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FD0251b

Feeling Technology
Part Number FD0251b
Manufacturer Feeling Technology
Description Smart motor driver
Published Jul 21, 2014
Detailed Description FEELING TECHNOLOGY FEATURES FD0251b FD0255b Smart motor driver with embedded Hall sensor Motor driver with integrated ...
Datasheet PDF File FD0251b PDF File

FD0251b
FD0251b

Overview
FEELING TECHNOLOGY FEATURES FD0251b FD0255b Smart motor driver with embedded Hall sensor Motor driver with integrated Hall sensor Halogen High current driving capability Free Lock-shutdown protection & auto-restart function Built-in FG(frequency generation) signal output “Soft-switch” phase-switching technique to reduce vibration and acoustic noise Thermal shutdown protection PWM speed control(only available for FD0255b) Available in both T825(FD0251b) and T826(FD0255b) packages GENERAL DESCRIPTION FD0251b/FD0255b 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.
FD0251b and FD0255b are built-in the signal output of rotation speed function, the system could detect the rotation speed of motor when using FD0251b and FD0255b.
“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 Chopper amplifier PWM control Coil Driver Oscillator Digital control logics Power-On Reset Figure.
1 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.
9 Dec.
18, 2008 P.
1 FEELING TECHNOLOGY PIN CONNECTION PWM VDD SO VDD SO FD0251b FD0255b 5 4 6 5 4 bb 1 2 3 VSS FG NO g ba 1 2 3 VSS NO FG g FD0251b ...


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