Data Sheet

MCP73831/2
DS20001984G-page 2  2005-2014 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 k
255 k
UVLO
+
-
+
-
SHDN
DIRECTION
CONTROL
0.5 µA
PRECONDITION
6µA
6µA
+
-
TERMINATION
+
-
43.6 k
+
-
CA
3.9 k
111 k
190 k
7k
15 k
182.3 k
111 k
CHARGE
+
-
+
-
VA
89 k
361 k
100 k
0.5 µA
V
DD
MCP73831
ONLY