BMS 8333
5s-to-8s batteries protector with I2C
BMS 8335, designed for 5 to 8 series battery cells, features comprehensive protection against overcharging, over-discharging, and more. It supports various modes, including normal and low-power, with a cell disorderly power-up for production ease. Certain models offer I2C communication for flexible configuration of cell numbers and protection parameters, providing enhanced application flexibility.”
Package/Pins/Size
- SSOP28
- Supports 5 to 8 series-connected battery cells
- I2C communication and parameter configuration support
- CO and VM pin overvoltage protection without external components
- Voltage Protection:
- Overcharge voltage protection: 3.65V, 3.85V, 4.175V~4.35V, 25mV increments, ±25mV accuracy
- Overdischarge voltage protection: 2.3V~2.8V, 100mV increments, ±30mV accuracy
- Current Protection:
- Charging overcurrent protection: -0.01V, -0.02V, ±5mV accuracy
- Primary discharge overcurrent protection (externally adjustable delay): 0.05V, 0.10V, ±5mV accuracy
- Secondary discharge overcurrent protection (externally adjustable delay): 0.10V, 0.20V, ±5mV accuracy
- Short circuit protection: 200mV, 400mV, ±10mV accuracy
- Temperature Protection:
- Charging high/low-temperature protection (externally adjustable)
- Discharge high/low-temperature protection (externally adjustable)
- Cell balancing function
- Cascading support
- Load detection
- Load lockout
- Charger detection
- Discharge state detection 0V charging
- Low-voltage charging prohibition
- Internal CRC self-check mechanism
- Disconnection detection mechanism
- Low-power mode
- Operating state: 15uA
- Sleep mode: 5uA
- Supports disorderly power-up
Applications
- Vacuum cleaner
- Power tools
- Electric bicycles
- UPS (Uninterruptible Power Supply) backup power
- Other application battery packs