ICS1708 Datasheet, PDF (10/16 Pages) List of Unclassifed Manufacturers – QuickSaver Charge Control IC for Nickel-Cadmium and Nickel-Metal Hydride Batteries

ICS1708
DC INPUT
CONSTANT
CURRENT
SOURCE
IN
OUT
ON/OFF
+5V REG.
330
GENERAL
PURPOSE
LED
CMN OFF=2.5V+/-.5V
FOR C/2.5 RATE
1.3K
ICS1708
1 _CHG
2 _MMN
3 _CMN
4 _VSS
VDD ⁸
VIN ⁷
6
OPREF
RC ⁵
4.7uF
15k
100pF
.047uF
R3
.047uF
PTC
or
R1 _TS
R2
+
FIGURE 9B: Charging S ystem Diagram for C/2.5 (150 Minute) Charge Rate
DC INPUT
2N3903
CONSTANT
CURRENT
SOURCE
IN
OUT
ON/OFF
+5V REG.
4.7uF
ICS1708
10K
1 _CHG
VDD ⁸
2 _MMN
VIN ⁷
1N4148
3 _CMN
4 _VSS
6
OPREF
RC ^{5 15k}
100pF
2K
.047uF
R3
.047uF
PTC
or
R1 _TS
R2
+
FIGURE 9C: Charging S ystem Diagram for 4C (15 minute) Charge Rate
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