12 V Multipurpose Low RDSON eXtreme Switch

Product Details

Block Diagram

Simplified Application Drawing

Features

MC33981

  • Operating voltage range from 6.0 V to 27 V, with sleep current < 5.0 μA, extended mode down to 4.5V
  • 40 A continuous current capability
  • PWM capability up to 60 kHz, with a duty cycle from 5% to 100%
  • Slew-rate control with an external capacitor
  • Overcurrent and overtemperature protection, undervoltage shutdown, and fault reporting
  • Reverse battery protection
  • Gate drive signal for external low side N-channel MOSFET with protection features
  • Output current monitoring
  • Temperature feedback

MC33982/984/988

  • Operating voltage range of 6.0 V to 20 V, with sleep current < 5.0 μA, extended mode from 4.0 V to 28 V
  • Current capability up to 40 A steady state
  • 8.0 MHz 16-bit 3.3 V and 5.0 V SPI control and status reporting with daisy-chain capability
  • Programmable overcurrent trip level and overtemperature protection, undervoltage shutdown, and fault reporting
  • Enhanced -16 V reverse battery protection
  • Output current monitoring
  • Watchdog and configurable Fail-safe mode by hardware
  • Compatible PCB footprint and SPI software driver among the family These products are included in NXP®.s product longevity program with assured supply for a minimum of 15 years after launch

Comparison Table

12XS2

Product Datasheet # of outputs RDSon (mOhm) Package Suggested tool
MC33981 Datasheet Single 1 x 4.0 PQFN 16 -
MC33982 Datasheet Single 1 x 2.0 PQFN 16 KIT33982CEVBE
MC33984 Datasheet Dual 2 x 4.0 PQFN 16 KIT33984CEVBE
MC33988 Datasheet Dual 2 x 8.0 PQFN 16 KIT33988CEVBE

Design Resources

Documentation

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Hardware

3 hardware offerings

Engineering Services

4 engineering services

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