MAX1666A Datasheet, PDF (16/17 Pages) Maxim Integrated Products – Advanced Lithium-Ion Battery-Pack Protector

Advanced Lithium-Ion
Battery-Pack Protector
Typical Operating Circuits (continued)
PACK+
PACK-
OVERDISCHARGE
PROTECTION
P
470kΩ
TRICKLE
CHARGE
P
270Ω
470kΩ
1
SRC
2
DSO
P
4 _CGO
OVERCHARGE
PROTECTION ³ _TKO
5
B4P
6 _B3P
7 _B2P
V_CC ¹⁹
12
DSI
11
CGI
14
WRN
13
PKF
20
UVO
18
REF
R_SENSE
0.05Ω
8 MAX1666X
B1P
OVA ¹⁷
UVA ¹⁶
9 _GND
MMA ¹⁵
PKN
10
1µF 100kΩ
100kΩ
220kΩ
V_CC
OUT1
OUT2
+3.3V
5mA
IN1
IN2
499kΩ
1%
499kΩ
1%
499kΩ
1%
IN3
PACK
CONTROLLER
GND
499kΩ 499kΩ 499kΩ
1%
1%
1%
___________________Chip Information
TRANSISTOR COUNT: 4835
16 ______________________________________________________________________________________