SA5664 데이터 시트보기 (PDF) - Silan Microelectronics

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SA5664

3-PHASE SPINDLE MOTOR DRIVER FOR CD-ROM

Silan Microelectronics 

SA5664

Pin 18

Short brake

High

ON

Low

OFF

When the short brake function is active, all upper power TRs turn off and all lower power TRs turn on, and the

motor slows down.

(8) Hall Sensor Connection

Hall element can be used with both series connection and parallel connection.

Please set hall input voltage at 1.0~4.0V and Hall minimum input level over 50mVpp.

And estimate the value of resistance to VH pin and VCC pin. There considering the current into the hall element.

When use without the resistance to VH pin. IVH≥5mA is recommended.

Fig.7

VCC

VCC

Hall 1

Hall 2

Hall 3

Hall 1

Hall 2

Hall 3

PIN15 VH

/Parallel connection

(9) FG (1X) output, FG2 (2X) output

Fig.8

PIN15 VH

/Serial connection

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:1.1 2005.08.09

Page 8 of 12

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