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L7200 데이터시트(PDF) 4 Page - STMicroelectronics

부품명 L7200
상세설명  MOZART, 12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL "COMBO?
PDF  23 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7200 데이터시트(HTML) 4 Page - STMicroelectronics

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L7200
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PIN FUNCTION
Pin Types: D = Digital, P = Power, A = Analog
N°
Pin Name
Description
Type
1,2
VCC
+12V Power Supply after ISOFET.
P
3,4
VPS
+12V Power Supply.
P
5
GND
Power Ground (substrate).
P
6
SYSCLK
Clock Frequency for system timers and counters
D
7
FCOM
Output of Spindle zero crossing or Current Sense circuit
D
8
VDD
Digital +5V Supply
D
9
BRAKE
Storage capacitor for brake circuit. Typically 5.9V
A
10
ISENSE
Input to sense the voltage of the SPINDLE Sense Resistor.
A
11
CTAP
Spindle Center Tap used for Differential BEMF sensing
A
12
GAINRES
External resistor for VCM switch gain.
A
13
VBOOST
External main Charge Pump Capacitor (typically VCC+5.8V)
A
14
PUMP
External Charge Pump
A
15
SSOUT
Shock Sensor detector Digital Output
D
16
SSFOUT
Shock Sensor detector filter Output
A
17
SSFIN
Shock Sensor detector filter Input
A
18
SSBUFOUT
Shock Sensor detector amplifier Output
A
19
SSIN
Shock Sensor detector amplifier Input
A
20
TR_2.5V
Set Point Input for 2.5V Supply monitor
A
21
TR_3.3V
Set Point Input for 3.3V Supply monitor
A
22
TR_5V
Set Point Input for 5V Supply monitor
A
23
TR_12V
Set Point Input for 12V Supply monitor
A
24
AGND
Analog Ground
A
25
AVCC
+12V analog Supply (after ISOFET)
P
26
RBIAS
External resistor for setting accurate bias current
A
27
VREG2.5_DR
2.5V positive regulator drive output
A
28
VREG2.5_IN
2.5V positive regulator sense input
A
29
VREG3.3_DRV
3.3V positive regulator drive output
A
30
VREG3.3_IN
3.3V positive regulator sense input
A
31
PORB
Power On Reset Output
A
32
DAC_OUT
Output of VCM DAC
A
33
VREG8_DRV
8V positive regulator drive output
A



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