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Testing high current circuits

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paulmdrdo

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hello! How do you guys test your high current circuits like smps? I gather that smps circuits for high current applications cannot be tested on a breadboard. How do you guys test your design before putting it together in a permanent board? TIA.
 

Hi,

I do it like I recommend it in my posts:

* I read the datasheet. Yes, honestly. It´s boring. But I see no way around.
* then I follow the rules for component selection
* then I draw the schematic
* then I follow the rules for PCB layout
* and I make a PCB. Usually the first prototype runs.

For switching power circuits I see no use in testing them on a breadboard.
What do one expect from a breadboard test?
* If it runs --> the datasheet told the truth
* if it doesn´t run --> the datsheet still tells the truth, but the test was bad.
--> trust in the datasheet and waste no time.

Klaus
 

Hi,

I do it like I recommend it in my posts:

* I read the datasheet. Yes, honestly. It´s boring. But I see no way around.
* then I follow the rules for component selection
* then I draw the schematic
* then I follow the rules for PCB layout
* and I make a PCB. Usually the first prototype runs.

For switching power circuits I see no use in testing them on a breadboard.
What do one expect from a breadboard test?
* If it runs --> the datasheet told the truth
* if it doesn´t run --> the datsheet still tells the truth, but the test was bad.
--> trust in the datasheet and waste no time.

Klaus

Can you give me a link to that PCB layout rules? or any materials that I can read pertaining to proper PCB layout. TIA.
 

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