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'[PIC]pic pwm to control voltage of buck converter'
2005\06\23@105659 by rosoftwarecontrol

flavicon
face
buck converter is very poplar and bring good results.

But how to control its output voltage? such as I want a power sin wave voltage source. pic pwm can do sin wave
quite well, but it can't drive a 10 A buck converter.

Lot of tps buck converter can do good dc/dc job, but
can have sin wave.

How to put buck converter undear pic control?
Any resources and hints?
Can I put an op adder, in Vsense resistance net, where
existing converter frequence.

Or, a dsPIC is the only solution to deal with pic pwm and
buck converter frequence?




2005\06\23@114044 by Alan B. Pearce

face picon face
>How to put buck converter undear pic control?
>Any resources and hints?
>
>Or, a dsPIC is the only solution to deal with pic pwm and
>buck converter frequence?

Well Olin does one with a 10F series PIC, and that has to be about as far in
the opposite extreme from a dsPIC as possible in the PIC world. If you had
looked at the circuit he was proposing for his development PCB, you would
have seen an example of this.

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