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Freescale - 1- and 2-Cycle Cylinder Controls - 23 August 2012

Target applications for the MC33813 and MC33814 include electronic controls for one and two cylinder gasoline motors used in motorcycles, mopeds, scooters and three-wheeled taxis.

The devices also can be applied to small engine designs for a wide range of outdoor power equipment, such as lawnmowers, garden tractors, trimmers, edger's, chain saws, snow and leaf blowers, tillers, electrical generators and outboard motors.

  Product page  Datasheet

  • Supply voltage range 4.5 V ≤ VPWR ≤ 36 V
  • Logic stability guaranteed down to 2.5 V
  • One O2 sensor heater general purpose gate pre-driver
  • Relay 1 driver, typically 2.0 A, for fuel pump control
  • Relay 2 driver, typically 1.0 A, power relay control
  • Lamp driver, typically 1.0 A can also be used to drive an LED
  • VPROT protected sensor supply tracks VCC +5.0 V regulator
  • MCU reset generator -system integrity monitor (watchdog)
  • Independent fault protection with all faults reported via the SPI
  • ISO 9141 K-line interface for communicating diagnostics
  • Start-up / shut-down control and power sequence logic
  • Interfaces directly to MCU using a 5.0 V SPI and logic I/O

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