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參數(shù)資料
| 型號： | L6275 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO” |
| 中文描述： | 5V的磁盤驅(qū)動器主軸 |
| 文件頁數(shù)： | 12/17頁 |
| 文件大?。?/td> | 109K |
| 代理商： | L6275 |
INTERNALREGISTER DEFINITION
Reg:
Name:
Type:
Address:
7
Spindle Status Register
Read only
7Eh
BIT
LABEL
DESCRIPTION
0
THERMAL
Thermal Shutdown = 0 indicates that the chip temperature has exceeded 160
°
C.
The bit will reset (=1) when the temperature falls below 130
°
C. When Thermal
Shutdown =0, the spindle logic will tristate both high and low side drivers,
protecting the output circuitry.
Thermal Shutdown Warning =0 indicates that the chip temperature is
approximately 25
°
C before the device goes in thermal shut down.
0 = A sequential Spindle BEMF has not been detected
1 = Rapid deceleration of the Spindle motor or High frequency on FCOM signal.
Mask Time toggled to ”0” indicates that the Spindle BEMF is masked.
0 = Indicates error Spindle speed > 16msec/sample, either electrical or
mechanical.
0 indicate that the Spindle is in the Internal Start-Up Align Phase.
0 indicate that the Spindle is in the Internal Start-Up Go Phase.
1
THERM_WARN
2
3
4
5
ROTOR_STUCK
FAULT
MASK_TIME
ERROR_LOCK
6
7
ALIGN
GO
Reg:
Name:
Type:
Address:
8
Spindle FLL Register
Write only
8Eh
BIT
LABEL
DESCRIPTION
0
1
2
3
SSLEW
ICP
Spindle PWM (chopping) Slew Rate. 0 = 10V
μ
S, 1 = 20V
μ
s
Spindle FLL Charge pump current. 1= 25
μ
A, 0 = 100
μ
A.
Unused. Set = 0.
1 = Puts outputof the Spindle sense amplifier on FCOM pin and changes limit to
roughly 1/3 of normal.
Adjust maximum voltage on Spindle Rsense
Adjust maximum voltage on Spindle Rsense
1 = Spindle FLL Charge pump low
1 = Spindle FLL Charge pump high
ISNS
4
5
6
7
IL1
IL0
CPL
CPH
”IL0”
0
1
0
1
0
1
0
1
”IL1”
0
0
1
1
0
0
1
1
”ISNS”
0
0
0
0
1
1
1
1
V(I_SENSE) LIMIT (
±
10%)
0.45V
0.50V
0.55V
0.75V
0.15V
0.20V
0.25V
0.30V
L6275
12/17
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6278-1.2 | 制造商:STMicroelectronics 功能描述:ELECTRONIC COMPONENT |
| L6280 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:THREE CHANNELS MULTIPOWER DRIVER SYSTEM |
| L6281B12D | 制造商:ST MICRO 功能描述:New |
| L6282-3.2E | 制造商:STMicroelectronics 功能描述:L6282-3.2E |
| L6283-1.2 | 制造商:STMicroelectronics 功能描述:ELECTRONIC COMPONENT |
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