16-Output Switch with SPI and PWM Control

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Product Details

Block Diagram

Freescale MC33999 Low Side Switch Block Diagram

NXP<sup>&#174;</sup> MC33999 Low Side Switch Block Diagram


  • RDS(ON) @ 25 degree C 0.55 Ohm
  • Operating Voltage, VPWR 5.0 V – 27 V
  • Operating Voltage, SOPWR 3.1 V – 5.5 V
  • Outputs current limited (0.9 A) and voltage clamped (50V) for switching incandescent and inductive loads
  • Output independent over temperature shutdown
  •  Programmed PWM of any combination of outputs plus parallel input control of eight outputs
  • Output ON short-to-VBAT and OFF short-to-ground/open detection
  • OFF open load detection current can be disabled for sensitive LED applications
  • SPI diagnostic reporting

Key Parametrics

  • Load Current (IL) [TYP] (A)
  • Number of Channels
  • Drain-to-Source On Resistance (Typ) (mOhm) (RDS(ON))
  • Load Supply Voltage (Min) (V)
  • Load Supply Voltage (Max) (V)


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