[chbot] H bridge warning!
list0570 at paradise.net.nz
Wed Feb 11 23:21:23 GMT 2015
On Thu 12 Feb 2015 11:16:46 NZDT +1300, Robin Gilks wrote:
> ** On checking, they use a 1K resistor which sets the slew rate at
> approximately 8V/us. I reckon that means that out of every 64us at the
> high rate, at least 6us is in the linear region i.e. about 10% of the 240W
> going through the circuit is lost in the bridge components.
Can you change the slew rate limit accordingly? 7x PWM frequency, 7x
slew rate limit?
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