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1 vote
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Inrush current on current sense resistors

The problem is on a circuit which implements PFC circuitry. There are two parallel 0.36R current sense resistors located in the inrush current path. These resistors measure the PFC current through the ...
ohkann_'s user avatar
  • 11
0 votes
1 answer
69 views

Detect power outage and disconnect heavy loads from the UPS [closed]

I am looking for a simple system to detect power outage and disconnect heavy loads from the UPS backup to maximize the longevity of the power backup. The UPS works on a 24-V battery. The UPS switch ...
NS Gopikrishnan's user avatar
0 votes
1 answer
2k views

FOC sensor vs sensorless

I am trying to understand the hardware difference between the sensored and sensorless FOC 3-phase Induction Motor Drive circuit. So far what I understand is that FOC require following sensors: 1. ...
scico111's user avatar
  • 927
0 votes
0 answers
139 views

Designing high bandwidth current sensors for inductor current sensing

I am designing a high-frequency current sensor, suitable for sensing +/- 20 Amps at frequencies of 200kHz. This is being used in average current mode control application in an isolated forward ...
darthMaul's user avatar
-1 votes
2 answers
145 views

Why should the fullwave current sensor bandwith be about 10 times switching frequency?

This is an example of high side switch current sensor in a buck-boost converter. I read that for high-side switch full waveform sensing the current sensor bandwith should be about 10 times switching ...
emnha's user avatar
  • 1,661
-1 votes
0 answers
18 views

ACS71020-I2C data read problem

I recently working on ACS71020 with I2C communication .I will attach my module details, code and my results. The slave address of the I2C keeps changing and even If I turn on the supply the measured ...
Vikraman's user avatar