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MC34929

Freescale Semiconductor
Part Number MC34929
Manufacturer Freescale Semiconductor
Description Brushless DC 1.0 AMP 28 VOLT Motor Driver IC
Published Nov 30, 2006
Detailed Description www.DataSheet4U.com Freescale Semiconductor Advance Information Document Number: MC34929 Rev. 7.0, 11/2006 Brushless ...
Datasheet PDF File MC34929 PDF File

MC34929
MC34929

Overview
www.
DataSheet4U.
com Freescale Semiconductor Advance Information Document Number: MC34929 Rev.
7.
0, 11/2006 Brushless DC 1.
0 AMP 28 VOLT Motor Driver IC The 34929 Brushless DC (BLDC) Motor Driver IC is a complete BLDC motor driver system in one chip.
It is designed to efficiently drive three-phase BLDC motors up to 1A and 28V, and has built in protection features making it ideal for a variety of consumer, portable, and office applications containing small motors.
It incorporates digital I/O, making it easy to use with an MCU in a closed-loop motor control system.
It has a built-in Hall-effect sensors interface and a Hall sensors voltage supply, so it can operate BLDC motors as a stand-alone controller/ driver.
Its sophisticated analog/mixed-signal state machine accommodates several modes of operation, including: Forward (CW), Reverse (CCW), Run/Stop, Braking, Variable Speed (External PWM), and Torque Limit (maximum-current-limit) modes.
Features • • • • • • • • • • Single-Supply Operation (8V–28V) Built-in Hall Sensors Controlled-Supply (VH) 3-Phase Hall Sensors Interface Two Tachometer Outputs (1X and 3X Hall Frequency) Adjustable Maximum Current Limit (Torque Limiting) Adjustable Stalled Rotor Detection and Protection Short Circuit Detection and Protection Over-Temperature Detection and Thermal Shutdown Undervoltage Detection and Shutdown Pb-Free Packaging Designated by Suffix Code EP.
34929 BRUSHLESS DC MOTOR DRIVER QFN SUFFIX 98ARH99033A 24-PIN QFN (4X4X1) ORDERING INFORMATION Device MC34929EP Temperature Range (TA) -0°C to 85°C Package 24 QFN CP 34929 V+ BDLC MOTOR CP+ CP- PWM RUN MCU DIR CRES V+ PHC PHB PHA LSS ISENS PGND VH HAB+ HABHBC+ HBCHCA+ HCA- 3XTACH TACH CT GND Figure 1.
34929 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.
, 2006.
All rights reserved.
INTERNAL BLOCK DIAGRAM INTERNAL...


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