Questions tagged [stress-testing]
The stress-testing tag has no usage guidance.
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How I can perform accelerated testing of my PCB board by own?
I am working on a project in which there are system components listed below as module:
8 ultrasonic sensors 12-30 V (Sensor module)
3 DC motors (Drive module)
35 V to 5 V buck converter and a 35 V - 5 ...
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Can an n-channel mosfet gate be held closed for months at a time and still reliably open when Vin falls below threshold?
I made a prototype circuit to detect the loss of individual 12V lithium batteries in a larger parallel bank due to BMS cutoff (12V continuous signal from an individual battery suddenly becomes open ...
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Are thermal effects on an FPGA different depending on how it is programmed/configured?
I am currently on the fence in a debate regarding FPGA environmental testing (thermal cycling).
The question is, can the same FPGA stressed to the same thermal limits yield different results depending ...
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Calculation of Junction Temperature
I have a PCB and trying to measure the maximum junction temperatures of the major components in the PCB which in full working mode. For example like Input Diodes, Buck Regulator ICs, Aluminium ...
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Looking for a explanation/cause of lithium polymer battery failure
I'm hoping that someone on the EE StackExchange could give me some insight into what is going on with some lithium polymer batteries that I have under test.
The question I am trying to answer is: ...
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What are the general guidelines to conduct a stress test for an assembled PCB to test reliability after fabrication?
I got a PCB fabricated from a board-house. The PCB contains:
DC-DC power circuit
protection diodes
Atmel ATtiny microcontroller
LED's
USB hub and interface to a RPi
I want to conduct a stress test ...
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554
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How to test a capacitor?
I've got a big 560 uF, 400 V capacitor and I've tested it with a meter and the capacitance is within spec, same the ESR and it has a vloss of 0.8%. So all seems fine but then I came across this video ...
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Puff of smoke in air. 3 different PCBs. PCB has ghosts?
Yes, that is a haiku. (EDIT: fixed it... it is now actually a Haiku)
No I'm not smiling.
I'm doing some standard testing; seeing what happens when one of the two power rails gets shorted to GND on ...
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MOSFET Vgs Electrical OverStress [closed]
I have a design is that over-stressing (EOS) a PFET's (PMDT670UPE,115) rated Vgs by 50% (Vgs -12V, limit is -8V), I want to consider PWM'ing this part with 50% duty cycle in hopes of increasing the ...
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Stress testing a PCB’s current handling capability?
I’ve produced a simple unregulated power supply PCB, consisting of:
AC input terminals
Fuse
4 rectifier diodes
Filter/smoothing capacitors
DC output terminals
Only when the PCBs arrived did I get ...
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IC package reliability with physical stress
One of the ICs for my design comes in LQFP, TSSOP, QFN and even WLCSP packages. I don't care about the footprint, and the only thing that I want to maximize with the package choice is reliability ...
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How to maximize microcontroller temperature?
I need to test how hot a specific microcontroller can get in different situations. The goal is to have the microcontroller heat up as much as possible just by using it.
I was thinking I'd need to
...
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Switching RJ45 with relays
So I am setting up an automated test environment for an electronic product and one of my needs is to simulate a user pulling the cable from the product. Since only 4 wires of the RJ45(T-568B) cable ...
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How to test op amp stability?
I've got a circuit I'm developing using an op amp to drive a power MOSFET for an electronic load:
I'd like to test it for stability, but I don't have enough experience to know what perturbations are ...
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How to automatically test the audio quality of a telephone line that randomly goes bad?
I am a computer scientist and I'm working as sysadmin of a small firm where I've been managing also the telephone system that my predecessor put in place.
Albeit I don't really have the skill set ...
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Generate 10A for stress testing
How could I, a cheapskate hobbyist, generate large currents around 8–10 Amps to run through a short circuit? That is, the objective is to stress test a very low-resistance circuit going ...
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