參數(shù)資料
型號(hào): L7200
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: DISK DRIVE MOTOR CONTROLLER, 2.6 A, PQFP64
封裝: TQFP-64
文件頁數(shù): 18/23頁
文件大?。?/td> 262K
代理商: L7200
L7200
4/23
PIN FUNCTION
Pin Types: D = Digital, P = Power, A = Analog
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
相關(guān)PDF資料
PDF描述
L7250 VOICE COIL MOTOR CONTROLLER, PQFP64
L7980A 3.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L7980 3.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L7980TR 3.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L7981ATR SWITCHING REGULATOR, DSO8
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