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33976 - Dual Gauge Driver

Features

  • MMT-Licensed Two-Phase Step Motor Compatible.
  • Switec MS-X15.xxx Step Motor Compatible.
  • Minimal Processor Overhead Required.
  • Fully Integrated Pointer Movement and Position State Machine with Channel-Independent Configurable Pointer Movement.
  • 4096 Possible Steady State Pointer Positions.
  • 340° Maximum Pointer Sweep.
  • Maximum Acceleration of.
  • Maximum Pointer Velocity of 400°/s.
  • Analog Microstepping (12 Steps/Degree of Pointer Mo.

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Full PDF Text Transcription

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www.DataSheet4U.com Freescale Semiconductor Advance Information Document Number: MC33976 Rev 4.0, 1/2007 Dual Gauge Driver with Configurable Response Time The 33976 is a single-packaged, Serial Peripheral Interface (SPI) controlled, dual step motor gauge driver integrated circuit (IC). This monolithic IC consists of four dual output H-Bridge coil drivers and the associated control logic. Each pair of H-Bridge drivers is used to automatically control the speed, direction, and magnitude of current through the two coils of a two-phase instrumentation step motor, similar to an MMT-licensed AFIC 6405 or Switec MS-X15.xxx motor. The 33976 is ideal for use in automotive instrumentation systems requiring distributed and flexible step motor gauge driving.
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