Questions tagged [current-sensor]
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35 questions
-1 votes
1 answer
61 views
How to model and simulate a PCB Rogowski coil (two-halves type) with equivalent circuit in SPICE?
I’m currently trying to simulate a Rogowski coil implemented on a PCB, before moving to hardware design. The goal is to understand its electrical behavior — induced voltage, bandwidth, and the effect ...
0 votes
0 answers
70 views
Current Sensors to view peak/ surge current drawn by BLDC motor
I'm using a 24 V BLDC motor with an inbuilt hall current sensor. While running it at different speeds, the motor stalls randomly. I have plotted the data from the current sensor, and there is no ...
- 13
1 vote
1 answer
562 views
Need to understand the current sensor connection in this circuit
I'm working on creating a smart power meter for my home, and I found this tutorial. I want to understand each part of the circuit, and the tutorial covers everything. However, it doesn't explain why ...
- 53
2 votes
3 answers
956 views
Designing Eddy Current Sensor?
I am looking to build a eddy current sensor, I am having difficulty finding information on how I should be designing the sensor to fit my needs. There's a few studies and articles I've found that ...
- 23
0 votes
2 answers
1k views
Footprint of current sense resistor for kelvin connection
I need a current sense resistor for my application and I want to add Kelvin connections to it. I found this in the datasheet of a 4 terminal resistor but the footprint doesn't contain "sensing ...
- 99
2 votes
3 answers
362 views
How can we say this current sensor doesn't measure DC?
Digikey is saying this current sensor "CS0305B" from CUI Devices can measure AC and not DC. But in datasheet there is no reference or note mentioning this current sensor will not measure DC. ...
0 votes
1 answer
399 views
Most accurate way to measure universal (AC) motor current?
I'm designing a control circuit for a universal (AC) motor (single phase, brushed). I've simulated the control circuit and it works as expected. Circuit below is controlled by a STM32G4 series ...
- 28
-1 votes
1 answer
819 views
Detect 1 mA current with an Arduino
Which sensor can measure current as small as 0.1 mA? I have tried many sensors with an Arduino, but none satisfy the requirement. Power supply 5 V, independent current measurement I want to measure ...
