Hello:
Have a Meanwell 350 Power Supply 2v v model rated to 14.6A output current. Works fine if the load is under 4 amps, but once the current is increased it starts hissing and the output voltage drops to 12v. Some have suggested Q1 and Q2. I note that Q5 gets very hot seconds after connecting a load greater than 4 amps. Q6 stays warm.
Attached is a schematic. Any ideas where I should start looking.
http://www.hordsoffun.com/ebike/pics/Meanwell_S-350-27.png
Have a Meanwell 350 Power Supply 2v v model rated to 14.6A output current. Works fine if the load is under 4 amps, but once the current is increased it starts hissing and the output voltage drops to 12v. Some have suggested Q1 and Q2. I note that Q5 gets very hot seconds after connecting a load greater than 4 amps. Q6 stays warm.
Attached is a schematic. Any ideas where I should start looking.
http://www.hordsoffun.com/ebike/pics/Meanwell_S-350-27.png