General Purpose BMS Communication TPL Transceiver and CAN FD Gateway
Design Files
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14-Channel Li-Ion Battery Cell Controller IC
The BMI7014 is a Li-Ion battery cell controller IC designed specifically for industrial applications, including energy storage systems and uninterruptible power supplies. It features monitoring of up to 14 battery cells and 7 temperatures, configurable averaging of cell voltage measurements through digital filtering, and a robust isolated 2.0 Mbps communication interface. Additionally, it supports onboard balancing of up to 300 mA.
Product Details
Block Diagram
Features
Voltage and Temperature Measurement
- Up to 14 cell voltage measurement channels with integrated configurables averaging up to 256 samples (digital filtering)
- Total stack voltage measurement
- Seven ADC/GPIO/temperature sensor inputs
- Accuracy tuned for ESS application
Integrated Balancing
- Integrated low resistance cell balancing MOSFETs, rated up to 300 mA simultaneously
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Balancing in sleep mode
- 14x programmable balancing timer
Communication
- Robust, isolated 2.0 Mbit/s 2-wire twisted-pair differential daisy chain communication
- Inductive or capacitive coupling
- Up to 63 nodes per daisy chain
- Loopback support
- 4 Mbit/s SPI also available
Supply Voltage
- 9.6 V ≤ VPWR ≤ 61.6 V operation, 75 V transient
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Design Resources
Hardware
Quick reference to our
board types.
1 hardware offering
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Evaluation and Development BoardsEvaluation Board for BMI7014TA1 BCC with Isolated Daisy Chain Communication