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| SA5664 Datasheet, PDF (8/12 Pages) Silan Microelectronics Joint-stock – 3-PHASE SPINDLE MOTOR DRIVER FOR CD-ROM | |||
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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. IVHâ¥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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