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
7 PINNING
SYMBOL
PIN
I/O
DESCRIPTION
HEATSINK
1
−
dissipation pin; internally connected to the leadframe
MOTSENSE1/SPSENSEH 2
analog I/O sense line of the spindle/spindle sense amplifier input
MOTC
3 analog output spindle motor power output
HEATSINK
HEATSINK
4
−
dissipation pin; internally connected to the leadframe
5
−
dissipation pin; internally connected to the leadframe
HEATSINK
6
−
dissipation pin; internally connected to the leadframe
HEATSINK
7
−
dissipation pin; internally connected to the leadframe
SWITCHGATE
8 analog output isolation FET driver
CT
9 analog input centre tap of the spindle
CLAMP1
10
supply power stage supply voltage
GNDS/SPSENSEL
11
ground spindle ground connection/spindle sense amplifier ground
SLEW
12 analog input spindle motor slope control
SPCC
13 analog input spindle current control
SPCCOUT
14 analog input compensation point of the spindle current control loop
VDDA2
BSTCP1
15
supply 12 V analog supply voltage
16
analog I/O booster capacitor 1
BSTCP2
17
analog I/O booster capacitor 2
CAPY
18 analog output DC-to-DC converter output (19 V)
POR
19
digital I/O power-on reset signal; active LOW
VDDD
SDEN
20
supply 5 V digital supply voltage
21 digital input serial interface data enable; active LOW
SDATA
22
digital I/O serial interface data line
SCLOCK
23 digital input serial interface clock line
CLOCK
24 digital input clock input
ZCROSS
25 digital output zero crossing detection signal
SCANTEST
26 digital input scantest mode control; at LOW-level in normal conditions
DGND
27
ground servo digital ground
ADC[0]/INTOUT
28
analog I/O ADC channel 0 input/output of the A2 amplifier
ADC[1]/DIFOUT
29
analog I/O ADC channel 1 input/output of the A1 amplifier
ADC[2]/SOUT
30
analog I/O ADC channel 2 input/VCM sense amplifier output
ADC[3]
31 analog input ADC channel 3 input
ADC[4]/TEMP
32
analog I/O ADC channel 4 input/temperature monitor, thermal shutdown
ADC[5]
33 analog input ADC channel 5 input
DACOUT
34 analog output 10-bit VCM DAC output
PESAMPN
35 analog input inverting input of the A1 amplifier.
PESAMP
36 analog input non-inverting input of the A1 amplifier
INTINN
37 analog input inverting input of the A2 amplifier
INTIN
38 analog input non-inverting input of the A2 amplifier
AGND
39
ground servo analog ground
REF2V5
40 analog output 2.5 V bandgap reference voltage
1998 Nov 02
10
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