AN8480NSB 查看數據表（PDF） - Panasonic Corporation

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AN8480NSB

3-phase full-wave motor driver IC

Panasonic Corporation 

ICs for Compact Disc/CD-ROM Player

AN8480NSB

3-phase full-wave motor driver IC

I Overview

The AN8480NSB is a 3-phase full-wave motor

driver IC with a reverse rotation brake/short brake

changeover function, incorporating a thermal pro-

tection circuit with its protection monitor pin.

18.40±0.20

(5.15)

(4.80)

28

22

21

15

Unit: mm

(1.315)

I Features

• 3-phase full-wave and snubberless

• FG output

• Current limit

• Reverse rotation prevention

• Thermal protection circuit built-in (with thermal

protection monitor pin)

I Applications

• Various types of optical disk drive

I Block Diagram

1

7

8

14

0° to 10°

0.65±0.20

(1.20)

(6.40)

0.80

0.35

+0.10

–0.05

Seating plane

HSOP042-P-0400

Note) The package of this product will be changed to lead-free type

(HSOP042-P-0400D). See the new package dimensions section

later of this datasheet.

2

H1+

3

H1−

5

H2+

H2− 6

H3+ 8

H3− 9

7

VH

Hall

amp.

matrix

Direction

changeover

Detection

Hall

bias

Direction

detection

ER

Logic

EP = ER × ΕΑ

Upper side

distribution Amp.

Lower side Amp.

distribution

18

EC

17

ECR

EA

Absolute

value

Start/stop

VTL

Thermal

protection

circuit

Brake

circuit

21

VM

22

CS1

28

A1

27

A2

26

A3

1

PG

FG

comparator

12

FG

Publication date: November 2001

SDD00006BEB

1

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