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REV. B

STRUCTURE

Silicon monolithic integrated circuits

PRODUCT SERIES

Bipolar stepping motor driver

TYPE

BD6389FM

FUNCTION

・PWM constant current controllable two H bridge driver

・Built-in translator circuit for CLK-IN control

・Full, Half, Quarter step

・Mixed Decay control

・Parallel IN control

○Absolute maximum ratings(Ta=25℃)

Item

Symbol

Limit

Unit

Supply voltage

-0.2～+36.0

V

Power dissipation

Pd

2.8

W

5.2

W

Input voltage for control pin

-0.2～+5.5

V

RNF maximum voltage

0.5

V

Maximum output current

2.2

A/phase

Operating temperature range

-25～+75

℃

Storage temperature range

-55～+150

℃

Junction temperature

150

℃

○Operating conditions (Ta=-25～+75℃)

Item

Symbol

Min

Typ

Max

Unit

Supply voltage

10

24

28

V

Output current

-

1.7

1.9

A/phase

This product isn’t designed for protection against radioactive rays.