6 Output Switch, SPI, Parallel Input Control

MC33882

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The NXP® MC33882 is a six-output, low side switch that controls system loads up to 1.0 A. The six outputs can be controlled via both serial peripheral interface (SPI) and parallel input control, ideal for fault tolerant system applications.

  • Interfaces directly with industry standard MCUs via SPI to control both inductive and incandescent loads
  • Outputs are configured as open drain power MOSFETs incorporating internal dynamic clamping and current limiting
  • Monitoring and protection features, including low standby current, fault status reporting, internal 52 V clamp on each output, output specific diagnostics, and protective shutdown
  • Mode select pin offers a dual means of input control

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Block Diagram

6 Output Switch, SPI, Parallel Input Control

NXP<sup>&#174;</sup> MC33882 Internal Block Diagram
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Features

General

  • Outputs clamped for switching inductive loads
  • Very low operational bias currents (< 2.0 mA)
  • CMOS input logic compatible with 5.0 V logic levels
  • Robust load dump (60 V transient at VPWR on OUT0 - OUT5)
  • Daisy chain operation of multiple devices possible
  • Switch outputs can be paralleled for higher currents
  • RDS(ON) of 0.4 Ω per output (25 °C) at 13 V VPWR
  • SPI operation guaranteed to 2.0 MHz
  • Load current(IL) 1 A (Typ)
  • 6 channels
  • Load supply voltage min. 0 V, max. 52 V
  • SPI Interface and Input Controller

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