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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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MC33976 Fiches technique(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC33976 Fiches technique(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 40 page  Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. Document Number: MC33976 Rev . 3.0, 8/2006 Freescale Semiconductor Technical Data © Freescale Semiconductor, Inc., 2006. All rights reserved. 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. The device also eases the transition to step motors from air core motors by emulating the air core pointer movement with little additional processor bandwidth utilization. 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 4500°/s2 •Maximum Pointer Velocity of 400°/s •Analog Microstepping (12 Steps/Degree of Pointer Movement) •Pointer Calibration and Return to Zero (RTZ) •SPI-Controlled 16-Bit Word •Calibratable Internal Clock •Low Sleep Mode Current •Pb-Free Packaging Designated by Suffix Code EG Figure 1. 33976 Simplified Application Diagram CONFIGURABLE DUAL GAUGE DRIVER 33976 ORDERING INFORMATION Device Temperature Range (TA) Package MC33976DW/R2 -40°C to 125°C 24 SOICW MCZ33976EG/R2 DW SUFFIX EG SUFFIX (PB-FREE) 98ASB42344B 24-LEAD SOICW 5.0 V Regulator MCU V PWR VPWR 33976 V DD RTZ RST CS SCLK SI SO GND Motor 0 SIN0+ SIN0- COS0+ COS0- Motor 1 SIN1+ SIN1- COS1+ COS1- VDD |
Numéro de pièce similaire - MC33976 |
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Description similaire - MC33976 |
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