The fault tag has no wiki summary.
9
votes
5answers
554 views
Fault modeling for embedded systems
I have a wireless sensor circuit with a microcontroller and a 2.4 GHz transceiver module, some integrated sensors with I²C interface, a UART port and the necessary discrete components.
This board is ...
5
votes
3answers
236 views
What can cause a Drain-Source short in a FET?
Background:
I am using a Si7456CDP N-channel MOSFET in a switching power supply. The power supply and load are housed in a plastic enclosure. Yesterday, the power supply and load were working ...
5
votes
1answer
425 views
Operating Temperature Range question for Inrush Current Limiting Thermistors
I have a friend who has brought me a circuit board from her flat screen TV. She assumed it was bad because the TV no longer turns on and there was off-white stuff leaking out of some of the ...
4
votes
5answers
173 views
What is air contamination fault?
I read the following in the datasheet of ULN2803
Utmost care is necessary in the design
of the output line, COMMON and GND
line since IC may be destroyed due to
short−circuit between ...
4
votes
1answer
89 views
Triple modular redundancy (TMR) in hardware
I would like to know if there are already ASICs/FPGAs implemented on top triple modular redundancy for fault tolerance/if they themselves implement TMR for fault correction. Any reference to research ...
2
votes
3answers
541 views
Diagnosing cause of electrolytic capacitor failing
I am hoping somebody could help me diagnose the cause of failing electrolytic capacitors in a circuit. The context is a charger circuit, more specifically its power supply unit:
Given a diode bridge ...
1
vote
1answer
60 views
Live-Neutral transformer fault
In this critique of an ELV PSU design, it is suggested that a "Live-Neutral" fault could result in a fault current of thousands of amps. I'm sceptical. Please could someone explain how this could be? ...
1
vote
1answer
79 views
Circuit breaker selection that can be tripped with a microcontroller
I am designing a system that will simulate an upstream fault with a micro-controller action. the micro-controller will send a signal to a circuit breaker to simulate a line to ground fault(just like ...
0
votes
1answer
86 views
Ground Fault Question Regarding a 3 Phase Circuit
I'm needing to design a 3 phase ground fault detection system for a 480V system. It will need to be able to trip when there's ground fault current >1A.
I have done some reading and it sounds like ...
-1
votes
2answers
180 views
UK plug for American speakers not working [closed]
I have a new speaker and subwoofer set which I'm almost certain are not defective.
They came with an American plug but I live in the UK, so I ordered a UK adapter with the same voltage and amp output ...
