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MCZ33991

Part Number	MCZ33991
Manufacturer	Freescale Semiconductor
Description	Gauge Driver Integrated Circuit
Published	Mar 31, 2016
Detailed Description	Freescale Semiconductor Technical Data Gauge Driver Integrated Circuit This 33991 is a single packaged, Serial Periphera...
Datasheet	MCZ33991 PDF File

Overview

Freescale Semiconductor Technical Data Gauge Driver Integrated Circuit This 33991 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, direction and magnitude of current through the two coils of a two-phase instrumentation stepper motor, similar to an MMT licensed AFIC 6405.
This device is ideal for use in automotive instrumentation systems requiring distributed and flexible stepper motor gauge driving.
The device also eases the transition to stepper motors from air core motors by emulating the air core pointer movement with little additional processor bandwidth utilization.
The device has many attractive features including: Features • 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 • 340° Maximum Pointer Sweep • Linear 4500° 2 • Maximum Pointer Velocity of 400° • Analog Microstepping (12 Steps/Degree of Pointer Movement) • Pointer Calibration and Return to Zero • SPI Controlled 16-Bit Word • Calibratable Internal Clock • Low Sleep Mode Current • Pb-Free Packaging Designated by Suffix Code EG Document Number: MC33991 Rev.
2.
0, 11/2006 33991 GAUGE DRIVER INTEGRATED CIRCUIT DW SUFFIX EG SUFFIX (PB-FREE) 98ASB42344B 24-PIN SOICW ORDERING INFORMATION Device Temperature Range (TA) Package MC33991DW/R2 MCZ33991EG/R2 -40 to 125°C SOICW VPWR 5.
0 V Regulator MCU 33991 VPWR VDD RT RS CS SCLK SI SO SIN1+ SIN1- COS1+ COS1- Motor 1 SIN2+ SIN2- COS2+ COS2- GND Motor 2 Figure 1.
33991 Simplified Application Diagram Freescale Semiconductor, Inc.
reserves the right to change the detail specifications, as may be required, to permit improvement...

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