KA8328 データシートの表示（PDF） - Fairchild Semiconductor

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KA8328

2-PHASE DRUM MOTOR DRIVER

Fairchild Semiconductor 

VCR PRODUCTS

2-PHASE DRUM MOTOR DRIVER

The KA8328D is a monolithic integrated circuit, and it is

suitable for drum motor driver of VCR system.

20-SOP-300

KA8328D

FEATURES

• 2-phase, full-wave, linear BLDC motor driver with 2 hall sensors

• Built-in voltage or current control circuit.

• Built-in regulated power supply for hall devices.

• Built-in thermal shutdown (TSD) circuit.

ORDERING INFORMATION

• Built-in hall amp.

Device Package Operating Temperature

• High output current

KA8328D 20-SOP-300

−25°C ~ +75°C

TARGET APPLICATIONS

• VCR drum motors

BLOCK DIAGRAM

GND2

GND1

VCC1

NC

NC

OUTPUT2- OUTPUT2+ (Power) (Power) OUTPUT1- OUTPUT1+ (Power)

NC

20

19

18

17

16

15

14

13

12

11

GM1

OUT1

AMP1

IN1

OUT2

AMP2

IN2

V-I CTL

GM1

TSD

Each

Block

VREG

1

2

VCC2

ICTL

(Signal)

3

4

5

6

VCTL

VCC

GND

NC

(Signal) (Signal)

7

VHALL1

8

VCOM

9

VHALL2

10

VREG

© 1999 Fairchild Semiconductor Corporation

MIC-99D001

January 1999

Rev. B

1

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