MCP73862-I/MLG Microchip Technology, MCP73862-I/MLG Datasheet - Page 2

• Manufacturer Part Number: MCP73862-I/MLG
• Description: IC CONTROLLER LI-ION 8.2V 16QFN
• Manufacturer: Microchip Technology

Specifications of MCP73862-I/MLG

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 8.7 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Output Voltage: 8.2 V, 8.4 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
• Other names: MCP73862-I/MLG; MCP73862-I/MLGR

MCP73861/2
Typical Application
Functional Block Diagram
DS21893B-page 2
THERM
THREF
TIMER
PROG
V
V
DD1
DD2
EN
110k
10k
100k
50k
50k
V
REF
G=0.001
5V
V
Charge
Termination
Comparator
UVLO
+
-
+
-
+
-
+
-
Bias and
Reference
Generator
4.7µF
Direction
U
COMPARATOR
Temperature
Comparators
Control
VLO
11k
1k
I
REG
/12
10k
1.2A Lithium-Ion Battery Charger
Power-On
Delay
90
k
V
V
V
UVLO
REF
REF
2, 3
14
16
15
(1.2V)
1
5
Charge Current
Control Amplifier
V
V
EN
STAT1
STAT2
PROG
Precondition
Control
+
–
MCP73861
DD
SET
Oscillator
THERM
THREF
TIMER
V
V
BAT3
V
BAT
I
REG
SS
V
DD
/12
12
10, 11
6
7
8
4, 9, 13
Charge_OK
Precon
6.19 k
Voltage Control
Amplifier
7.32 k
Charge Control,
Charge Timers,
And
Status Logic
0.1
µF
V
–
Constant Voltage/
Recharge Comp.
+
REF
4.7 µF
Precondition
Comp.
Charge_OK
Drv Stat 1
Drv Stat 2
V
+
-
+
+
REF
-
-
Single
Lithium-Ion
Cell
 2005 Microchip Technology Inc.
4k
600k
(1.65M )
148.42k
1.58k
300.04k
10.3k
(8.58k )
Values in ( )
reflect the
MCP73862
device
STAT1
STAT2
V
V
V
V
V
V
V
BAT1
BAT2
BAT3
SET
SS1
SS2
SS3