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Questions tagged [overheat]

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0
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1answer
86 views

THAT4315 audio analyzer - capacitors getting hot

I have designed a audio spectrum analyzer circuit with THAT4315 and a drivers for IN-13 bar graph nixie tube to visualize the signal level. To supply +-12V to the opamps, the Meanwell NSD15 module is ...
0
votes
1answer
61 views

Class-AB Amplifier Excessive Heat

I'm using a TI TPA6017A2 as a pre-amp for an in-car audio application and it's getting excessively hot, to the point where the IC burns my finger when touched if I set the input volume to max. Beyond ...
0
votes
1answer
63 views

LED light cycles on and off - Is it a heat or voltage problem?

I have this LED light that was over the aquarium at my work desk. There's a circuit board (not pictured) that controls when the lights go on and off but, after a power outage a few weeks ago, it seems ...
1
vote
1answer
265 views

MAX487CPA/SN75176BP RS485 IC gets too warm (in DMX Splitter circuit)

Brief I built part of the scheme below (input K2/IC5, optocoupler IC9 and output IC6/K3). IC9 is overheating when I connect LED pars to K3, because voltage is flowing back into pin 6/7. If I connect ...
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votes
3answers
96 views

What can happen with the PCB foil while SMD resistor destructive overheat?

I need to protect the gate driving circuit by putting the resistor between the gate and the control circuit: During the testing of the mockup MOSFETs can go be destroyed which leaded to high voltage ...
0
votes
4answers
186 views

Overheating of LM1117 SOT223, 5v-3.3v

I'm having problems with my design. I put the schematic here, maybe someone can find an error that I didn't find yet. EDITED[I forgot the schematic, sorry...] The microcontroller, dsPIC, has the ...
6
votes
5answers
4k views

Why are DIMMs not equipped with a heat sink like a CPU?

I know that a DIMM is composed of a set of chips that contain control logic managing the decode and prefetching memory operations. According to a product specification, I found that newer RAM works at ...
3
votes
3answers
1k views

DIY Induction Heater failure - MOSFET overheat

I saw this video about DIY Induction Heater and I decided to make it by myself in order to learn something from this project. After finish wiring everything, I connect the power supply and heard/saw ...
14
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3answers
1k views

LM2586 - Inductor Heats Then Burns

I'm designing a step-up constant current source to drive LED strips (nominal load voltage is about 54 VDC). Requirements: Vin: 18..32 VDC Iout = 0.2 A Vout = 54 VDC (nominal) - 57 VDC (maximum) ...