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參數(shù)資料
| 型號： | BA6870 |
| 廠商： | Rohm CO.,LTD. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3-phase motor driver |
| 中文描述： | 3相電機驅(qū)動器 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 135K |
| 代理商： | BA6870 |
668
Motor driver ICs
BA6870S
Pin descriptions
Electrical characteristics (unless otherwise noted, Ta = 25 C, V
CC
1 = 5V, V
M
= V
CC
2 = 12V)
Circuit operation
(1)
Pseudo-linear output and torque ripple cancellation
The IC generates a trapezoidal (pseudo-linear) output
current, whose waveform phase is 30 degrees ahead of
that of the Hall input voltage (Fig. 1).
The trapezoidal waveform of output current would create
intermittence in the magnetic field generated by the
3-phase motor, and would result in an irregular rotation
of the motor. To prevent this, the output waveform is ob-
tained by superimposing a triangular wave on the trape-
zoidal wave (Fig. 2). This process is called torque ripple
cancellation.
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PDF描述 |
|---|---|
| BA6871 | 3-phase motor driver |
| BA6898 | 4-channel BTL driver for CD players |
| BA6956AN | Silicon Monolithic Intergrated Circuit(Reversible Motor Driver) |
| BA6970 | 2-phase motor driver for VCR cylinder motors |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| BA6870S | 制造商:Panasonic Industrial Company 功能描述:IC |
| BA6871 | 制造商:ROHM 制造商全稱:Rohm 功能描述:3-phase motor driver |
| BA6871BS | 制造商:Panasonic Industrial Company 功能描述:IC |
| BA6871S | 制造商:Panasonic Industrial Company 功能描述:IC |
| BA6872 | 制造商:ROHM 制造商全稱:Rohm 功能描述:3-phase motor driver and reversible motor driver |
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