An enhanced current source driver circuit with output in the range of 0～500 mA
This article presents the design of an enhanced current source driver circuit capable of outputting a range of 0 to 500 mA,and emphasizes the design processes of the analog-to-digital conversion subcircuit and the current source subcircuit.The designed circuit converts the digital signal from the microcontroller into a current analog signal through the analog-to-digital conversion subcircuit,and further converts it into an analog voltage signal through voltage swing control.By utilizing the current operational amplifier OPA547 chip,the precision and output range of the current source circuit are improved,enabling precise control of the entire driver current source circuit to generate accurate current output.Finally,this article describes the process and results of circuit testing,verifying the effectiveness and usability of the designed circuit.
enhanced current sourceanalog-to-digital conversionAD5443OPA547
万方数据
