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PDF ( 数据手册 , 数据表 ) FD0252fR-G1

零件编号 FD0252fR-G1
描述 Smart motor driver
制造商 Feeling Technology
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FD0252fR-G1 数据手册, 描述, 功能
FEELING
TECHNOLOGY
FD0252f
FD0256f
Smart motor driver with embedded Hall sensor
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 FD0256f)
Available in both TS825(FD0252f) and TS826(FD0256f) packages
Halogen
Free
General Description
FD0252f/FD0256f 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.
FD0252f/FD0256f is built-in the signal output of rotation detection function, the system could detect the rotation
status from this signal of motor when using FD0252f/FD0256f.
“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
Oscillator
Power-On
Reset
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.
Rev1.3 Dec. 18, 2008
P.1







FD0252fR-G1 pdf, 数据表
FEELING
TECHNOLOGY
FD0252/0256 Output Waveforms Measurement
FD0252f
FD0256f
CH1: NO Output
CH2: SO Output
CH4: Input Current
Figure.10 Normal Operation Waveforms (FD0252f / FD0256f full speed mode)
CH1: RD Output
CH2: NO Output
CH3: SO Output
CH4: Input Current
Figure.11 Soft-Switching Waveforms (FD0252f / FD0256f full speed mode)
Rev1.3 Dec. 18, 2008
P.8














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