MCP73833 Microchip Technology, Inc., MCP73833 Datasheet - Page 2

• Manufacturer Part Number: MCP73833
• Description: 1A output current linear charge management controller. Includes integrated pass transistor, integrated current sensing, and reverse discharge protection. Also includes safety features such as cell temperature monitoring, on-chip thermal regulation an
• Manufacturer: Microchip Technology, Inc.

MCP73833/4
Typical Application
Functional Block Diagram
DS22005A-page 2
THERM
V
PROG
V
DD
SS
175 kΩ
54 kΩ
121 kΩ
1 MΩ
10 µA
6 µA
6 µA
50 µA
Reference
Generator
V
V
REF
IN
(1.21V)
1 µF
470.6kΩ
121 kΩ
G=0.001
Direction
Control
G=0.001
+
-
+
-
+
-
+
-
+
-
SHDN
LDO
UVLO
HTVT
LTVT
157.3 kΩ
72.7 kΩ
310 kΩ
1 kΩ
6 kΩ
470Ω
470Ω
470Ω
1A Li-Ion Battery Charger
1,2
3
4
7
STAT1
STAT2
V
PG
DD
+
-
+
-
+
-
MCP73833
CHARG E
PRECONDITION
TERMINATIO N
THERM
PROG
V
V
111 kΩ
Charge
Control,
Timer,
and
Status
Logic
BAT
SS
9,10
8
6
5
10 kΩ
470.6 kΩ
48 kΩ
1 kΩ
1 µF
+
-
+
-
+
-
© 2006 Microchip Technology Inc.
CURRENT
LIMIT
CA
VA
T
+
-
Single
Li-Ion
Cell
10 kΩ
V
STAT1
STAT2
PG (TE)
BAT