KA8329B データシートの表示（PDF） - Fairchild Semiconductor

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KA8329B

3-PHASE CAPSTAN MOTOR DRIVER

Fairchild Semiconductor 

VCR PRODUCTS

KA8329B

3-PHASE CAPSTAN MOTOR DRIVER

The KA8329B is a monolithic integrated circuit, and it is

suitable for 3-phase capstan motor driver of VCR system.

32-SDIPH-400

FEATURES

• 3-phase, full-wave, linear BLDC motor driver with 3 hall sensors

• Built-in TSD (Therml shutdown) circuit

• Built-in torque ripple control circuit

• Built-in output current limiter

• Motor speed control

• High output current

ORDERING INFORMATION

• Built-in FG amplifier with sinusoidal waveforms

Device

Package Operating Temperature

• Built-in hall amplifier

KA8329B 32-SDIPH-400

−25°C ~ +75°C

• Built-in CW and CCW circuit

TARGET APPLICATION

• VCR capstan motors

BLOCK DIAGRAM

32 31 30 29

28 27

26 25

24 23 22 21 20 19

1.25V

18 17

CW & CCW

1.8k

2.5V

56k − +

1.8k

−+

56k

−+

−+

++ −

TSD

LOGIC

+−

+−

+−

1

2

3

4

5

6

7

8

9

10

11 12 13 14 15

16

© 1999 Fairchild Semiconductor Corporation

MIC-99D001

January 1999

Rev. B

1

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