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FD0252B Datasheet(PDF) 1 Page - Feeling Technology Corp.

No. de pieza FD0252B
Descripción Electrónicos  Smart motor driver with embedded Hall sensor
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Fabricante Electrónico  FEELING [Feeling Technology Corp.]
Página de inicio  http://www.feeling-tech.com.tw/
Logo FEELING - Feeling Technology Corp.

FD0252B Datasheet(HTML) 1 Page - Feeling Technology Corp.

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FD0252b
FD0256b
Smart motor driver with embedded Hall sensor
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
FEATURES
Motor driver with integrated Hall sensor
High current driving capability
Lock-shutdown protection & auto-restart function
Built-in RD(rotation detection) signal output
“Soft-switch” phase-switching technique to reduce vibration and acoustic noise
Thermal shutdown protection
PWM speed control(only available for FD0256b)
Available in both T825(FD0252b) and T826(FD0256b) packages
GENERAL DESCRIPTION
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.
FD0252b/FD0256b is built-in the signal output of rotation detection function, the system could detect the rotation
status from this signal of motor when using FD0252b/FD0256b.
“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
Figure.1
Halogen
Free
Bias Generator
Coil Driver
Oscillator
Hall Plate
Reset
Power-On
Digital control logics
Chopper amplifier
PWM control


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