AT1002-W 1S Li-ion Battery Protection IC (V_OC=4.425V)
$0.39
Single-Cell Li-ion Battery Protection IC
Overcharge Detection: 4.425V
Overdischarge Detection: 2.400V
Sleep Mode: No
Product Overview
The AT1002-W is a high-precision protection integrated circuit for single-cell lithium-ion / lithium-polymer rechargeable batteries. It integrates overcharge, overdischarge, discharge overcurrent, charging overcurrent, and short-circuit protection with high-precision voltage detection.
The AT1002-W is one of five factory-programmed variants of the AT1002 family, each with a different overcharge / overdischarge threshold combination. This variant is configured with VOC=4.425V, VOD=2.400V, and Sleep Mode: No. It features 0V charging function, load and charger detection, and low 2.2µA typical operating current.
Specifications
| Application | Single-Cell Li-ion / Li-polymer Battery Pack |
| Overcharge Detection Voltage (VOC) | 4.425V (±25mV) |
| Overcharge Release Voltage (VOCR) | 4.225V |
| Overdischarge Detection Voltage (VOD) | 2.400V (±80mV) |
| Overdischarge Release Voltage (VODR) | 3.000V |
| Discharge Overcurrent Detection (VEC1) | 0.220V |
| Short-Circuit Detection Voltage (VSHORT) | 1.000V |
| Charging Overcurrent Detection (VCHA) | −0.180V |
| Sleep Mode | No |
| Operating Current | 2.2µA (Typ @ +25°C) |
| Additional Functions | Load Detection, Charger Detection, 0V Charging |
| Weight | 0.3 lbs |
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