BD6973FV-LBE2 데이터 시트보기 (PDF) - ROHM Semiconductor

부품명

상세내역

일치하는 목록

BD6973FV-LBE2

Multifunction Single-phase Full-wave Fan Motor Driver

ROHM Semiconductor 

BD6973FV-LB

Pin Configuration

FG 1

OSC 2

MIN 3

TH 4

REF 5

Vcc 6

A1H 7

A1L 8

(TOP VIEW)

16 GND

15 H–

14 HB

13 H+

12 SS

11 CS

10 A2H

9 A2L

Figure 1. Pin Configuration

Block Diagram

Datasheet

Pin Description

P/No. P/Name

1

FG

2

OSC

3

MIN

4

TH

5

REF

6

Vcc

7

A1H

8

A1L

9

A2L

10

A2H

11

CS

12

SS

13

H+

14

HB

15

H–

16

GND

Function

Speed pulse signal output pin

Oscillating capacitor connecting pin

Minimum output duty setting pin

Output duty controllable input pin

Reference voltage output pin

Power supply pin

High side output 1 pin

Low side output 1 pin

Low side output 2 pin

High side output 2 pin

Output current detection pin

Soft start capacitor connecting pin

Hall + input pin

Hall bias pin

Hall – input pin

Ground pin

1 FG

2 OSC

3 MIN

TH

4

5 REF

Vcc

6

Vcc

A1 H

7

SIGNAL

OUTPUT

PWM SOFT

SWITCHING

TSD

GND 16

OSC

PWM

COMP

H AL L

AMP

H AL L

COMP

HALL

BIAS

H– 15

HB 14

PWM

COMP

CONTROL

LOGIC

QUICK

START

LOCK

PROTECT

Vcl

REF

REG

SOFT START

& CURRENT

LIMIT COMP

PRE-

DRIVER

REG

H+

13

12

SS

CS 11

A2 H

10

8 A1L

A2L 9

I/O Truth Table

Hall Input

H+

H–

A1H

H

L

Hi-Z

L

H

L

H; High, L; Low, Hi-Z; High impedance

FG output is open-drain type.

Figure 2. Block Diagram

Driver Output

A1L

A2H

A2L

FG

H

L

L

Hi-Z

L

Hi-Z

H

L

www.rohm.com

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

TSZ22111・15・001

2/17

TSZ02201-0H1H0B100820-1-2

27.Feb.2014 Rev.002

Share Link: