UF2768G-SM2-R datasheet(1/8 Pages) UTC

No de pièce	UF2768G-SM2-R

Description	THREE-PHASE SINE-WAVE SENSOR-LESS FAN MOTOR DRIVER

PDF	8 Pages

Scroll/Zoom	100%

Fabricant	UTC [Unisonic Technologies]

Site Internet	http://www.utc-ic.com

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1 / 8 page

UNI SONI C TECHNOLOGI ES CO., LTD

UF2768

Preliminary

CMOS IC

www.unisonic.com.tw

1 of 8

QW-R140-012.a

T H REE-PH ASE SI N E-WAV E

SEN SOR-LESS FAN M OT OR

DRI V ER



DESCRI PT I ON

The UF2768 provides all the circuitry for sensor-less speed

control of three-phase brushless DC motor. The Sine-wave

Driver Method will be better low-noise. The controller functions

include start-up circuit, back-EMF commutation control, Pulse

Width Modulation (PWM) speed control, lock protection, and

thermal shutdown circuit.

The UF2768 is suitable for both game machine and CPU

cooler that need silent drivers.



FEAT U RES

* Three-Phase class sin wave driver method

* Three-Phase Full-Wave Sensor-Less Drive Method

* Adjustable Forced Commutation Frequency (for Start-up)

* Built-In External PWM Speed Control

* Built-In Quick Start Function

* FG (Rotation Speed Detection) Output

* Soft Switching Circuit (for Noise Reducing)

* Power Saving Function (PWM Duty Input is 0%)

* Built-In Lock Protection and Auto Restart Function

* Thermal Shutdown Circuit

MSOP-10

DFN3030-10

1



ORDERI N G I N FORM AT I ON

Ordering Number

Lead Free

Halogen Free

Package

Packing

UF2768L-SM2-R

UF2768G-SM2-R

MSOP-10

Tape Reel

UF2768L-K10-3030-R

UF2768G-K10-3030-R

DFN3030-10

Tape Reel

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