SET

= V

OUT

= 10 mA

8.386

8.390

8.394

8.398

8.402

8.406

8.410

8.414

-40

-30

-20

-10

(°C)

BAT

)

MCP73862
V

SET

= V

OUT

= 10 mA

2.530

2.534

2.538

2.542

2.546

2.550

-40

-30

-20

-10

(°C)

HREF

)

MCP73862
V

SET

= V

THREF

= 100

MCP73861/2

DS21893A-page 10

2004 Microchip Technology Inc.

NOTE: Unless otherwise indicated, V

= [V

REG

(Typ) + 1V], I

OUT

= 10 mA and T

= +25°C, Constant Voltage mode.

FIGURE 2-25:

Line Transient Response.

FIGURE 2-26:

Load Transient Response.

FIGURE 2-27:

Power Supply Ripple

Rejection.

FIGURE 2-28:

Line Transient Response.

FIGURE 2-29:

Load Transient Response.

FIGURE 2-30:

Power Supply Ripple

Rejection.

-80

-70

-60

-50

-40

-30

-20

-10

0.01

0.1

100

1000

Frequency (kHz)

ttenuation (dB

)

MCP73861
V

= 5.2V

= 100 mVp-p

OUT

= 10 mA

OUT

= 10

F, Ceramic

-80

-70

-60

-50

-40

-30

-20

-10

0.01

0.1

100

1000

Frequency (kHz)

ttenuation (dB

)

MCP73861
V

= 5.2V

= 100 mVp-p

OUT

= 100 mA

OUT

= 10

F, X7R, Ceramic

MCP73861/2

DS21893A-page 12

2004 Microchip Technology Inc.

3.0

PIN DESCRIPTION

The descriptions of the pins are listed in Table 3-1.

TABLE 3-1:

PIN FUNCTION TABLES

3.1

Voltage Regulation Selection
(V

SET

)

MCP73861: Connect to V

for 4.1V regulation

voltage, connect to V

for 4.2V regulation voltage.

MCP73862: Connect to V

for 8.2V regulation

voltage, connect to V

for 8.4V regulation voltage.

3.2

Battery Management Input Supply
(V

DD2

, V

DD1

)

A supply voltage of [V

REG

(Typ) + 0.3V] to 12V is

recommended. Bypass to V

with a minimum of

4.7 µF.

3.3

Battery Management 0V Reference
(V

SS1

, V

SS2

, V

SS3

)

Connect to negative terminal of battery and input
supply.

3.4

Current Regulation Set (PROG)

Preconditioning, fast and termination currents are
scaled by placing a resistor from PROG to V

3.5

Cell Temperature Sensor Bias
(THREF)

Voltage reference to bias external thermistor for contin-
uous cell-temperature monitoring and pre-qualification.

3.6

Cell Temperature Sensor Input
(THERM)

Input for an external thermistor for continuous cell-
temperature monitoring and pre-qualification. Connect
to THREF/3 to disable temperature sensing.

3.7

Timer Set

All safety timers are scaled by C

TIMER

/0.1 µF.

3.8

Battery Charge Control Output
(V

BAT1

, V

BAT2

)

Connect to positive terminal of battery. Drain terminal
of internal P-channel MOSFET pass transistor. Bypass
to V

with a minimum of 4.7

F to ensure loop stability

when the battery is disconnected.

3.9

Battery Voltage Sense (V

BAT3

)

Voltage sense input. Connect to positive terminal of
battery. A precision internal resistor divider regulates
the final voltage on this pin to V

REG

3.10

Logic Enable (EN)

Input to force charge termination, initiate charge, clear
faults or disable automatic recharge.

3.11

Fault Status Output (STAT2)

Current-limited, open-drain drive for direct connection
to a LED for charge status indication. Alternatively, a
pull-up resistor can be applied for interfacing to a host
microcontroller.

3.12

Charge Status Output (STAT1)

Current limited, open-drain drive for direct connection
to an LED for charge status indication. Alternatively, a
pull-up resistor can be applied for interfacing to a host
microcontroller.

Pin No.

