TL494 regulator for the current application

Posted on Dec 11, 2010

DC motor (brushless DC motor) double-loop speed control system, the speed controller output torque (or current) signal given. It can be used TL494 as a current regulator and cu

TL494 regulator for the current application
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rrent limiter (see Figure 10-3). Current feedback detection signal from the input pin l, the command current J from 2 feet input, the error amplifier is connected to a PI regulator mode, PWM signal. As a comparison here with serrated ferry crossing, the effect is better than the triangle wave, sawtooth edge because the very steep, avoid the fluctuations in current caused by the switching time multiple on-off current PWM signal generating images.

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