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Step 2The circuit board
The circuit board is a piece of single sided copper clad board. A hole is cut inside it so that it will accommodate the integrated circuit.
The MCP73861 or MCP73863 (they are similiar, with only slight differences which do not affect the circuit connections) is available in a small leadless package.
The difficulty? There are no leads to solder to. The advantage? There are no leads to break!
The ic is placed so that its connection side (the side with solder pads) lines up with the copper side of the board and it is then fixed in position with epoxy or some such glue.
The MCP73861 or MCP73863 (they are similiar, with only slight differences which do not affect the circuit connections) is available in a small leadless package.
The difficulty? There are no leads to solder to. The advantage? There are no leads to break!
The ic is placed so that its connection side (the side with solder pads) lines up with the copper side of the board and it is then fixed in position with epoxy or some such glue.
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