Symbol

Function

SET

Voltage Regulation Selection

DD1

Battery Management Input Supply

DD2

Battery Management Input Supply

SS1

Battery Management 0V Reference

PROG

Current Regulation Set

THREF

Cell Temperature Sensor Bias

THERM

Cell Temperature Sensor Input

TIMER

Timer Set

SS3

Battery Management 0V Reference

BAT1

Battery Charge Control Output

BAT2

Battery Charge Control Output

BAT3

Battery Voltage Sense

SS2

Battery Management 0V Reference

Logic Enable

STAT2

Fault Status Output

STAT1

Charge Status Output

2004 Microchip Technology Inc.

DS21893A-page 13

MCP73861/2

4.0

DEVICE OVERVIEW

The MCP7386X family of devices are highly advanced
linear charge management controllers. Refer to the
functional block diagram. Figure 4-2 depicts the opera-
tional flow algorithm from charge initiation to
completion and automatic recharge.

4.1

Charge Qualification and
Preconditioning

Upon insertion of a battery or application of an external
supply, the MCP7386X family of devices automatically
performs a series of safety checks to qualify the
charge. The input source voltage must be above the
undervoltage lockout threshold, the enable pin must be
above the logic-high level and the cell temperature
must be within the upper and lower thresholds. The
qualification parameters are continuously monitored.
Deviation beyond the limits automatically suspends or
terminates the charge cycle. The input voltage must
deviate below the undervoltage lockout stop threshold
for at least one clock period to be considered valid.

After the qualification parameters have been met, the
MCP7386X initiates a charge cycle. The charge status
output is pulled low throughout the charge cycle (see
Table 5-1 for charge status outputs). If the battery volt-
age is below the preconditioning threshold (V

PTH

) the

MCP7386X preconditions the battery with a trickle-
charge. The preconditioning current is set to approxi-
mately 10% of the fast charge regulation current. The
preconditioning trickle-charge safely replenishes
deeply depleted cells and minimizes heat dissipation
during the initial charge cycle. If the battery voltage has
not exceeded the preconditioning threshold before the
preconditioning timer has expired, a fault is indicated
and the charge cycle is terminated.

4.2

Constant Current Regulation -
Fast Charge

Preconditioning ends, and fast charging begins, when
the battery voltage exceeds the preconditioning thresh-
old. Fast charge regulates to a constant current (I

REG

which is set via an external resistor connected to the
PROG pin. Fast charge continues until the battery volt-
age reaches the regulation voltage (V

REG

), or the fast

charge timer expires; in which case, a fault is indicated
and the charge cycle is terminated.

4.3

Constant Voltage Regulation

When the battery voltage reaches the regulation volt-
age (V

REG

) constant voltage regulation begins. The

MCP7386X monitors the battery voltage at the V

BAT

pin. This input is tied directly to the positive terminal of
the battery. The MCP7386X selects the voltage regula-
tion value based on the state of the V

SET

. With V

SET

tied to V

, the MCP73861 and MCP73862 regulate to

4.1V and 8.2V, respectively. With V

SET

tied to V

, the

MCP73861 and MCP73862 regulate to 4.2V and 8.4V,
respectively.

4.4

Charge Cycle Completion and
Automatic Re-Charge

The MCP7386X monitors the charging current during
the constant voltage regulation phase. The charge cycle
is considered complete when the charge current has
diminished below approximately 8% of the regulation
current (I

REG

) or the elapsed timer has expired.

The MCP7386X automatically begins a new charge
cycle when the battery voltage falls below the recharge
threshold (V

RTH

) assuming all the qualification

parameters are met.

4.5

Thermal Regulation

The MCP7386X family limits the charge current based
on the die temperature. Thermal regulation optimizes
the charge cycle time while maintaining device reliabil-
ity. If thermal regulation is entered, the timer is automat-
ically slowed down to ensure that a charge cycle will
not terminate prematurely. Figure 4-1 depicts the
thermal regulation profile.

FIGURE 4-1:

Typical Maximum Charge

Current vs. Die Temperature.

4.6

Thermal Shutdown

The MCP7386X family suspends charge if the die tem-
perature exceeds 155°C. Charging will resume when
the die temperature has cooled by approximately 10°C.
The thermal shutdown is a secondary safety feature in
the event that there is a failure within the thermal
regulation circuitry.

