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- Aug 13, 2013
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So I have an S06J 405nm diode and driver from DTR. Works great. I'm trying to hook it up to my CNC machine for engraving. Here's the circuit I'm using.
I have both this switch circuit and the diode running off of a 5v wall wart power supply with plenty of power.
When I test this on the bench by jumping the 5v power supply to the Mosfet gate it works great. No problems.
When I install it into my machine and connect the gate to a 5v led output that is tied to the Z axis direction pin it will turn on and then not turn off once the gate is disconnected. The mosfet does not get hot. Basically I've fried the mosfet into a closed state between the drain and the source.
Any suggestions?
Mark
I have both this switch circuit and the diode running off of a 5v wall wart power supply with plenty of power.
When I test this on the bench by jumping the 5v power supply to the Mosfet gate it works great. No problems.
When I install it into my machine and connect the gate to a 5v led output that is tied to the Z axis direction pin it will turn on and then not turn off once the gate is disconnected. The mosfet does not get hot. Basically I've fried the mosfet into a closed state between the drain and the source.
Any suggestions?
Mark