SA1412
TWO CELL LI
+
BATTERY PROTECTION CIRCUIT
DESCRIPTIONS
SA1412 protects for Lithium-Ion Batteries. When the Lithium-Ion
Batteries is in state of overcharge, overdischarge and overcurrent. The
IC turns off the external mosfet to protect the batteries.
FEATURES
* Overcharge consumption current(V
CELL
=4.5V ROC=270K ): 150µA
* Normal consumption current(V
CELL
=3.5V): 18µA
* Overcharge consumption current(V
CELL
=1.9V): 0.5µA
Overcharge consumption current(V
CELL
=1.0V): 0.1µA
TSSOP-8-225-0.65
APPLICATIONS
* Digital camer
* Digital vidicon
* Special illumination
* Portable DVD
* PDA
* Interphone
* 7.2V large capacity battery.
ORDERING INFORMATION
Device
SA1412
Package
TSSOP-8-225-0.65
PRODUCTS CATALOG
Overcharge
Part No.
Detection
Voltage
SA1412A
SA1412B
SA1412C
SA1412D
4.350±0.025V
4.300±0.025V
4.250±0.025V
4.300±0.025V
Overcharge
Detection
Hysteresis
Voltage
220±50mV
220±50mV
220±50mV
200±50mV
Overdischarge
Detection
Voltage
2.3±0.1V
2.3±0.1V
2.3±0.1V
2.5±0.1V
Overdischarge
Release
Voltage
3.5±0.2V
3.5±0.2V
3.5±0.2V
3.0±0.1V
Overcurrent
Detection
Voltage
150±15mV
150±15mV
150±15mV
75±15mV
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.2
2007.09.28
Page 1 of 5
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