MCP73863-I/ML Microchip Technology, MCP73863-I/ML Datasheet - Page 13

• Manufacturer Part Number: MCP73863-I/ML
• Description: IC,Battery Management,LLCC,16PIN,PLASTIC
• Manufacturer: Microchip Technology

Specifications of MCP73863-I/ML

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.5 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Output Voltage: 4.1 V, 4.2 V
• Output Current: 1200 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

3.0
The descriptions of the pins are listed in
TABLE 3-1:
3.1
MCP73861/3: Connect V
voltage, connect to V
MCP73862/4: Connect V
voltage, connect to V
3.2
A supply voltage of [V
recommended. Bypass to V
4.7 µF.
3.3
Connect to negative terminal of battery and input
supply.
3.4
Preconditioning, fast and termination currents are
scaled by placing a resistor from PROG to V
© 2008 Microchip Technology Inc.
MCP73861/2/3/4
QFN
10
12
13
14
15
16
17
11
1
2
3
4
5
6
7
8
9
PIN DESCRIPTION
Voltage Regulation Selection
(V
Battery Management Input Supply
(V
Battery Management 0V Reference
(V
Current Regulation Set (PROG)
SET
DD2
SS1
SOIC
10
11
12
13
14
15
16
3
4
5
6
7
8
9
1
2
–
, V
)
, V
PIN FUNCTION TABLE
SS2
DD1
DD
DD
, V
)
REG
for 8.4V regulation voltage.
SET
SET
for 4.2V regulation voltage.
SS3
Symbol
THERM
THREF
TIMER
PROG
STAT2
STAT1
V
V
V
V
V
V
V
V
V
to V
to V
(typ.) + 0.3V] to 12V is
EN
BAT1
BAT2
BAT3
EP
SS
SET
DD1
DD2
SS1
SS3
SS2
)
SS
SS
with a minimum of
for 4.1V regulation
for 8.2V regulation
Table
Voltage Regulation Selection
Battery Management Input Supply
Battery Management Input Supply
Battery Management 0V Reference
Current Regulation Set
Cell Temperature Sensor Bias
Cell Temperature Sensor Input
Timer Set
Battery Management 0V Reference
Battery Charge Control Output
Battery Charge Control Output
Battery Voltage Sense
Battery Management 0V Reference
Logic Enable
Fault Status Output
Charge Status Output
Exposed Pad; Battery Management 0V Reference
SS
3.1.
.
3.5
THREF is a voltage reference to bias external
thermistor for continuous cell temperature monitoring
and prequalification.
3.6
THERM is an input for an external thermistor for contin-
uous cell-temperature monitoring and prequalification.
Connect to THREF/3 to disable temperature sensing.
3.7
All safety timers are scaled by C
3.8
Connect to positive terminal of battery. Drain terminal
of internal P-channel MOSFET pass transistor. Bypass
to V
when the battery is disconnected.
SS
with a minimum of 4.7 µF to ensure loop stability
Cell Temperature Sensor Bias
(THREF)
Cell Temperature Sensor Input
(THERM)
Timer Set
Battery Charge Control Output
(V
Function
BAT1
MCP73861/2/3/4
, V
BAT2
)
TIMER
DS21893D-page 13
/0.1 µF.