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MCT8329A: [MCT8329A] How to start BLDC softly from 0 rpm to Max speed.

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Part Number: MCT8329A

Hi team,

We are studying variable speed control, but are having difficulty getting the machine to run at a slow, gradual speed from 0 rpm with a load applied.

We are considering using the attached parameters, but are there any improvements that we can make to allow gradual low-speed operation from 0 rpm?

Currently, the motor has a maximum speed of 3800 rpm, but when I input a speed input, the motor rotates to 1500 rpm at once, and I am unable to maintain a low speed of 100 rpm or 200 rpm.

The speed input is a PWM input with forward reverse control.

e2e.ti.com/.../20230904_5F00_IPD_5F00_regs.txt


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