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參數資料
| 型號： | M56787FP |
| 廠商： | Mitsubishi Electric Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | SPINDLE MOTOR DRIVER |
| 中文描述： | 主軸馬達驅動 |
| 文件頁數： | 4/8頁 |
| 文件大?。?/td> | 150K |
| 代理商： | M56787FP |
SPINDLE MOTOR DRIVER
M56787FP
MITSUBISHI <CONTROL / DRIVER IC>
The relationship with I/O control and the braking mode
The braking mode is selected flexibly by using the BRS
terminal.
The relationship between the EC-ECR (the difference
between (EC<control voltage> and ECR <reference
voltage> ) and the torque is shown in Figure 1,2 and 3.
The current gain is 0.8A/V (at sensing resistor :0.5ohm)
in forward torque directions, and the dead zone is from
0mV to 60mV.
When the reverse brake mode(BRS=Lo) is selected,
the coil current gain under the reverse torque control is
the same with in forward torque directions.
BRS=LOW
0
0 – +60mV
0 – -60mV
Current limit
0.8A/V
0.8A/V
Current limit
Forward Torque
EC - ECR
REVERSE BRAKING
Reverse Torque
Figure 1.
EC - ECR
0
0 – -60mV
0.8A/V
Current limit
SHORT BRAKING
Reverse Torque
BRS=Hi
When the short brake mode(BRS=Hi) is selected, the
coil current under the reverse torque control depends on
the back emf. and the coil resistance.
Forward Torque
Figure 2.
0
0 – -60mV
0.8A/V
Current limit
When the free run mode(BRS=open) is selected,
the coil current under the reverse torque control
(EC-ECR>0) becomes zero and in free run
situation.
FREE RUN
BRS=Open
Forward Torque
EC - ECR
Figure 3.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| M56788 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:5 CHANNEL ACTUATOR DRIVER |
| M56788AFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:5 CHANNEL ACTUATOR DRIVER |
| M56788FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:5 CHANNEL ACTUATOR DRIVER |
| M56789 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:4 CHANNEL ACTUATOR DRIVER |
| M56789FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:4 CHANNEL ACTUATOR DRIVER |
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