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UH288F - COMPLEMENTARY OUTPUT HALL EFFECT FAN DRIVER

Datasheet Summary

Description

UTC UH288F(FG)/UH288R(RD) are integrated Hall sensors with output drivers, mainly designed for electronic commutation of brush-less DC Fan.

Features

  • S.
  • Wide operating voltage range: 4V~28V.
  • Output sink current up to 0.3A.
  • On-Chip High sensitivity Hall-effect Sensor.
  • Thermal Shutdown Protection.
  • Low Output Switching Current Noise.
  • -40°C ~ 85°C Operating Temperature.
  • Rotor-locked shutdown and automatically restart function.
  • For 12V and 24V DC motor / FAN systems.

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Datasheet preview – UH288F

Datasheet Details

Part number UH288F
Manufacturer UTC
File Size 168.71 KB
Description COMPLEMENTARY OUTPUT HALL EFFECT FAN DRIVER
Datasheet download datasheet UH288F Datasheet
Additional preview pages of the UH288F datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD UH288F/R LINEAR INTEGRATED CIRCUIT COMPLEMENTARY OUTPUT HALL EFFECT FAN DRIVER  DESCRIPTION UTC UH288F(FG)/UH288R(RD) are integrated Hall sensors with output drivers, mainly designed for electronic commutation of brush-less DC Fan. This IC is using HV BCD process internally includes the regulator, protecting diode, Hall plate, amplifier, comparator, and a pair of complementary open-Drain outputs (DO, DOB). To avoid coil burning, rotor-lock shutdown detection circuit shut down the output driver if the rotor is blocked and then the automatic recovery circuit will try to restart the motor. This function repeats while rotor is blocked. Until the blocking is removed, the motor recovers running normally.
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