MC33812 Datasheet (Freescale Semiconductor) - Multifunctional Ignition and Injector Driver

MC33812, Multifunctional Ignition and Injector Driver

1 IGNOUTL Output 2 IGNOUTH Output 3 IGNSUP Input 4 IGNFB Input Ignition Output Low Ignition Output High Ignition Output Supply Feedback from Source Low side output to drive Gate/Base of IGBT/Bipolar Darlington High side output to drive Gate/Base of IGBT/Bipolar Darlington Tie to +5 V for Darlingt

Freescale Semiconductor Advance Information Document Number: MC33812 Rev.

5.0, 7/2010 Multifunctional Ignition and Injector Driver The 33812 is an engine control analog power IC intended for motorcycle and other single/dual cylinder small engine control applications.

The IC consists of three integrated low side drivers, one pre-driver, a +5.0 V, voltage pre-regulator, an MCU watchdog circuit, an ISO 9141 K-Line interface, and a parallel interface for MCU communication.

The three low side drive

MC33812 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 EK Pb-FREE SUFFIX 98ASA10556D 32 Pin SOICW EP transistors

* Ignition pre-driver