Two Cylinder Small Engine Control IC



Two Cylinder Small Engine Control IC

Two Cylinder Small Engine Control IC


Key Features

  • Operates over supply voltage range of 4.5 V < VPWR < 36 V
  • Start-up/shut-down control and power sequence logic with KEYSW input
  • MCU supply: VCC is a 5.0V (±2.0%, 200 mA) regulated supply
  • Sensor supply: VPROT (100 mA) is a VCC tracking protected sensor supply
  • Two configurable pre-drivers for IGBT or general purpose gate MOSFETs for
  • Ignition and O2 sensor (HEGO) heater
  • PWM
  • Overcurrent shutdown
  • Short-to-battery shutdown
  • Six low-side drivers with full diagnostics, self-protection and PWM control
  • Two fuel injector drivers, RDS(on) = 0.6 Ω, ILIMIT = 1.8 A, to drive typical 12 Ω
  • High-Impedance Injectors
  • Relay 1 driver, RDS(on) = 0.4 Ω, ILIMIT = 3.0 A, to drive fuel pump
  • Relay 2 driver, RDS(on) = 1.5 Ω, ILIMIT = 1.2 A, to drive power relay
  • Lamp driver, RDS(on) = 1.5 Ω, ILIMIT = 1.2 A, to drive warning lamp or an LED
  • Programmable Tachometer Driver, RDS(on) = 20 Ω, Ishutdown = 60 mA, to drive
  • Tachometer display
  • Innovative configurable VRS conditioning circuit, with two different parameter
  • Settings for engine cranking and running mode and an optional automatic mode
  • Improve noise immunity in cranking conditions
  • K-line (ISO9141)
  • MCU reset generator and programmable watchdog
  • MCU Interface: 16-bit SPI and parallel interface with 5.0V IO capability

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33814AE is included in the 15-year program

部品番号: MC33814AE.


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