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MC33977 - Single Gauge Driver

Description

of each pin can be found in the Functional Pin Description section beginning onpage 10.

Features

  • MMT-Licensed Two-Phase Stepper Motor Compatible Switec MS-X15.xxx Stepper Motor Compatible Minimal Processor Overhead Required Fully Integrated Pointer Movement and Position State Machine with Air Core Movement Emulation 4096 Possible Steady State Pointer Positions 340° Maximum Pointer Sweep Maximum Acceleration of 4500°/s2 Maximum Pointer Velocity of 400°/s.

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Full PDF Text Transcription

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www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC33977 Rev. 2.0, 1/2007 Single Gauge Driver The 33977 is a Serial Peripheral Interface (SPI) Controlled, stepper motor gauge driver Integrated Circuit (IC). This monolithic IC consists of a dual H-Bridge coil driver and its associated control logic. The HBridge drivers are used to automatically control the speed, direction, and magnitude of current through the coils of a two-phase instrumentation stepper motor, similar to an MMT-licensed AFIC 6405 of Switec MS-X156.xxx motor. The 33977 is ideal for use in instrumentation systems requiring distributed and flexible stepper motor gauge driving.
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