MCP73861-I/SL Microchip Technology Inc., MCP73861-I/SL Datasheet - Page 2

• Manufacturer Part Number: MCP73861-I/SL
• Description: Highly-Integrated Single Cell Lithium-Ion/Lithium-Polymer Charge Management Cont
• Manufacturer: Microchip Technology Inc.

Specifications of MCP73861-I/SL

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

MCP73861/2/3/4
Typical Application
Functional Block Diagram
DS21893C-page 2
THERM
THREF
TIMER
PROG
V
V
DD1
DD2
EN
110 k
10 k
100 k
50 k
50 k
V
REF
G = 0.001
V
5V
Charge
Termination
Comparator
+
–
+
–
UVLO
+
–
+
–
Bias and
Reference
Generator
Direction
4.7µF
U
COMPARATOR
Temperature
Comparators
Control
VLO
11 k
1 k
I
REG
10 k
/12
Power-On
Delay
1.2A Lithium-Ion Battery Charger
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
MCP73861/3
Precondition
Control
+
–
DD
SET
Oscillator
THERM
THREF
TIMER
V
V
BAT3
V
I
BAT
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.
4 k
600 k
(1.65 M )
148.42 k
1.58 k
300.04 k
10.3 k
(8.58 k )
Values in ( )
reflect the
MCP73862/4
devices
STAT1
STAT2
V
V
V
V
V
V
V
BAT1
BAT2
BAT3
SS1
SS2
SS3
SET