Integrated battery monitor with passive balancing reference design

  Stackable monitor and protector for use in large format Lithium-ion batteries that provides monitoring, balancing, and communications. Each bq76PL455A-Q1 EVM can manage 8 to 16 cells (12V min) for Li-ion battery applications. 

Up to 16 bq76PL455A-Q1 EVM modules can be stacked. The system provides fast cell balancing, diagnostics, and module to controller communication. Independent protection circuitry is also integrated.

Features:

  • Highly accurate monitoring and protection
  • Engineered for high system robustness
  • 1Mb/s stackable isolated differential-UART
  • Passes Bulk Current Injection (BCI) test
  • Helps achieve high levels of functional safety
  • Support for open wire detection

Read more here.

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Reference design allows any of 16 cell inputs to be charged