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ACEDW01 Datasheet(PDF) 1 Page - ACE Technology Co., LTD. |
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ACEDW01 Datasheet(HTML) 1 Page - ACE Technology Co., LTD. |
1 / 19 page ACEDW01 One Cell Lithium-ion/Polymer Battery Protection IC VER 1.2 1 Description This protection IC was developed for use with lithium-ion/lithium polymer 1-cell serial batteries. It detects overcharge, overdischarge, discharge overcurrent and other abnormalities, and functions to protect the battery by turning off the external MOSFET. The IC also has a built-in timer circuit (for detection delay times), so fewer external parts can be used in protection circuit configuration. Features 1. High-accuracy voltage detection circuit Overcharge detection voltage 4.200 to 4.400V Accuracy: ±50Mv Overcharge release voltage 3.900 to 4.400V Accuracy: ±50mV Overdischarge detection voltage 2.30 to 3.00V Accuracy: ±100mV Overdischarge release voltage 2.30 to 3.40V Accuracy: ±100mV Discharge overcurrent detection voltage 150mV Accuracy: ±100mV Short-circuiting detection voltage 1.35V Accuracy: ±100mV 2. Delay times are generated by an internal circuit (external capacitors are unnecessary). Overcharge delay time 100ms typ. Overdischarge delay time 50ms typ. Discharge overcurrent delay time 10ms typ. Charge overcurrent detection voltage 10ms typ. Short circuit delay time 5μs typ. 3. Power-down function“Yes”/ No”are selectable (See Model List). 4. Auto overdischarge recovery function “Yes”/ “No” are selectable (See Model List). 5. Low current consumption Operation mode 3.0μA typ., 6.0μA max. (VCC=3.9V) Power-down mode 0.1μA max. (VCC=2.0V) Auto overdischarge mode 2.0μA max. (VCC=2.0V) 6. 0 V battery charge function “available” / “unavailable” are selectable (See Model List). 7. operation temperature range -40℃~+85℃ |
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