BD6973FV-LB 데이터 시트보기 (PDF) - ROHM Semiconductor

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BD6973FV-LB

Multifunction Single-phase Full-wave Fan Motor Driver

ROHM Semiconductor 

BD6973FV-LB

Datasheet

I/O Equivalence Circuit (Resistance values are typical)

1. Power supply pin, and

2. Hall input pins,

3. Minimum output duty setting

Ground pin

Output duty controllable input

pin

pin, and

Output current detection pin

Vcc

4. Soft start capacitor

connecting pin

Vcc

Vcc

Vcc

GND

Vcc

H+

H–

TH

CS

1kΩ

MIN

SS

1kΩ

1kΩ

30Ω

30Ω

5. High side output 1, 2 pins, 6. Low side output 1, 2 pins

and Speed pulse signal output

pin

REG

Vcc

7. Reference voltage output pin, 8. Oscillating capacitor

and Hall bias pin

connecting pin

Vcc Vcc

Vcc

Vcc

A1H

A2H

20Ω

FG

A1L

20Ω

A2L

36kΩ

31kΩ

REF

HB

1kΩ

1kΩ

OSC

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© 2013 ROHM Co., Ltd. All rights reserved.

TSZ22111・15・001

13/17

TSZ02201-0H1H0B100820-1-2

27.Feb.2014 Rev.002

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