- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄365564 > SI9993CS (Vishay Intertechnology,Inc.) 12-V VCM/Spindle Motor Driver for Large Capacity HDD PDF資料下載
參數(shù)資料
| 型號： | SI9993CS |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | 12-V VCM/Spindle Motor Driver for Large Capacity HDD |
| 中文描述： | 12 V的氯乙烯/主軸電機驅(qū)動器的大容量硬盤 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 419K |
| 代理商： | SI9993CS |
Si9993CS
Vishay Siliconix
FaxBack 408-970-5600, request 70653
www.siliconix.com
S-60752–Rev. A, 05-Apr-99
15
REG4
(xx1xxxx)
Driver Controls
D7/D6
Tblank(on)
PWM On-Time Blanking Pulse Adjust (F
SYSCLK
= 5 MHz)
“00”
=
1.4 μs
“10”
=
0.6 μs
“01”
“11”
=
=
1.8 μs
1.0 μs
D5/D4
Tblank(off)
PWM Off-Time Blanking Pulse Ratio:
“00”
=
(80 to 88%) of Selected PWM Off-Time
“01”
=
(80 to 88%) of Selected PWM Off-Time
“10”
=
(80 to 88%) of Selected PWM Off-Time
“11”
=
3
(80 to 88%) of Selected PWM Off-Time
D3
VCMsr
VCM Output Slew Rate Control Option:
“0”
=
No slew rate limit at outputs -->
“1”
=
Slew rate limit enabled -->
T(p-ch) = T(n-ch)
≤
0.1 μs
T(p-ch) = T(n-ch)
≈
1 μs
D2/D1
SPINsr
Spindle Output Slew Rate Control Select:
“00”
=
No slew rate limit at outputs -->
“01”
=
Slew rate limit enabled -->
T(p-ch) = T(n-ch)
≤
0.1 μs
T(p-ch) = 0.5 x T(SRADJ)
T(n-ch) = T(SRADJ)
T(p-ch) = T(SRADJ)
T(n-ch) = 0.5 x T(SRADJ)
T(p-ch) = T(SRADJ)
T(n-ch) = T(SRADJ)
“10”
=
Slew rate limit enabled -->
“11”
=
Slew rate limit enabled -->
Note: T(SRADJ) = Rise or fall time set by resistor at SRADJ pin.
D0
QCOM
Quiet Commutation (low torque ripple) Option
REG5
(x1xxxxx)
Spindle
Command
D7/D6
Spindle Control
Spindle Motor Enable/Disable Control:
“00”
=
Spindle amplifiers unbiased and state machines reset. Spindle output drivers in tri-state.
“01”
=
Spindle amplifiers unbiased and state machines reset. Spindle motor brake always on.
“10”
=
All amplifiers unbiased and state machines reset. Motor shutdown sequence
commences with tri-state output for a period of Tvcmdly, followed by spindle brake. Note
this command will force a head retract, but will not affect the content of REG0.
“11”
=
Spindle drivers fully enabled for normal operation.
D5/D4
Gmsel(spin)
Spindle Transconductance Select (A/V):
“11”
=
1.60
“01”
=
0.40
“10”
“00”
=
=
0.80
0.10
D3
Direct PWM
STEPCLK Pin Function Select:
“1”
=
Direct PWM Input (steady running state only)
“0”
=
Start-up step clock
D2/D1
(F/I)
tsample
Commutation F/I Sample Time:
“00”
=
FCOM/12
“10”
=
FCOM/102
400 ns
50 ns
“01”
“11”
=
=
FCOM/38
FCOM/128
133 ns
40 ns
D0
(F/I)
spdup
F/I Speed-Up Circuit Select:
“0”
=
On
“1”
=
Off
TABLE 2.
Serial Port Definitions (Register Address = A
6
A
5
A
4
A
3
A
2
A
1
A
0
) (Continued)
Register
Bit No.
Name
Function
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Si9993CS | 12-V VCM/Spindle Motor Driver for Large Capacity HDD(用于大容量硬盤驅(qū)動的12V 語音線圈/心軸電機驅(qū)動器) |
| SID1003 | 5phi Round Infrared LED |
| SID1003BQ | 5phi Round Infrared LED |
| SID1G307C | 5phi Round Infrared LED |
| SID300 | 5phi Round Infrared LED |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI-A1125 | 制造商:DIOTEC 制造商全稱:Diotec Semiconductor 功能描述:High Voltage Si-Rectifier Modules Si-Hochspannungs-Gleichrichter Module |
| SI-A1125/500-6 | 制造商:DIOTEC 制造商全稱:Diotec Semiconductor 功能描述:High Voltage Si-Rectifier Modules Si-Hochspannungs-Gleichrichter Module |
| SI-A1125_09 | 制造商:DIOTEC 制造商全稱:Diotec Semiconductor 功能描述:High Voltage Silicon Rectifier Diodes |
| SI-A1125_13 | 制造商:DIOTEC 制造商全稱:Diotec Semiconductor 功能描述:High Voltage Silicon Rectifier Diodes |
| SIA1441 | 制造商: 功能描述: 制造商:undefined 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。