Data Sheet

MCP73831/2
DS20001984F-page 2  2005-2013 Microchip Technology Inc.
Functional Block Diagram
+
-
REFERENCE
GENERATOR
V
REF
(1.22V)
V
BAT
V
DD
STAT
PROG
V
BAT
G=0.001
V
SS
DIRECTION
CONTROL
477 kΩ
255 kΩ
UVLO
+
-
+
-
SHDN
DIRECTION
CONTROL
0.5 µA
PRECONDITION
6µA
6µA
+
-
TERMINATION
+
-
43.6 kΩ
+
-
CA
3.9 kΩ
111 kΩ
190 kΩ
7kΩ
15 kΩ
182.3 kΩ
111 kΩ
CHARGE
+
-
+
-
VA
89 kΩ
361 kΩ
100 kΩ
0.5 µA
V
DD
MCP73831
ONLY