200

400

600

800

1000

1200

1400

100

120

140

Die Temperature (° C)

axi

m Ch

arg

rren

t
(mA)

Minimum

Maximum

MCP73861

DS2

1893A-page

04 M

i
c

r
ochip

hnology

I
n

FIGURE 4-2:

Operational Flow Algorithm.

Preconditioning Phase
Charge Current = I

PREG

Reset Safety Timer

Yes

Initialize

Yes

BAT

> V

PTH

STAT1 = On

BAT

> V

PTH

Yes

< V

UVLO

Safety Timer

Yes

Temperature OK

No
STAT1 = Off

Safety Timer Suspended
Charge Current = 0

Fault
Charge Current = 0
Reset Safety Timer

or EN Low

No
STAT1 = Off

Constant Current

Charge Current = I

REG

Reset Safety Timer

BAT

= V

REG

Safety Timer

Yes

Temperature OK

Constant Voltage Phase

Output Voltage = V

REG

OUT

< I

TERM

Yes

BAT

< V

RTH

Elapsed Timer

Charge Termination
Charge Current = 0
Reset Safety Timer

No
STAT1 = Flashing

Yes

Temperature OK

STAT1 = Flashing

Safety Timer Suspended

Charge Current = 0

Yes

< V

UVLO

or EN Low

Yes

Temperature OK

No
STAT1 = Off

Charge Current = 0

Yes

No
STAT1 = Off

> V

UVLO

Phase

Expired

No
STAT1 = Off

Safety Timer Suspended
Charge Current = 0

EN High

Expired

Note 1:

The qualification parameters are continuously
monitored throughout the charge cycle. Refer to
Section 4.1, "Charge Qualification and
Preconditioning", for details.

Note 2:

The charge current will be scaled based on the
die temperature during thermal regulation. Refer
to

Section 4.5, "Thermal Regulation", for

details.

NOTE 1

STAT2 = On

STAT2 = Flashing

STAT2 = Off

STAT2 = Flashing

STAT2 = Off

NOTE 2

STAT2 = Flashing

STAT2 = Off

2004 Microchip Technology Inc.

DS21893A-page 15

MCP73861/2

5.0

DETAILED DESCRIPTION

5.1

Analog Circuitry

5.1.1

BATTERY MANAGEMENT INPUT
SUPPLY (V

DD1

, V

DD2

)

The V

input is the input supply to the MCP7386X.

The MCP7386X automatically enters a Power-down
mode if the voltage on the V

input falls below the

undervoltage lockout voltage (V

STOP

). This feature

prevents draining the battery pack when the V

supply is not present.

5.1.2

PROG INPUT

Fast charge current regulation can be scaled by placing
a programming resistor (R

PROG

) from the PROG input

to V

. Connecting the PROG input to V

allows for a

maximum fast charge current of 1.2A, typically. The
minimum fast charge current is 100 mA, set by letting
the PROG input float. The following formula calculates
the value for R

PROG

The preconditioning trickle-charge current and the
charge termination current are scaled to approximately
10% and 8% of I

REG

, respectively.

5.1.3

CELL TEMPERATURE SENSOR
BIAS (THREF)

A 2.5V voltage reference is provided to bias an external
thermistor for continuous cell temperature monitoring
and pre-qualification. A ratio metric window compari-
son is performed at threshold levels of V

THREF

/2 and

THREF

/4.

5.1.4

CELL TEMPERATURE SENSOR
INPUT (THERM)

The MCP73861 and MCP73862 continuously monitor
temperature by comparing the voltage between the
THERM input and V

with the upper and lower

temperature thresholds. A negative or positive temper-
ature coefficient, NTC or PTC, thermistor and an exter-
nal voltage-divider typically develop this voltage. The
temperature sensing circuit has its own reference to
which it performs a ratio metric comparison. Therefore,
it is immune to fluctuations in the supply input (V

The temperature-sensing circuit is removed from the
system when V

is not applied, eliminating additional

discharge of the battery pack.

Figure 6-1 depicts a typical application circuit with
connection of the THERM input. The resistor values of
R

and R

are calculated with the following

equations.

