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参数资料
| 型号： | L6254 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 2.1 A, PQFP44 |
| 封装： | 10 X 10 MM, TQFP-44 |
| 文件页数： | 4/17页 |
| 文件大小： | 170K |
| 代理商： | L6254 |
INTERNAL REGISTER 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.
1
THERM_WARN
Thermal Shutdown Warning =0 indicates that the chip temperature is
approximately 25°C before the device goes in thermal shut down.
2
ROTOR_STUCK
0 = A sequential Spindle BEMF has not been detected
3
FAULT
1 = Rapid deceleration of the Spindle motor or High frequency on FCOM signal.
4
MASK_TIME
Mask Time toggled to "0" indicates that the Spindle BEMF is masked.
5
ERROR_LOCK
0 = Indicates error Spindle speed > 16msec/sample, either electrical or
mechanical.
6
ALIGN
0 indicate that the Spindle is in the Internal Start-Up Align Phase.
7
GO
0 indicate that the Spindle is in the Internal Start-Up Go Phase.
Reg:
Name:
Type:
Address:
8
Spindle FLL Register
Write only
8Eh
BIT
LABEL
DESCRIPTION
0
SSLEW
Spindle PWM (chopping) Slew Rate. 0 = 10V
S, 1 = 20VS
1
ICP
Spindle FLL Charge pump current. 1= 25
A, 0 = 100A.
2
Unused. Set = 0.
3
ISNS
1 = Puts output of the Spindle sense amplifier on FCOM pin and changes limit to
roughly 1/3 of normal.
4
IL1
Adjust maximum voltage on Spindle Rsense
5
IL0
Adjust maximum voltage on Spindle Rsense
6
CPL
1 = Spindle FLL Charge pump low
7
CPH
1 = Spindle FLL Charge pump high
"IL0"
"IL1"
"ISNS"
V(I_SENSE) LIMIT (
±10%)
0
0.45V
1
0
0.50V
0
1
0
0.55V
1
0
0.75V
0
1
0.15V
1
0
1
0.20V
0
1
0.25V
1
0.30V
L6254
12/17
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相关代理商/技术参数 |
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| L6256 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:12V COMBO |
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