BD69740FV Series

Multifunction Single-phase Full-wave Fan Motor Driver

Catalog

Multifunction Single-phase Full-wave Fan Motor Driver

Part	Mounting Type	Interface	Package / Case	Voltage - Supply [Max]	Voltage - Supply [Min]	Supplier Device Package	Motor Type - Stepper	Technology	Applications	Operating Temperature [Max]	Operating Temperature [Min]	Output Configuration	Motor Type - AC, DC	Function
Rohm Semiconductor BD69740FV-GE2	Surface Mount	PWM	16-LSSOP	17 V	4.3 V	16-SSOP-B	Bipolar	CMOS	General Purpose	105 °C	-40 °C	Half Bridge (2)	Brushless DC (BLDC)	Driver - Fully Integrated Control and Power Stage

Catalog

Multifunction Single-phase Full-wave Fan Motor Driver

Key Features

• Pre-driver for external power transistors, Speed controllable by DC / direct PWM input, PWM soft switching, Soft start, Quick start, Current limit, Lock protection and automatic restart, Lock alarm signal (AL) output

Description

BD69740FV is a pre-driver that controls the motor drive part composed of the power transistors. It incorporates current limiting circuit, lock protection and automatic restart circuit, PWM soft switching circuit, soft start circuit, and quick start circuit. The pin is compatible with BD69730FV (rotation speed pulse signal output).