For NTC thermistors:

For PTC thermistors:

Applying a voltage equal to V

THREF

/3 to the THERM

input disables temperature monitoring.

5.1.5

TIMER SET INPUT (TIMER)

The TIMER input programs the period of the safety
timers by placing a timing capacitor (C

TIMER

), between

the TIMER input pin and V

. Three safety timers are

programmed via the timing capacitor.

The preconditioning safety timer period:

The fast charge safety timer period:

And, the elapsed time termination period:

The preconditioning timer starts after qualification and
resets when the charge cycle transitions to the con-
stant current, fast charge phase. The fast charge timer
and the elapsed timer start after the MCP7386X transi-
tions from preconditioning. The fast charge timer resets
when the charge cycle transitions to the constant volt-
age phase. The elapsed timer will expire and terminate
the charge if the sensed current does not diminish
below the termination threshold.

During thermal regulation, the timer is slowed down
proportional to the charge current.

PROG

13.2

RE G

REG

1.2

----------------------------------------

where:

REG

is the desired fast charge current in

amps

PROG

is in k

COLD

HOT

COLD

HOT

----------------------------------------------

COLD

HOT

COLD

HOT

----------------------------------------------

COLD

HOT

COLD

----------------------------------------------

COLD

HOT

COLD

----------------------------------------------

Where:

COLD

and R

HOT

are the thermistor

resistance values at the temperature window
of interest.

PREC ON

TIMER

0.1

-------------------

1.0Hour

F AST

TIMER

0.1

-------------------

1.5Hours

TERM

TIME R

0.1

-------------------

3.0Hours

MCP73861/2

DS21893A-page 16

2004 Microchip Technology Inc.

5.1.6

BATTERY VOLTAGE SENSE (V

BAT3

)

The MCP7386X monitors the battery voltage at the
V

BAT3

pin. This input is tied directly to the positive

terminal of the battery pack.

5.1.7

BATTERY CHARGE CONTROL
OUTPUT (V

BAT1

, V

BAT2

)

The battery charge control output is the drain terminal
of an internal P-channel MOSFET. The MCP7386X
provides constant current, constant voltage regulation
to the battery pack by controlling this MOSFET in the
linear region. The battery charge control output should
be connected to the positive terminal of the battery
pack.

5.2

Digital Circuitry

5.2.1

CHARGE STATUS OUTPUTS
(STAT1,STAT2)

Two status outputs provide information on the state of
charge. The current-limited, open-drain outputs can be
used to illuminate external LEDs. Optionally, a pull-up
resistor can be used on the output for communication
with a host microcontroller. Table 5-1 summarizes the
state of the status outputs during a charge cycle.

The flashing rate (1 Hz) is based off a timer capacitor
(C

TIMER

) of 0.1 µF. The rate will vary based on the

value of the timer capacitor.

During a FAULT condition, the STAT1 status output will
be off and the STAT2 status output will be on. To
recover from a FAULT condition, the input voltage must
be removed and then reapplied, or the enable input
(EN) must be de-asserted to a logic-low, then asserted
to a logic-high.

When the voltage on the THERM input is outside the
preset window, the charge cycle will not start, or will be
suspended. The charge cycle is not terminated and
recovery is automatic. The charge cycle will resume or
start once the THERM input is valid and all other qual-
ification parameters are met. During an invalid THERM
condition, the STAT1 status output will be off and the
STAT2 status output will flash.

5.2.2

SET

INPUT

The V

SET

input selects the regulated output voltage of

the MCP7386X. With V

SET

tied to V

, the MCP73861

and MCP73862 regulate to 4.1V and 8.2V, respec-
tively. With V

SET

tied to V

, the MCP73861 and

MCP73862 regulate to 4.2V and 8.4V, respectively.

5.2.3

LOGIC ENABLE (EN)

The logic enable input pin (EN) can be used to
terminate a charge at any time during the charge cycle,
as well as to initiate a charge cycle or initiate a recharge
cycle.

Applying a logic-high input signal to the EN pin, or tying
it to the input source, enables the device. Applying a
logic-low input signal disables the device and termi-
nates a charge cycle. When disabled, the device's
supply current is reduced to 0.17 µA, typically.

