bq40z60
Features
- 1 Fully Integrated 2-Series to 4-Series Cell Li-Ion or Li-Polymer Battery Management Unit
- Input Voltage Range on Pack+: 2.5 V to 25 V
- Battery Charger Efficiency > 92%
- Battery Charger Operation Range: 4 V to 25 V
- Battery Charger, 1-MHz Synchronous Buck
Controller for External NFETs
- Soft Start to Limit In-Rush Current
- Current Limit Protection for External Switches
- Programmable Charging
- Supports JEITA/Enhanced Charging Modes
- Fuel Gauging
- High Resolution 16-Bit Integrator for Coulomb Counter
- ADC, 16-Bit for Precision V, I, and T Measurements with 16-Channel Multiplexer
- Support for Simultaneous CC and ADC Sampling (Power Conversion)
- Supports Two-Wire SMBus v2.0 Interface with Accelerated 400-k Hz Programming Option
- SHA-1 Hash Message Authentication Code (HMAC) Responder for Increased Battery Pack Security
- Split Key (2 × 64) Stored in Secure Memory
- Supports Field Updates
- AFE Protection
- Programmable Current Protection
- Overcurrent in Discharge
-...
