I want to join this PSU project , maybe i can help you guys implement digital control unit. But I m not good as like you on analog part.
Can you please tell me , why are we using u1d and M1 block ? and please tell what is the function on the circuit.
If im not wrong , you measure current using R5 , but how can we found 15mR ? In your bill of metarial list , you said (150K and 10K in series) , but i guess these words for R6 (160K) .
In a few words about my idea,
I m thingking to use ATMEGA series for digital control unit , atmega8 is cheap and some versions works on 20 Mhz . i guess its enough the handle voltage and current control , and we can use (MCP 4922 ) for DAC, it has 12 bit resolution. Another hand, we can re-design VRef block , use LM4050 shunt voltage ref. IC for it. if we can able to change Vref value to 4.096 its best for calculation in MCU . but that time we need to change Opamp gain to get 30V from output
Design new 0 to 30V power supply.
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I want to join this PSU project , maybe i can help you guys implement digital control unit. But I m not good as like you on analog part.
Can you please tell me , why are we using u1d and M1 block ? and please tell what is the function on the circuit.
If im not wrong , you measure current using R5 , but how can we found 15mR ?
In your bill of metarial list , you said (150K and 10K in series) , but i guess these words for R6 (160K) .
In a few words about my idea,
I m thingking to use ATMEGA series for digital control unit , atmega8 is cheap and some versions works on 20 Mhz . i guess its enough the handle voltage and current control , and we can use (MCP 4922 ) for DAC, it has 12 bit resolution.
Another hand, we can re-design VRef block , use LM4050 shunt voltage ref. IC for it. if we can able to change Vref value to 4.096 its best for calculation in MCU . but that time we need to change Opamp gain to get 30V from output
I need your kindly response.
Thanks.