TABLE 5-1:

STATUS OUTPUTS

CHARGE

CYCLE STAT1

STAT1

STAT2

Qualification

Off

Preconditioning

Off

Constant
Current Fast
Charge

Off

Constant
Voltage

Off

Charge
Complete

Flashing (1Hz,

50% duty cycle)

Off

Fault

Off

THERM Invalid

Off

Flashing (1Hz,

50% duty cycle)

Disabled - Sleep
mode

Off

Input Voltage
Disconnected

Off

Note: Off state: open-drain is high-impedance;

On state: open-drain can sink current,

typically 7 mA;

Flashing: toggles between off state and

on state.

2004 Microchip Technology Inc.

DS21893A-page 17

MCP73861/2

6.0

APPLICATIONS

The MCP7386X are designed to operate in conjunc-
tion with a host microcontroller or in stand-alone appli-
cations. The MCP7386X provides the preferred
charge algorithm for Lithium-Ion and Lithium-Polymer

cells, constant current followed by constant voltage.
Figure 6-1 depicts a typical stand-alone application
circuit and Figures 6-2 and 6-3 depict the
accompanying charge profile.

FIGURE 6-1:

Typical Application Circuit.

FIGURE 6-2:

Typical Charge Profile.

STAT1

SET

SS3

DD1

DD2

SS2

TIMER

PROG

HREF

BAT3

BAT2

BAT1

TIMER

Unregulated
Wall Cube

PROG

Single
Lithium-Ion
Cell

SS1

MCP73861

Regulation
Voltage
(V

REG

)

Regulation
Current
(I

REG

)

Transition
Threshold
(V

PTH

)

Precondition
Current
(I

PREG

)

Precondition
Safety Timer

Fast Charge
Safety Timer

Elapsed Time
Termination Timer

Charge
Voltage

Preconditioning
Mode

Constant Current
Mode

Constant Voltage
Mode

Charge
Current

Termination
Current
(I

TERM

)

MCP73861/2

DS21893A-page 18

2004 Microchip Technology Inc.

FIGURE 6-3:

Typical Charge Profile in Thermal Regulation.

6.1

Application Circuit Design

Due to the low efficiency of linear charging, the most
important factors are thermal design and cost, which
are a direct function of the input voltage, output current
and thermal impedance between the battery charger
and the ambient cooling air. The worst-case situation is
when the device has transitioned from the precondi-
tioning phase to the constant current phase. In this
situation, the battery charger has to dissipate the
maximum power. A trade-off must be made between
the charge current, cost and thermal requirements of
the charger.

6.1.1

COMPONENT SELECTION

Selection of the external components in Figure 6-1 is
crucial to the integrity and reliability of the charging
system. The following discussion is intended as a guide
for the component selection process.

6.1.1.1

Current Programming Resistor
(R

PROG

)

The preferred fast charge current for Lithium-Ion cells
is at the 1C rate, with an absolute maximum current at
the 2C rate. For example, a 500 mAh battery pack has
a preferred fast charge current of 500 mA. Charging at
this rate provides the shortest charge cycle times with-
out degradation to the battery pack performance or life.

1200 mA is the maximum charge current obtainable
from the MCP7386X. For this situation, the PROG input
should be connected directly to V

6.1.1.2

Thermal Considerations

The worst-case power dissipation in the battery
charger occurs when the input voltage is at the
maximum and the device has transitioned from the
preconditioning phase to the constant current phase. In
this case, the power dissipation is:

Regulation
Voltage
(V

REG

)

Regulation
Current
(I

REG

)

Transition
Threshold
(V

PTH

)

Precondition
Safety Timer

Fast Charge
Safety Timer

Elapsed Time
Termination Timer

Charge
Voltage

Preconditioning
Mode

Constant Current
Mode

Constant Voltage
Mode

Charge
Current

Precondition
Current
(I

PREG

)

Termination
Current
(I

TERM

)

Powe rDissipation

DDMAX

PTHMIN

(

)

REGMAX

Where:

DDMAX

is the maximum input voltage

REGMAX

is the maximum fast charge current

PTHMIN

is the minimum transition threshold

voltage.

