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Please review my PCB design

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easy.rahil

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Hello everyone,
I have got a circuit diagram for an automotive ignition and i design a pcb layout as per circuit. please let me know if i did everything as per circuit diagram.
 

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JonSea

Well-Known Member
Most Helpful Member
On your schematic the pins for T1/U2 seem to be out of order compared to the package on the pcb. The pin order for a TO220 is 1-2-3 from left to right. Compare the schematic connections to the data sheet and be sure you have them in the right order. The pins shown on a schematic symbol may not match the physical layout.
 

easy.rahil

Member
On your schematic the pins for T1/U2 seem to be out of order compared to the package on the pcb. The pin order for a TO220 is 1-2-3 from left to right. Compare the schematic connections to the data sheet and be sure you have them in the right order. The pins shown on a schematic symbol may not match the physical layout.
Sorry picture reuploaded again with correct part numbers. as U2 is hall sensor a nd U1 is a Mosfet
 

JonSea

Well-Known Member
Most Helpful Member
Now that I under which is which, it looks like the board matches the schematic. Are you soldering leads to the board? Maybe add a terminal block?

Also, add a polarity mark for the diode. A mark on the copper layer is ok for that.
 

easy.rahil

Member
Thank you for your suggestion Jon, i will prototype a pcb and add the component by tomorrow. hope everything went good.
 
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