DW02A Li-Ion Battery Protection IC

TheDW02A is a precision protection IC specifically designed to monitor and protect 2-cell series-connected lithium-ion or lithium-polymer rechargeable battery packs. It provides accurate overcharge, over-discharge, and overcurrent protection by controlling dual external N-channel MOSFETs. The DW02A offers ultra-low current consumption, making it highly suitable for portable and battery-powered applications.

Features

• Protection for 2-cell Li-ion/LiPo battery packs
• Overcharge and over-discharge voltage detection
• Overcurrent and short-circuit protection
• Ultra-low operating and standby current
• Works with external dual N-MOSFETs
• Auto-recovery after fault conditions
• Integrated delay timers to avoid false triggering
• Compact SOT-26 package

Applications

• 2S Li-ion/LiPo battery protection circuits
• Rechargeable battery packs
• Power tools
• Portable electronics
• Medical and diagnostic handheld devices

Specification