2004 Microchip Technology Inc.

DS21893A-page 19

MCP73861/2

Power dissipation with a 5V, ±10% input voltage source
is:

With the battery charger mounted on a 1 in

pad of

1 oz. copper, the junction temperature rise is 60°C,
approximately. This would allow for a maximum operat-
ing ambient temperature of 50°C before thermal
regulation is entered.

6.1.1.3

External Capacitors

The MCP7386X is stable with or without a battery load.
In order to maintain good AC stability in the Constant
Voltage mode, a minimum capacitance of 4.7 µF is
recommended to bypass the V

BAT

pin to V

. This

capacitance provides compensation when there is no
battery load. In addition, the battery and interconnec-
tions appear inductive at high frequencies. These
elements are in the control feedback loop during
constant voltage mode. Therefore, the bypass capaci-
tance may be necessary to compensate for the
inductive nature of the battery pack.

Virtually any good quality output filter capacitor can be
used, independent of the capacitor's minimum Effec-
tive Series Resistance (ESR) value. The actual value of
the capacitor and its associated ESR depends on the
output load current. A 4.7 µF ceramic, tantalum or alu-
minum electrolytic capacitor at the output is usually
sufficient to ensure stability for up to a 1A output
current.

6.1.1.4

Reverse-Blocking Protection

The MCP7386X provides protection from a faulted or
shorted input, or from a reversed-polarity input source.
Without the protection, a faulted or shorted input would
discharge the battery pack through the body diode of
the internal pass transistor.

6.1.1.5

Enable Interface

In the stand-alone configuration, the enable pin is gen-
erally tied to the input voltage. The MCP7386X auto-
matically enters a low-power mode when voltage on
the V

input falls below the undervoltage lockout

voltage (V

STOP

) reducing the battery drain current to

0.23 µA, typically.

6.1.1.6

Charge Status Interface

Two status outputs provide information on the state of
charge. The current-limited, open-drain outputs can be
used to illuminate external LEDs. Refer to Table 5-1 for
a summary of the state of the status outputs during a
charge cycle.

6.2

PCB Layout Issues

For optimum voltage regulation, place the battery pack
as close as possible to the device's V

BAT

and V

pins.

It is recommended to minimize voltage drops along the
high current carrying PCB traces.

If the PCB layout is used as a heatsink, adding many
vias in the heatsink pad can help conduct more heat to
the back-plane of the PCB, thus reducing the maximum
junction temperature.

Po w erD issipa tio n

5.5V

2.7V

(

)

575 mA

1.61 W

2004 Microchip Technology Inc.

DS21893A-page 21

MCP73861/2

16-Lead Plastic Quad Flat No Lead Package (ML) 4x4x0.9 mm Body (QFN) Saw Singulated

EXPOSED

METAL

PAD

OPTIONAL
INDEX
AREA

Contact Width

*Controlling Parameter

Drawing No. C04-127

Notes:

JEDEC equivalent: MO-220

.010

.012

.014

0.25

0.30

0.35

Pitch

Number of Pins

Overall Width

Standoff

Overall Length

Overall Height

MAX

Units

Dimension Limits

.000

INCHES

.026 BSC

MIN

NOM

MAX

.002

0.00

4.00

MILLIMETERS*

.039

MIN

0.65 BSC

NOM

0.05

1.00

0.90

.035

.001

0.02

Contact Length

.012

.016

.020

0.30

0.40

0.50

Exposed Pad Width

Exposed Pad Length

.100

.106

.110

2.55

2.70

2.80

.031

0.80

3.85

4.15

.163

.157

.152

.157

4.00

.163

3.85

4.15

.100

.106

2.70

.110

2.55

2.80

Revised 04-24-05

Contact Thickness

.008 REF

0.20 REF

TOP VIEW

BOTTOM VIEW

2004 Microchip Technology Inc.

DS21893A-page 23

MCP73861/2

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office

Sales and Support

Device

MCP73861:

Single-cell charge controller with temperature
monitor

MCP73861T:

Single-cell charge controller with temperature
monitor, Tape and Reel

MCP73862:

Dual series cells charge controller with
temperature monitor

MCP73862T:

Dual series cells charge controller with
temperature monitor, Tape and Reel

Temperature Range

= -40

C to +85

C (Industrial)

Package

= Plastic Quad Flat No Lead, 4x4 mm Body (QFN),

16-lead

Lead Finish

= Matte Tin (Pure Sn)

PART NO.

