OM5193 데이터 시트보기 (PDF) - Philips Electronics
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OM5193 Datasheet PDF : 56 Pages
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Philips Semiconductors
Disk drive spindle and VCM with
servo controller
Product specification
OM5193H
SYMBOL
SEEKSELECT
TRACKFWSELECT
VCMIN
VDDA1
CPOR
CHK5
CHK12
BRAKEPOWER
BRAKEADJH
BRAKEDELAY
PARKVOLT
VCMSENSEH
VCMSENSEL
GNDV
CLAMP2
CLAMP3
PWRBIAS1
HEATSINK
HEATSINK
HEATSINK
HEATSINK
IVCM
GNDVCM3
HEATSINK
HEATSINK
HEATSINK
HEATSINK
GNDVCM2
NIVCM
HEATSINK
GNDVCM1
MOTA
MOTSENSE3
MOTB
HEATSINK
MOTSENSE2
PWRBIAS2
HEATSINK
HEATSINK
HEATSINK
PIN
I/O
DESCRIPTION
41 analog input input for the seek mode
42 analog input input for the track-following mode
43 analog input VCM control input
44
supply 5 V analog supply voltage
45 analog input set the POR delay time
46 analog output set the VDDA1 POR threshold
47 analog output set the VDDA2 POR threshold
48 analog input brake power capacitor
49 analog input adjust current consumption during park mode
50 analog input set the brake-after-park delay time
51 analog input set the park voltage
52 analog input positive input of the VCM sense amplifier
53 analog input negative input of the VCM sense amplifier
54
ground VCM ground connection
55
supply power stage supply voltage
56
supply power stage supply voltage
57 analog input power stages isolation bias; externally connected to the clamp
58
−
dissipation pin; internally connected to the leadframe
59
−
dissipation pin; internally connected to the leadframe
60
−
dissipation pin; internally connected to the leadframe
61
−
dissipation pin; internally connected to the leadframe
62 analog output inverted output of the VCM (master stage)
63
ground VCM power stage ground
64
−
dissipation pin; internally connected to the leadframe
65
−
dissipation pin; internally connected to the leadframe
66
−
dissipation pin; internally connected to the leadframe
67
−
dissipation pin; internally connected to the leadframe
68
ground VCM power stage ground
69 analog output non-inverted VCM output (slave stage)
70
−
dissipation pin; internally connected to the leadframe
71
ground VCM power stage ground
72 analog output spindle motor power output
73 analog output sense line of the spindle
74 analog output spindle motor power output
75
−
dissipation pin; internally connected to the leadframe
76 analog output sense line of the spindle
77 analog input power stages isolation bias; externally connected to the clamp
78
−
dissipation pin; internally connected to the leadframe
79
−
dissipation pin; internally connected to the leadframe
80
−
dissipation pin; internally connected to the leadframe
1998 Nov 02
11
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