Description
The DW01A is a dedicated battery protection IC designed to ensure the safety and longevity of single-cell Lithium-Ion (Li-ion) and Lithium-Polymer (Li-Poly) battery packs. By continuously monitoring the battery voltage and charge/discharge currents, the DW01A provides critical protection against over-charge, over-discharge, and over-current fault conditions, preventing potential damage to the battery cell and ensuring secure operation in portable devices.
This IC is engineered for low power consumption, making it ideal for compact, battery-powered applications where standby time is a priority. It functions by controlling external MOSFETs to interrupt the charging or discharging path when abnormal conditions are detected. Housed in a tiny SOT-23 (SMD-6) package, the DW01A offers a space-efficient solution for developers designing small-scale electronics, wearable devices, and power banks.
Key Features
- Comprehensive Protection: Safeguards battery cells against over-charge voltage, over-discharge voltage, and over-discharge current.
- High Accuracy: Precision voltage detection for reliable safety thresholds, maximizing battery service life.
- Low Power Consumption: Minimal current draw ensures efficient operation for extended battery standby periods.
- Compact Design: Tiny SOT-23 (SMD-6) footprint perfect for space-constrained PCB layouts in portable electronics.
- Integrated Safety Control: Directly drives external MOSFETs to isolate the battery during fault conditions, preventing catastrophic failures.
Application
- Portable Consumer Electronics: Essential safety protection for smartphones, tablets, and handheld devices.
- Wearable Technology: Ideal for compact battery management in smartwatches, fitness trackers, and hearables.
- Power Banks: Provides a critical safety layer for mobile charging systems.
- IoT Devices: Ensures reliable and safe battery operation for remote sensors and connected equipment.
- DIY Battery Packs: An excellent component for hobbyists creating custom, safe battery-powered projects.
Package Includes
- 1 x DW01A Lithium Battery Protection IC (SOT-23 / SMD-6)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | DW01A |
| Overcharge Detection Voltage | 4.3V |
| Battery Type | Li-ion / Li-Poly (Single Cell) |
| Package Type | SMD-6 (SOT-23) |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.