Package

Temperature

Range

Device

Examples:

MCP73861T-I/MLG: Tape and Reel,

Single Cell Controller

MCP73861-I/MLG: Single Cell Controller

MCP73862T-I/MLG: Tape and Reel,

Dual Series Controller

MCP73862-I/MLG: Dual Series Controller

Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and
recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:

Your local Microchip sales office

The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277

The Microchip Worldwide Site (www.microchip.com)

Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.

Customer Notification System
Register on our web site (www.microchip.com/cn) to receive the most current information on our products.

2004 Microchip Technology Inc.

DS21893A-page 25

Information contained in this publication regarding device
applications and the like is intended through suggestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect
to the accuracy or use of such information, or infringement of
patents or other intellectual property rights arising from such
use or otherwise. Use of Microchip's products as critical
components in life support systems is not authorized except
with express written approval by Microchip. No licenses are
conveyed, implicitly or otherwise, under any intellectual
property rights.

Trademarks

The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, K

, micro

, MPLAB, PIC, PICmicro,

PICSTART, PRO MATE, PowerSmart, rfPIC, and
SmartShunt are registered trademarks of Microchip
Technology Incorporated in the U.S.A. and other countries.

AmpLab, FilterLab, MXDEV, MXLAB, PICMASTER, SEEVAL,
SmartSensor and The Embedded Control Solutions Company
are registered trademarks of Microchip Technology
Incorporated in the U.S.A.

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Programming, ICSP, ICEPIC, Migratable Memory, MPASM,
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SQTP is a service mark of Microchip Technology Incorporated
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All other trademarks mentioned herein are property of their
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Microchip products meet the specification contained in their particular Microchip Data Sheet.

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intended manner and under normal conditions.

There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

Microchip is willing to work with the customer who is concerned about the integrity of their code.

Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as "unbreakable."

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

Microchip received ISO/TS-16949:2002 quality system certification for
its worldwide headquarters, design and wafer fabrication facilities in
Chandler and Tempe, Arizona and Mountain View, California in
October 2003. The Company's quality system processes and
procedures are for its PICmicro

8-bit MCUs, K

code hopping

devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip's quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.

DS21893A-page 26

2004 Microchip Technology Inc.

AMERICAS

Corporate Office

2355 West Chandler Blvd.
Chandler, AZ 85224-6199
Tel: 480-792-7200
Fax: 480-792-7277
Technical Support: 480-792-7627
Web Address: www.microchip.com

Atlanta

3780 Mansell Road, Suite 130
Alpharetta, GA 30022
Tel: 770-640-0034
Fax: 770-640-0307

Boston

2 Lan Drive, Suite 120
Westford, MA 01886
Tel: 978-692-3848
Fax: 978-692-3821

Chicago

333 Pierce Road, Suite 180
Itasca, IL 60143
Tel: 630-285-0071
Fax: 630-285-0075

Dallas

4570 Westgrove Drive, Suite 160
Addison, TX 75001
Tel: 972-818-7423
Fax: 972-818-2924

Detroit

Tri-Atria Office Building
32255 Northwestern Highway, Suite 190
Farmington Hills, MI 48334
Tel: 248-538-2250
Fax: 248-538-2260

Kokomo

2767 S. Albright Road
Kokomo, IN 46902
Tel: 765-864-8360
Fax: 765-864-8387

Los Angeles

18201 Von Karman, Suite 1090
Irvine, CA 92612
Tel: 949-263-1888
Fax: 949-263-1338

San Jose

1300 Terra Bella Avenue
Mountain View, CA 94043
Tel: 650-215-1444
Fax: 650-961-0286

Toronto

6285 Northam Drive, Suite 108
Mississauga, Ontario L4V 1X5, Canada
Tel: 905-673-0699
Fax: 905-673-6509

ASIA/PACIFIC

Australia

Suite 22, 41 Rawson Street
Epping 2121, NSW
Australia
Tel: 61-2-9868-6733
Fax: 61-2-9868-6755

