Non-Isolated DC/DC converter

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tictactoe

Member
Joined 2010
Hi
I want to design DC/DC converter with the below specification:

Vin=10 volts to 14 volts
Vout=12 volts to 36 volts
Iout(maximum)=30 Ampere

I can use non-isolated converter . Which is better for this smps? Non-isolated or isolated?
Which topology do you prefer for the converter with the variable output voltage ?

Regards,
 
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FauxFrench

Member
Joined 2017
The most simple and rather obvious choice is a non-isolated boost (step-up) converter, which is rather simple to design a regulation loop for.

Just to give you an idea about the outline:
1pcs DC DC 600W 10 60V to 12 80V Boost Converter Step up Module car Power Supply-in Integrated Circuits from Electronic Components & Supplies on Aliexpress.com | Alibaba Group
The boost converter shown here cannot supply the 30Amp you request!
30Amp, and even more at the input, is very demanding but should exist in normal trade.

This one is getting closer:
1200W 20A DC Constant Current CV Boost Converter 8V 60V to 12V 80V Non isolated Voltage Step up Power Supply Module-in Inverters & Converters from Home Improvement on Aliexpress.com | Alibaba Group
 
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