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FD2257H-G1

Description
Motor drive with Hall sensor
CategoryOther integrated circuit (IC)    Motor drive   
File Size245KB,12 Pages
ManufacturerFeeling Technology
Websitehttp://www.feeling-tech.com.tw/

Yuanxiang Technology Co., Ltd. was established in May 2001, with the goal of dedicating to the design, manufacturing, testing and sales of mixed signal ICs. The main products are magnetic field sensing and brushless DC motor driver ICs, power management ICs, microcontroller ICs, etc. With a professional R&D team, we have accumulated complete R&D experience over a long period of time, providing customers with different needs in digital and analog R&D integration; maintaining professional technical advantages, constantly innovating and changing, and becoming the most suitable partner to accompany customers' growth needs. ...... etc.

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FD2257H-G1 Overview

Motor drive with Hall sensor

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FEELING
TECHNOLOGY
Features
Motor driver with high sensitivity Hall-effect sensor
H-Bridge MOS driver
Lock-shutdown protection & auto-restart function
“Soft-switch” phase-switching technique to reduce vibration and acoustic noise
Thermal shutdown protection(TSD)
Available in SIP-4L package
For 12V or 24V DC motor / FAN systems
FD2257H
Smart motor driver with embedded Hall sensor
Halogen Free
General Description
FD2257H is a single-phase full wave motor driver with embedded Hall-effect sensor IC. It integrates a H-bridge
MOS driver, a high sensitivity hall-effect sensor, an event timer for rotor locked in SIP-4L package, which make the
motors’ PCBs(printed circuit boards) design easy and fabricate the high efficiency and high voltage DC motors or
FANs as simply as possible.
For safety, Lock-shutdown function would turn the IC’s internal drivers off avoiding over-heat when the rotor is
locked, and IC will try to re-start the rotor’s torque after the time of these drivers’ shutdown.
Thermal-shutdown protection (TSD) ensures the internal drivers of IC are operating under a safe operating
temperature range.
All the protection mechanisms mentioned above combine to provide a complete protecting scenario in the motor
system and avoid any possible damages and guarantee under a correct and safe operation.
Block Diagram
Bias Generator
Hall Plate
Chopper Amplifier
Oscillator
Digital Control Logic
(Event Timer)
H-Bridge
MOS Driver
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.
Rev1.1 June. 12, 2009
P.1
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