MC33812 | Multifunctional Ignition and Injector Driver | NXP Semiconductors

Multifunctional Ignition and Injector Driver

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Block Diagram

NXP MC33812 Low Side Switch Block Diagram

NXP MC33812 Low Side Switch Block Diagram

Features

Key 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

Buy/Parametrics

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Include 0 NRND

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CAD Model

Status

Device Function

Budgetary Price excluding tax

SafeAssure Functional Safety

Package Type

Package Termination Count

Load Current (IL) [TYP] (A)

Number of Channels

Load Supply Voltage (Min) (V)

Load Supply Voltage (Max) (V)

Supply Voltage [max] (V)

Supply Voltage [min] (V)

Ambient Operating Temperature (Min to Max) (℃)

Active

low side switch, powertrain control, pre-driver

1K @ US$1.60

No

HSOP32

32

0.3

0

4.9

36

36

4.9

-40 to 125

Documentation

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Design Files

Hardware

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3 hardware offerings

Software

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1 software file

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Engineering Services

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