China - Beijing

Unit 706B
Wan Tai Bei Hai Bldg.
No. 6 Chaoyangmen Bei Str.
Beijing, 100027, China
Tel: 86-10-85282100
Fax: 86-10-85282104

China - Chengdu

Rm. 2401-2402, 24th Floor,
Ming Xing Financial Tower
No. 88 TIDU Street
Chengdu 610016, China
Tel: 86-28-86766200
Fax: 86-28-86766599

China - Fuzhou

Unit 28F, World Trade Plaza
No. 71 Wusi Road
Fuzhou 350001, China
Tel: 86-591-7503506
Fax: 86-591-7503521

China - Hong Kong SAR

Unit 901-6, Tower 2, Metroplaza
223 Hing Fong Road
Kwai Fong, N.T., Hong Kong
Tel: 852-2401-1200
Fax: 852-2401-3431

China - Shanghai

Room 701, Bldg. B
Far East International Plaza
No. 317 Xian Xia Road
Shanghai, 200051
Tel: 86-21-6275-5700
Fax: 86-21-6275-5060

China - Shenzhen

Rm. 1812, 18/F, Building A, United Plaza
No. 5022 Binhe Road, Futian District
Shenzhen 518033, China
Tel: 86-755-82901380
Fax: 86-755-8295-1393

China - Shunde

Room 401, Hongjian Building, No. 2
Fengxiangnan Road, Ronggui Town, Shunde
District, Foshan City, Guangdong 528303, China
Tel: 86-757-28395507 Fax: 86-757-28395571

China - Qingdao

Rm. B505A, Fullhope Plaza,
No. 12 Hong Kong Central Rd.
Qingdao 266071, China
Tel: 86-532-5027355 Fax: 86-532-5027205

India

Divyasree Chambers
1 Floor, Wing A (A3/A4)
No. 11, O'Shaugnessey Road
Bangalore, 560 025, India
Tel: 91-80-22290061 Fax: 91-80-22290062

Japan

Benex S-1 6F
3-18-20, Shinyokohama
Kohoku-Ku, Yokohama-shi
Kanagawa, 222-0033, Japan
Tel: 81-45-471- 6166 Fax: 81-45-471-6122

Korea

168-1, Youngbo Bldg. 3 Floor
Samsung-Dong, Kangnam-Ku
Seoul, Korea 135-882
Tel: 82-2-554-7200 Fax: 82-2-558-5932 or
82-2-558-5934

Singapore

200 Middle Road
#07-02 Prime Centre
Singapore, 188980
Tel: 65-6334-8870 Fax: 65-6334-8850

Taiwan

Kaohsiung Branch
30F - 1 No. 8
Min Chuan 2nd Road
Kaohsiung 806, Taiwan
Tel: 886-7-536-4818
Fax: 886-7-536-4803

Taiwan

Taiwan Branch
11F-3, No. 207
Tung Hua North Road
Taipei, 105, Taiwan
Tel: 886-2-2717-7175 Fax: 886-2-2545-0139

EUROPE

Austria

Durisolstrasse 2
A-4600 Wels
Austria
Tel: 43-7242-2244-399
Fax: 43-7242-2244-393

Denmark

Regus Business Centre
Lautrup hoj 1-3
Ballerup DK-2750 Denmark
Tel: 45-4420-9895 Fax: 45-4420-9910

France

Parc d'Activite du Moulin de Massy
43 Rue du Saule Trapu
Batiment A - ler Etage
91300 Massy, France
Tel: 33-1-69-53-63-20
Fax: 33-1-69-30-90-79

Germany

Steinheilstrasse 10
D-85737 Ismaning, Germany
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44

Italy

Via Quasimodo, 12
20025 Legnano (MI)
Milan, Italy
Tel: 39-0331-742611
Fax: 39-0331-466781

Netherlands

Waegenburghtplein 4
NL-5152 JR, Drunen, Netherlands
Tel: 31-416-690399
Fax: 31-416-690340

United Kingdom

505 Eskdale Road
Winnersh Triangle
Wokingham
Berkshire, England RG41 5TU
Tel: 44-118-921-5869
Fax: 44-118-921-5820

05/28/04

ORLDWIDE

ALES

AND

ERVICE

Part Number MCP7386x

Document Outline