Multifunctional Ignition and Injector Driver

See product image

Product Details

Select a section:

Block Diagram

NXP MC33812 Low Side Switch Block Diagram

NXP MC33812 Low Side Switch Block Diagram

Features

  • Designed to operate over the range of ~4.7 V ≤ VPWR ≤ 36 V
  • Fuel Injector driver - Current Limit - 4.0 A Typical
  • Ignition pre-driver can drive IGBT or Darlington bipolar junction transistors
  • Ignition pre-driver has independent high and low side outputs
  • Relay driver - Current Limit - 4.0 A Typical
  • Lamp driver- Current Limit - 1.5 A Typical
  • All external outputs protected against short to battery, over-current
  • Ignition and other drivers protected against over-temperature
  • Interfaces directly to MCU using 5.0 V parallel interface
  • VCC voltage pre-regulator provides +5.0 V power for the MCU
  • MCU Power On RESET generator
  • MCU watchdog timer circuit with parallel refresh/time setting line
  • Independent fault annunciation outputs for ignition and injection
  • ISO-9141 K-Line transceiver for communicating diagnostic messages

Target Applications

  • Single cylinder engine control
  • Dual cylinder engine control

Design Resources

Documentation

Quick reference to our documentation types.

1-5 of 7 documents

Show All

Hardware

3 hardware offerings

Software

1 software file

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

5 engineering services

To find a complete list of our partners that support this product, please see our Partner Marketplace.

Support