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Feeling Technology - Smart motor driver

Numéro de référence FD0251fR-G1
Description Smart motor driver
Fabricant Feeling Technology 
Logo Feeling Technology 





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FD0251fR-G1 fiche technique
FEELING
TECHNOLOGY
FD0251f
FD0255f
Smart motor driver with embedded Hall sensor
Features
Motor driver with integrated Hall sensor
High current driving capability
Halogen Free
Lock-shutdown protection & auto-restart function
Built-in FG(frequency generation) signal outputPrecise 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 FD0255f)
Available in both TS825(FD0251f) and TS826(FD0255f) packages
General Description
FD0251f/FD0255f 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.
Block Diagram
Bias Generator
Hall Plate
Oscillator
Power On
Reset
Chopper amplifier
Digital control logics
Figure.1
Coil Driver
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Rev1.2 Nov. 06, 2008
P.1

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