PC33991R2 Datasheet (Motorola Inc) - Gauge Driver Integrated Circuit

PC33991R2, Gauge Driver Integrated Circuit

H-Bridge Output.

This is the output pin of a half bridge, designed to source or sink current.

The H-Bridge pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant operation.

H-Bridge Output.

This is the output pin of a half bridge, designed to source or

Freescale Semiconductor, Inc.

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Document order number: MC33991/D Rev.

0, 10/2002 Preliminary Information Gauge Driver Integrated Circuit The 33991device is a single packaged, Serial Peripheral Interface (SPI) controlled, dual stepper 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, directi

PC33991R2 Features

* including: PR EL IM IN A R

* MMT-licensed two-phase 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