Datasheet

MCP73871
DS20002090C-page 2  2008-2013 Microchip Technology Inc.
Package Types
Typical Application Circuit
IN
STAT1/
LBO
PG
THERM
STAT2
PROG1
IN
OUT
OUT
CE
SEL
PROG3
TE
V
BAT
V
BAT
VPCC
V
SS
V
SS
V
BAT_SENSE
2
EP
20
1
19 18 17
3
4
12
11
10
9
5
678
13
14
15
16
21
PROG2
MCP73871
20-Lead QFN*
* Includes Exposed Thermal Pad (EP); see Table 3-1.
STAT1
LBO
IN OUT
PG
V
BAT
Single-Cell
Li-Ion Battery
7
1, 20
8
18, 19
10 μF
10, 11, EP
AC-DC Adapter
or
USB Port
STAT2
THERM
V
SS
PROG1
PROG3
12
13
R
PROG1
6
5
14, 15, 16
470
470
470
2
4.7 μF
System
Load
SEL
TE
PROG2
Hi
Low
Hi
Low
Hi
Low
3
4
9
R
PROG3
VPCC
NTC
10 k
Hi
Low
17
CE
4.7 μF
MCP73871 Typical Application