Questions tagged [overheat]
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1
vote
1answer
207 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 ...
0
votes
3answers
92 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
165 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
776 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
votes
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)
...
