MCP73833 Microchip Technology, Inc., MCP73833 Datasheet - Page 2
MCP73833
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.
Datasheet
1.MCP73833.pdf
(26 pages)
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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