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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

high power

  1. MD MUBDIUL HASAN

    Inexpensive DC-DC converter/SMPS design idea and suitable topologies

    Hi there, I am looking for a customized design where good power solution can be applicable. My aim is to develop a DC-DC sutable toloplogy ( flyback, buck, isolated ,..so on) converter with following parameter, INPUT: 250 to 650 VDC OUTPUT: 24V/5A , 5V/3A, 12V/2A Take a look at the similar...
  2. A

    Sourcing surface mount high current connector

    Hi All I'm having a dilemna at the moment, I have designned a battery balancing circuit and need connector for this that are rated at 10A max per contact perivously I used a SAMTEC IPBT connector which met my requirement the only problem was the height with the connector and the mating half had...
  3. E

    IR transmitter comparison

    hey guys, I hope all is well. I have a question about the following two schematics. One is a high power IR transmitter and the other is a long range ir transmitter. When I look at them both I feel like they're doing the same thing just in a different way. Would I be correct to assume that they...
  4. R

    20Khz+ PWM high-wattage LED producing too much heat

    I'm working on dimming a high-wattage LED (50W--12V/4.17amps) with a 3.3V micro-controller. The solution that has worked so far is by using a low-side (PNP) MOSFET to drive the LED and a NPN transistor to drive the MOSFET via the 3.3V signal from the MCU. At 488hz PWM I can dim the LED light...

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