EC9523
Description
The EC9523 Li-ion/Li-polymer battery protection IC has high accuracy voltage detector and delay time circuit in side.0 V charge function and self-recovery function are available. The operating quiescent current is very low. It is designed to protect 1-cell lithium-ion / lithium polymer rechargeable batteries from damage or degrading life time due to the overcharge, over discharge and charge/discharge over current etc.
Features
- Overcharge detection voltage 4.25 V to 4.35V,
Accuracy ±50 m V
- Overcharge release voltage 4.05 V to 4.15V,
Accuracy ±50 m V
- Overdischarge detection voltage 2.3 to 2.5V,
Accuracy 100 m V
- Overdischarge release voltage 2.9 to 3.1V,
Accuracy ± 100 m V
- Ultra-low operating current 2.5μA@Vcc=3.9V
- Self-recovery function available
- Overcurrent protection and load short protection
- 0V charge function available
- Over charge current protection available
Applications
- Single cell Lithium-ion/Lithium polymer rechargeable battery pack.
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