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BQ2982: Single cell LFP protection IC

Prithvi Raj Narendra1
Intellectual 550 points
Part Number: BQ2982
Other Parts Discussed in Thread: TPS3700-Q1

Tool/software:

Hello,

We are looking for a functionally safe (based no IEC61508) single cell LFP protection chipset that can perform OV and UV at a minimum. Over current would be also good to have, although there are other ways to achieve that.

Is there any chipsets that can provide this? Or should I use something like tps3700-q1 to control external back to back mosfets?

Thanks, Prithvi

  • 0
    TI__Expert 4320 points

    Hello Prithvi,

    The best option would be the BQ2980. It has:

    • Voltage protection:
      • Overvoltage (OV): ±10 mV
      • Undervoltage (UV): ±20 mV
    • Current protection:
      • Overcurrent in charge (OCC): ±1 mV
      • Overcurrent in discharge (OCD): ±1 mV
      • Short circuit in discharge (SCD): ±5 mV

    Best regards,

    Thomas Rainey