Questions tagged [short-circuit]
An impedance that is non-zero during normal operation becoming very low
861 questions
3 votes
1 answer
188 views
Why does resistance value in a MegOhmMeter dip when touching an unrelated conductor in a 8-conductor low-voltage HVAC CL2 cable?
Am using Klein tools ET600 to check if there is any hidden short to ground (like nail touching any conductor) in any of the 8-conductors in a 60 feet HVAC cable running from indoor air-handler to ...
- 31
-1 votes
0 answers
59 views
TIA amplifier for photodetection [closed]
I am currently working on a project to develop a fibre optic dosimetry system. The system uses an organic scintillator (BCF-60), which emits green light at 530 nm and has an active volume of 0.8 mm³. ...
1 vote
0 answers
36 views
Likeliest RAM behavior with solder bridge
Thinking about automated self-test of PCB assemblies with RAM chips... I'm working on unit testing a memory test algorithm and trying to mock the behavior1. (either SRAM or SDRAM or any other memory ...
- 3,144
2 votes
1 answer
96 views
Detecting disconnected ground potential
I need help to design a circuit that will detect if one of several GND connections break. I am working on a PCB for an industrial application where I am designing an add-on module for an external ...
- 85
2 votes
1 answer
132 views
Designing a Short Circuit Detection and Continuity Check
I'm in the process of designing a test jig/test bench and would really appreciate your suggestions and guidance. The main objectives are: Detect short circuits between two points and provide a clear ...
- 49
0 votes
1 answer
194 views
18650 Solar street light exceeds charge voltage of 4.2 V to 4.8 V - why?
I have a solar street light that had two 18650 batteries in parallel, 1500 mAh each (3000 mAh). I removed them and installed three batteries in parallel, each of 1800 mAh (5400 mAh), for greater ...
- 409
1 vote
2 answers
157 views
Short-circuit protection for MOSFET driver
This is a MOSFET driver for inductive load switching. Expected switching frequency is no more than 50 Hz. The driver is controlled by a 3.3 V GPIO. Load's voltage is in range 24..32 V. The driver has ...
- 19
3 votes
3 answers
584 views
Can shorting 2 analog input pins of atmega328p to ground cause any problems during normal operations?
I designed a PCB but shorted two analog input pins to ground while designing it. My design doesn't need those pins. The PCB has a microcontroller (atmega328p) which controls a LED strip(WS2812B). Can ...
- 121