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電源回路初学者です。質問させていただきます。PSIM上で次のURLで示された回路について、制御を再現し、電源回路に搭載しようと考えています。TPS536C7B1 Dual-Channel (N+M ≤ 12 Phases) Step-Down, Multiphase Controller with datasheet
このURL中の7.6.3 Off-time control: loop compensation and transient tuningと7.6.5 Load transient responseのramp波形から、ランプ波形は任意の傾きで立ち上がったあと、Vcomp信号にぶつかった後に垂直に落ちるという挙動をすると考えたのですが、PSIM上のランプ設定ではそのような回路を再現するような動作ブロックは見当たりませんでした。
再現するにあたって、そのようなブロックもしくは手法があればご教授願います。また、この回路をPSIM上で再現する上で参考となる回路や例などあればお教えいただければと思います。
以上、よろしくお願いいたします。
Hi Horie,
Yes, we can design control circuits in PSIM as shown in the document.
By using resettable or external resettable integrator blocks we can generate the output as shown in the document.
The following image gives you an idea to generate ramp with required tilt and generate the PWM pulse. This can used to generate the waveform shown in document.
V32: Sawtooth wave, V34: PWM pulse, V33: sawtooth (based on external reset)
Thank you,
Vishwanatha Siddhartha
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