FD1257H-G1数据手册AAT中文资料规格书

描述 Description

\tFD1257H is a single-phase full-wave DC 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 DC motors or FANs as simply as possible. 

\tFor 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. 

\tThermal-shutdown protection(TSD) ensures the internal drivers of IC are operating under a safe operating temperature range. 

\tAll 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.

特性 Features

• Built-in high sensitivity Hall-effect sensor
• H-Bridge high current MOS driver output
• Output BTL soft-switching to reduce vibration and acoustic noise
• Lock-shutdown protection & auto-restart function
• Thermal shutdown protection
• Available in SIP-4L package
• For 12V BLDC motor / FAN systems

应用 Application

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