Microchip Technology MCP7383XRD-PPM Data Sheet
MCP73833/4
DS22005B-page 2
© 2009 Microchip Technology Inc.
Typical Application
Functional Block Diagram
STAT1
V
DD
V
SS
PROG
V
BAT
+
-
Single
Li-Ion
Cell
1,2
MCP73833
6
9,10
7
1 µF
1A Li-Ion Battery Charger
5
V
IN
470
Ω
470
Ω
470
Ω
STAT2
PG
THERM
T
4
3
8
1 µF
1 k
Ω
10 k
Ω
+
-
-
Reference
Generator
V
REF
(1.21V)
V
DD
STAT1
PROG
V
BAT
G=0.001
V
SS
Direction
Control
54 k
Ω
121 k
Ω
UVLO
+
-
-
PRECONDITION
6 µA
+
-
-
TERMINATIO N
+
-
-
111 k
Ω
+
-
-
CA
10 k
Ω
157.3 k
Ω
6 k
Ω
48 k
Ω
470.6 k
Ω
CHARG E
+
-
-
+
-
-
VA
72.7 k
Ω
310 k
Ω
6 µA
G=0.001
1 k
Ω
+
-
-
CURRENT
LIMIT
10 µA
+
-
-
LTVT
+
-
-
HTVT
470.6k
Ω
121 k
Ω
THERM
50 µA
Charge
Control,
Timer,
and
Status
Logic
STAT2
PG (TE)
+
-
-
LDO
1 M
Ω
175 k
Ω
SHDN