Motor Controller doesn't output 100% duty

Using encoders with the MCP product line
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Basicmicro Support
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Joined: Thu Feb 26, 2015 9:45 pm
Re: Motor Controller doesn't output 100% duty

Post by Basicmicro Support »

Most mosfet drivers use a boost capacitor to generate the high side gate voltage. This requires recharging the cap which requires turning off the high side for a short period of time. This limits the on-time to around 98%.
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