UNISONIC TECHNOLOGIES CO., LTD

UM2640

Preliminary

CMOS IC

www.unisonic.com.tw

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Copyright © 2011 Unisonic Technologies Co., Ltd

QW-R109-027.b

TWO-PHASE UNIPOLAR DC

BRUSHLESS MOTOR

PRE-DRIVER IC

DESCRIPTION

UTC UM2640 is a 2-phase pre-driver IC for unipolar DC brushes

motors. It features high voltage bipolar technology so that the driver

works up to 48V. High voltage operation delivers more power and

improves power supply efficiency. Therefore, it is suitable for high

voltage fan motor applications.

FEATURES

* Wide supply voltage range of 4V~55V

* Absolute Maximum Voltage 60V

* Lock protection.

Auto-restart when the motor lock is undone.

* Lock Alarm Output Terminal

ORDERING INFORMATION

Ordering Number

Lead Free

Halogen Free

Package

Packing

UM2640L-SO8-R

UM2640G-SO8-R

SOP-8

Tape Reel

UM2640L-SO8-T

UM2640G-SO8-T

SOP-8

Tube