The DW01 is a widely used protection IC designed to provide overcharge, over-discharge, and overcurrent protection for single-cell lithium-ion (Li-ion) or lithium-polymer (LiPo) batteries. It is commonly used in battery protection circuits (BMS) for devices like smartphones, power banks, and other battery-powered electronics.

Here are the key parameters and specifications of the DW01 chip:

1. General Features:

Provides overcharge, over-discharge, and overcurrent protection.

Supports single-cell Li-ion/LiPo battery protection.

Low power consumption.

High-accuracy voltage detection.

2. Overcharge Protection:

Overcharge Detection Voltage (V_OC): Typically around 4.3V (configurable, depending on variant).

Overcharge Release Voltage (V_OC_rel): Typically around 4.1V.

Overcharge Detection Delay: 100-200 ms (depending on version).

3. Over-discharge Protection:

Over-discharge Detection Voltage (V_OD): Typically around 2.4V (configurable, depending on variant).

Over-discharge Release Voltage (V_OD_rel): Typically around 3.0V.

Over-discharge Detection Delay: 50-150 ms.

4. Overcurrent Protection:

Overcurrent Detection Current (I_OC): Typically in the range of 2A to 5A, depending on the external MOSFET and circuit design.

Short-circuit Protection: Immediate response (few microseconds).

Overcurrent Detection Delay: 6-15 ms (typically).

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