Yes
The fuse may have blown because you have defective drivers or shorted outputs. Use a 10 or 15 amp fuse during testing if you don't have any way to limit current.
The fuse may have blown because you have defective drivers or shorted outputs. Use a 10 or 15 amp fuse during testing if you don't have any way to limit current.
kicker zx 350.2 irfz44v?
perry could you tell me witch one would work the best for me
i need to order the ifrz44v for the kicker amp i would like to order them from
mouser.com but they have 3 different optains im not shore what to order
the irfz44v are for the power sides of the amp
irfz44v International Rectifier / Infineon MOSFET | Mouser
thanks
perry could you tell me witch one would work the best for me
i need to order the ifrz44v for the kicker amp i would like to order them from
mouser.com but they have 3 different optains im not shore what to order
the irfz44v are for the power sides of the amp
irfz44v International Rectifier / Infineon MOSFET | Mouser
thanks
Use IRFZ44V in all six mosfet locations. Replacing the drivers Q11,Q14-2N4401 and Q12,Q13-2N4403 would be recommended.
If you have an oscilloscope after replacing the drivers, and without any IRFZ44V in place, check the drive to the mosfet gates resistors and the triangle wave to Pin 5 of the TL494. The triangle wave should be a clean sawtooth and the drive pulses should be ~50% duty cycle @ ~20us or 50Khz.
The DC voltage measured with black probe on the power GND terminal block should be 1.5Vdc at Pin 5 of the TL494 and 5Vdc at the gate resistors
If you have an oscilloscope after replacing the drivers, and without any IRFZ44V in place, check the drive to the mosfet gates resistors and the triangle wave to Pin 5 of the TL494. The triangle wave should be a clean sawtooth and the drive pulses should be ~50% duty cycle @ ~20us or 50Khz.
The DC voltage measured with black probe on the power GND terminal block should be 1.5Vdc at Pin 5 of the TL494 and 5Vdc at the gate resistors
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942-IRFZ44VZPBF IRFZ44VZPBF
The IRFZ44VZPBF which Mouser shows twice (maybe from two different sources) with the part number I copied and pasted will do. Anything with a TO-220 package will work.
The IRFZ44VZPBF which Mouser shows twice (maybe from two different sources) with the part number I copied and pasted will do. Anything with a TO-220 package will work.
im working on a kicker amp that is drawing a lot of current im not shore why
power supply transistors are all good irfz44v
gate resistors are good 150 ohms
not really shore what to check
i also replaced 2n4401 and 2n4403
power supply transistors are all good irfz44v
gate resistors are good 150 ohms
not really shore what to check
i also replaced 2n4401 and 2n4403
Remove D13 and D14 to isolate between the amp and power supply.
If the current draw continues you can remove the IRFZ44V's and check the C3 (682/M) at Pin 5 of IC10 (TL494). With a scope if available check the triangle wave at Pin 5 (~15 microseconds) A DC voltmeter should read ~1.5 Vdc with the black probe on Power Ground Terminal.
There may be a shorted winding or underside rubbing a jumper in the transformer T1. By gentle twisting the transformer you may see a change in the current draw. If the transformer is rubbing this can be fixed by lifting the transformer and adding insolation to the point of rubbing.
If the current draw continues you can remove the IRFZ44V's and check the C3 (682/M) at Pin 5 of IC10 (TL494). With a scope if available check the triangle wave at Pin 5 (~15 microseconds) A DC voltmeter should read ~1.5 Vdc with the black probe on Power Ground Terminal.
There may be a shorted winding or underside rubbing a jumper in the transformer T1. By gentle twisting the transformer you may see a change in the current draw. If the transformer is rubbing this can be fixed by lifting the transformer and adding insolation to the point of rubbing.
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