P-channel MOSFET as high-side switch gets hot
2016年3月25日 · I'm using two 75HC595 shift registers to control these lights. In my car I also have 14 LEDs so I can see which lights are on. To switch the lights I wanted to use MOSFETs, …
power supply - Buck converter MOSFET (IRF4905) heating up
2019年12月16日 · I tried to build a buck converter without any ICs, just transistors, a diode and passive components. Its purpose is to convert 12V to 5V at 2 Amps. It works, but the switching …
Urgent-how to switch MOSFET on and off | All About Circuits
2010年9月11日 · The IRF4905 has a VERY LARGE gate charge requirement. If you would try it out with the circuit I posted ...
IRF4905 MOSFET getting HOT - All About Circuits
2018年9月8日 · I have designed and simulated an Arduino circuit to sequentially pulse six (6) glow plugs. I'm using two units to heat glow plugs on a V12 static engine. I need a Neg ground …
P Channel couterpart for IRFZ44 - All About Circuits
2013年1月4日 · Bit out dated theme but I was wondering same question, after some search, bellow you can see results They have some different Resistance values (IRFZ44 and …
what driver chip do i need for a irf4905 p-channel mosfet
2021年3月18日 · I'm trying to figure out what chips I need to run my irf4905. the mosfets will need to be running 5 amps at 24 volts using pwm to Varey the watts. if anyone has done anything …
p-channel mosfet heat dissipation | All About Circuits
2021年12月5日 · Hi all, I'm testing a few P-Channel Mosfets (IRF4905) I bought. It's just the most basic setup - see sketch; battery is 15V, Incandescent light is pulling about 1.5A. When the …
IRF4905 P Mosfet - All About Circuits
2008年2月10日 · IRF4905 P Mosfet Home. Forums. Hardware Design. Analog & Mixed-Signal Design . IRF4905 P Mosfet. Thread ...
How to protect P-MOSFET from excessive gate voltage
2016年5月27日 · I have some spare IRF4905 P-MOSFET, some optocouplers, some TVS diodes 18V and various Zeners. My idea was this one (I found no optocoupler in Circuitlab, I made it …
Soft start circuit design for audio amplifier
2020年11月21日 · I have a 100W D class amplifier that runs on 24V. It uses 2 x TPA3116D2 IC for amplification. I also have a 24V 16A power supply. I need to provide a soft start circuit for …