MC33771BSP1AE

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1. Describe

MC33771BSP1AE is a SMARTMOS Li-Ion battery controller IC designed for automotive Applications such as Hybrid Electric (HEV) and Electric Vehicles (EV) and Industrial Applications such as Energy Storage Systems (ESS) and Uninterruptible Power Supplies (UPS) system. The device also performs ADC conversion of differential battery voltage and current As battery coulomb counting and battery temperature measurement. information is Digital transfer via serial peripheral interface (SPI) or transformer isolation (TPL) to the microcontroller for processing.

2. Feature

    1. 9.6 V ≤ VPWR ≤ 61.6 V operation, 75 V transient

    2. 7 to 14 unit management

    3. Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI

    4. Addressable at initialization

    5. 0.8 mV maximum total voltage measurement error

    6. Simultaneous cell voltage/current measurement with coulomb counting

    7. Total stack voltage measurement

    8. 7 GPIO/Temp sensor inputs

    9. 5.0 V 5.0 mA reference power output

  10. Automatic over/under voltage and temperature detection routable to fault pins

  11. Integrated sleep mode over/under voltage and temperature monitoring

  12. Onboard 300 mA passive cell balancing with diagnostics

  13. Support hot swap

  14. Detect internal and external faults such as opens, shorts and leaks

  15. Designed to support ISO 26262, up to ASIL D safety systems

  16. Fully compatible with MC33772 up to six batteries

  17. AEC-Q100 Compliant

3. Application

    1. Automotive: 48 V and high voltage battery packs

    2. Electric bicycles, electric scooters

    3. Energy storage system

    4. Uninterruptible Power Supply (UPS)

4. Pin configuration