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FD1157AH Schematic ( PDF Datasheet ) - Feeling Technology

Teilenummer FD1157AH
Beschreibung Smart motor driver
Hersteller Feeling Technology
Logo Feeling Technology Logo 




Gesamt 11 Seiten
FD1157AH Datasheet, Funktion
FEELING
TECHNOLOGY
FD1157AH
Smart motor driver with embedded Hall sensor
Features
Motor driver with integrated Hall sensor
Lock-shutdown protection & auto-restart function
Precise magnetic switching thresholds
“Soft-switch” phase-switching technique to reduce vibration and acoustic noise
Thermal shutdown protection
Available in SIP-4L packages
For 12V systems
Halogen Free
General Description
FD1157AH is a two 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.
Rev1.0 May 21, 2012
P.1






FD1157AH Datasheet, Funktion
FEELING
TECHNOLOGY
Application Circuit Reference
Vcc
D1
1157A
YM V-XX
FD1157AH
R1
C1 D2
Figure.10
Note: C1=1uF, R1=2~5 ohm(option),D2(option) breakdown voltage 16V
Rev1.0 May 21, 2012
P.6

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