OM5193 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
OM5193 Datasheet PDF : 56 Pages
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Philips Semiconductors
Disk drive spindle and VCM with
servo controller
Product specification
OM5193H
6 BLOCK DIAGRAMS
Figures 1, 2, 3 and 4 provide block diagrams of the OM5193H servo and motor control (top level diagram, servo
controller, spindle motor driver and voice coil motor driver).
handbook, full pagewidth
MOTA MOTB MOTC
BRAKEDELAY PARKVOLT
BRAKEPOWER BRAKEADJH
CLAMP1
CLAMP2
CLAMP3
SLEW
SPCCOUT
SPCC
MOTSENSE3
MOTSENSE2
MOTSENSE1/
SPSENSEH
GNDS/SPSENSEL
CT
ZCROSS
CLOCK
SCLOCK
SDEN
SDATA
SCANTEST
VDDA1
VDDA2
AGND
INTINN
INTIN
ADC[0]/INTOUT
PESAMPN
PESAMP
ADC[1]/DIFOUT
CLAMP
10
55
56
12
14
13
73
76
2
11
9
25
72
74
3
POWER
STAGE
SPINDLE
CONTROL
COMA
COMB
COMC
ACROSS
BCROSS
CCROSS
COMMUTATION
LOGIC
48
50
49
51
PARK AND BRAKE
1, 4 to 7,
58 to 61, 64 to 67,
70, 75, 78 to 80
18
20
27
THERMAL
SHUTDOWN
8
16
CHARGE
17
PUMP
18
OM5193H
46
POWER-ON
47
RESET
45
24
19
23
SERIAL
21
INTERFACE
57
22
77
26
44
15
7-CHANNEL
39
10-BIT ADC
0123456
37
38 A2
0.5VDDA1
28
10-BIT
VCM DAC
BANDGAP
69
71
68
VCM POWER
CONTROL STAGE
63
54
35
THERMAL
VCM
62
36 A1
MONITOR
SWITCH
29
30 31 32 33
34 40 42 41
43 53 52
CLAMP
MGM972
ADC[2]/SOUT
ADC[5]
DACOUT
SEEKSELECT VCMIN VCMSENSEH
ADC[3] ADC[4]/TEMP
REF2V5 TRACKFWSELECT VCMSENSEL
HEATSINK
VDDD
DGND
SWITCHGATE
BSTCP1
BSTCP2
CAPY
CHK5
CHK12
CPOR
POR
PWRBIAS1
PWRBIAS2
NIVCM
GNDVCM1
GNDVCM2
GNDVCM3
GNDV
IVCM
1998 Nov 02
Fig.1 Block diagram, top level.
6
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