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MH477

MST
Part Number MH477
Manufacturer MST
Description Single Phase Fan Motor Driver IC
Published Sep 27, 2018
Detailed Description MH 477 Single Phase Fan Motor Driver IC MH477 is the integrated Hall sensor with output drivers designed for electrical ...
Datasheet PDF File MH477 PDF File

MH477
MH477

Overview
MH 477 Single Phase Fan Motor Driver IC MH477 is the integrated Hall sensor with output drivers designed for electrical commutation of brush-less DC motor application.
The devices are included as follows: on-chip Hall voltage generator for magnetic sensing; the amplifier that amplifies the Hall voltage; a comparator is to provide switching hysteresis for noise rejection; the bi-direction drivers for sinking and driving large current load.
Internal band gap regulator is used to provide temperature compensated bias for internal circuits and allows a wide operating supply voltage range.
If a magnetic flux density larger than threshold Bop, DO is turned to sink and DOB is turned to drive.
The ou...


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