RT8749 - Digital Single-Phase Full Wave BLDC Fan Controller

Product Overview

Richtek

Part number	RT8749
Manufacturer	Richtek
File Size	102.93 KB
Description	Digital Single-Phase Full Wave BLDC Fan Controller
Datasheet	RT8749 Datasheet
Additional preview pages of the RT8749 datasheet.

The RT8749 is a highly integrated digital control IC for regulating single-phase full wave brushless DC (BLDC) fans at a programmed speed.

including the peak-current limit, thermal shutdown protection, under-voltage protection and motor lock protection. An automatic restart circuit is designed to rotate the motor after the lock condition is released. Features.
Embedded 256 x 16 Bits Flash Memory.
Built-in Low RDS(ON) Power MOSFET.
External PWM Speed Control.
Wide Range External PWM Input Frequency (100Hz to 100kHz).
Built-in Frequency Generator with Selectable FG or FG/2 Output Signal.
Built-in Peak.

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Published: May 27, 2016 |