adjustable constant current source

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AlundrA

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adjustable current source

hi! i need a constant current source that can be adjusted with pwm. (about 1.5-2 A). is there such a circuit?
 

add a interface,such as a counter,decide the width of PWM
 

Hi,

Look there for some ideas :

h**p://www.discovercircuits.com/C/curr-source.htm

* = t
 

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