This reference design is a full cell-temperature sensing and high cell-voltage accuracy Lithium-ion (Li-ion), lithium iron phosphate (LiFePO4) battery pack (52s). The design monitors each cell voltage, cell temperature, and protects the battery pack for safe use. This design supports both daisy-chain and controller area network (CAN) interfaces for a stackable communication up to 1500V battery energy storage systems. These features make this reference design applicable for high-capacity battery pack applications.
Features
- ±2.5mV voltage accuracy at –40°C to 85°C without calibration
- Full cell-temperature sensing with multiplexer (MUX)
- Robust and programmable battery cell and pack protection
- Robust daisy-chain communication with data reclocking and ring architecture
- 7μA in shutdown mode
- Supports stackable architecture through daisy chain and CAN interface up to 1500V
- Compatible with bus bar or no bus bar connection