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33970 - Dual Gauge Driver

Description

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

8, 17 20 9 10 11 12 13 14 15 16 21 22 23 24 Pin Name COS0+ COS0 SIN0+ SIN0 GND CS SCLK SO SI RTZ VDD RST VPWR SIN1 SIN1+ COS1 COS1+ Pin

Features

  • 33970.

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Full PDF Text Transcription

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www.DataSheet4U.com Freescale Semiconductor Advance Information Document Number: MC33970 Rev. 3.0, 1/2007 Dual Gauge Driver Integrated Circuit with Improved Damping Algorithms This 33970 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. The 33970 is ideal for use in automotive instrumentation systems requiring distributed and flexible step motor gauge driving.
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