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发布者:来自网络 发布时间:2013-2-22 阅读:2983次    关键字: Hall sensor
FD0252-Smart motor driver embedded Hall sensor


FD0252 Smart motor driver with embedded Hall sensor
General Description
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FD0252b/FD0256b is a single coil motor driver with embedded Hall sensor. It integrates the motor driver with the Hall sensor, which simplifies the PCB(printed circuit board) design and make the fabrication of small-size motors possible.
Lock-shutdown and auto-restart function keeps the motor from being over-heated and restarts the motor after being locked.
¨Soft-switch〃 phase-switching technique is used to reduce the vibration and acoustic noise.
Thermal-shutdown protection ensures the motor driver to operate under specified temperature ranges.
All the protection mechanisms mentioned above combine to provide a complete protecting scenario for the motor system, keep the motor system from possible damages and guarantee correct operations.

Features
Motor Motor driver with integrated Hall sensor
High current driving capability
Lock-shutdown protection & auto-restart function
Built-in RD(Rotation Detect) signal output
Precise magnetic switching thresholds
¨Soft-switch〃 phase-switching technique to reduce vibration
and acoustic noise(patent pending)
Thermal shutdown protection
PWM speed control(only available for FD0256b)
Available in both T825(FD0252b) and T826(FD0256b) packages

Block Diagram

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