Engine Control Integrated Circuit

MC33800

The NXP MC33800 is a combination output switch and driver IC that is ideal for numerous powertrain engine control applications.

  • Contains two programmable constant current drivers (CCD), an octal, low-side, serial switch (OSS) and six, external MOSFET gate pre-drivers (GD
  • Overvoltage, undervoltage and thermal protection
  • All drivers and switches, including the external MOSFETs, have overcurrent protection, off-state open load detection, on-state shorted load detection and fault annunciation via the SPI
  • Cost effective packaging

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Product Details

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Block Diagram

NXP MC33800 Low Side Switch Block Diagram

NXP MC33800 Low Side Switch Block Diagram
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Features

  • Wide operating voltage range, 5 < VPWR < 36 volts
  • Interfaces to 3.3 and 5 volt microprocessors via SPI protocol
  • Low, sleep mode, standby current, typically 10 uA.
  • Internal or external voltage reference
  • Internal oscillator with calibrate capability
  • Measures resistance to monitor HEGO sensors
  • CCDs have programmable current, dither frequency and amplitude
  • OSSs can be paralleled to increase current capability
  • GDs have programmable frequency and duty cycle PWM
  • All outputs controllable via serial and/or parallel inputs

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