Diodes' AP9211 series is a single-chip protection solution specially designed for 1-cell Li+ rechargeable battery packs. It includes a 1-cell lithium ion battery protection chip and dual N-Channel Mosfet with common drain. The AP9211 provides rich battery protection features and will turn-off the N-Channel Mosfet when detecting overcharge conditions (voltage and / or current), over-discharge conditions (voltage and / or current), or load short-circuit. The device has a built-in fixed delay time to save external components. It is available in the U-DFN2030-6 package with a thickness less than 0.6 mm.
Features and Benefits
- Built-in delay time (+25°C), accuracy ±20%
- Accurately and reliably detects overcharge voltage / current, over-discharge voltage / current, or load short-circuit conditions
- Saves external components and lowers BOM cost
- Minimizes discharge of battery ensuring longer battery operation
- Small package of U-DFN2030-6, maximum 0.6 mm height
- Supports slimmer PCM boards and bigger battery cell capacity
- High voltage CMOS process, up to 30 V (between terminals)
- Withstands extreme transients/surges voltage from adapters
- Low quiescent current (3 µA normal; 0.1 µA in power down)
- High accuracy voltage detection
Applications
- Li+ rechargeable battery pack
