Microchip Technology MCP73871DM-VPCC Data Sheet
2008-2013 Microchip Technology Inc.
DS20002090C-page 3
MCP73871
Functional Block Diagram
STAT1
PROG1
V
BAT
G = 0.001
V
SS
Direction
Control
TERM
+
-
+
-
-
LTVT
+
-
-
HTVT
THERM
50 μA
UVLO,
REFERENCE,
CHARGE
CONTROL,
TIMER,
AND
STATUS
LOGIC
STAT2
PG
Direction
Control
PROG2
IN
+
-
-
CURRENT
LIMIT
V
REF
+
-
-
CURRENT
LIMIT
V
REF
/2
PROG3
+
-
-
CA
V
REF
PRECONDITION
+
-
-
V
REF
+
-
-
VA
V
REF
V
REF
SEL
OUT
V
REF
TE
0.2
0.2
Ideal
Diode,
Synchronous
Switch
CHRG
+
-
V
REF
+
-
-
V
REF
VPCC
CE
V
BAT_SENSE
G = 0.001
G = 0.001
G = 0.001
V
REF
(1.21V)
361k
190k
7k
89k