MC33970 Datasheet | Freescale Semiconductor

Features IMPROVED GAUGE DRIVER INTEGRATED CIRCUIT DW SUFFIX EG SUFFIX (Pb-FREE) 98ASB42344B 24-PIN SOICW ORDERING INFORMATION - MMT-Licensed Two-Phase Step Motor patible Temperature Device Package - Minimal Processor Overhead Required Range (TA) - Fully Integrated Pointer Movement and Position State Machine MC33970DW/R2 with Air Core Movement Emulation -40°C to 125°C 24 SOICW - 4096 Possible Steady State Pointer Positions MCZ33970EG/R2 - 340° Maximum Pointer Sweep - Fixed Maximum Acceleration and Deceleration of 4500°/s2 - Maximum Pointer Velocity of 400°/s - 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 - Backward patible with MC33991 - Improved Pointer Movement, Diagnostics, and Return to Zero (RTZ) - Pb-Free Packaging Designated by Suffix Code EG VPWR VPWR 5.0 V Regulator VDD VDD SIN0+ SIN0Motor 0 COS0+ COS0RTZ RST CS SCLK SI SO GND SIN1+ SIN1Motor 1 COS1+ COS1- Figure 1. 33970 Simplified Application Diagram - This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2007. All rights reserved. INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM VPWR INTERNAL REGULATOR CS SCLK SO SI COS0 SPI SIN0 COS0+ COS0SIN0+ SIN0COS1+ COS1- COS1 LOGIC STATE MACHINE UNDERAND OVERVOLTAGE DETECT ILIM H-BRIDGE AND CONTROL SIN1+ SIN1- OVERTEMPERATURE...