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Electrical Engineering

Questions tagged [power-electronics]

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Refers to the conversion of electric power by using solid state components such as semiconductors. Can also generally apply to the field of electrical engineering which works with power electronics.

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I'm designing a PCB for motor control. But my Proteus is not working and it doesn't show these errors that I don't understand (view last photo).
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Referring to the common indoor wall power adapters/power supply.
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DFN IC marked L10, I think is a power chip, the size is 1.2 x 1.6 mm, but I can not find the datasheet.
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While I was looking at the schematic for the Revolution PI Connect4 open-source industrial controller, I saw this attached reverse supply protection circuit. I don't understand why T101 is connected ...
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4 layer board. V+/- enter at one end. I've got space along the back edge for pours forming a shared supply bus for multiple loads. Loads are all SMPS with fairly stiff transients. V+ goes in on the ...
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I’m looking for advice regarding a recurring and potentially dangerous issue we're experiencing with our company’s Thyristor Power Controllers (TPCs). Background: We manufacture both single-phase and ...
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I'm trying to simulate the Current Programmed Mode Control subcircuit for the buck converter described in section 18.5 of the Book Fundamentals of Power Electronics by Dragan Maksimović and Erickson, ...
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I have worked with quite a few MOSFET packages over time but I always wondered that why is the drain terminal of the MOSFET physically bigger compared to the source terminal? Example the Toll, TO-252-...
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Background We're building a kind of a "power distribution" PCB, which feeds into many independent DC-powered submodules. The submodules are BLDC drivers, lighting, heating controllers with ...
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I'm designing an ESC that uses the TI UCC27712-Q1 as the gate driver and AGMSEMI AGM403AP as the MOSFETs. I followed the datasheet recommendations for the gate driver circuit, but I couldn’t find any ...
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I'm looking for feedback on this highside DC switch. The voltage ranges from 2S-6S (6v-26v) with nominal continious current of 15A, with bursts up to 80A (realistically not, but I don't want it die if ...
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I solved it, but I am not confident of my answer; it feels like I am wrong somewhere. Could you check and correct if I am wrong in any section? My answer approach: a): It's just a diode we can skip. b)...
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Let's consider this MOSFET. Suppose I measure the temperature simultaneously with two probes, one floating in the air for ambient temperature (Ta) and one right on the component's case/package (Tc). ...
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When designing a PCB, what parameters or design considerations are used to determine the appropriate trace width for each signal or power net?
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I want to create a passive circuit which will cut off a the power supply from a LiPo battery when the voltage of the battery drops to/below 3.2V. I followed the video: https://youtu.be/NecbHbGAkkc?si=...
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