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BD6701F

Datasheet

Datasheet

TSZ02201-0H1H0B100510-1-2

© 2012 ROHM Co., Ltd. All rights reserved.

18.DEC.2012 Rev.002

www.rohm.com

●Description of operations

1) Lock protection and automatic restart

○Incorporated counter system

Motor rotation is detected by hall signal, and lock detection ON time (TON) and lock detection OFF time (TOFF) are set

by IC internal counter. Timing chart is shown in Fig.13.

Fig.13 Lock protection (incorporated counter system) timing chart

H+

Hi (Open collector)

Motor

locking

Lock

detection

Lock

release

OUT1

AL

Output Tr OFF

TON

TOFF

ON

Recovers

normal operation

OUT2

FG