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0 votes
0 answers
155 views

Current Sensing Trace Routing

I'm developing a motor control board (sensorless FOC). I have a question about the differential pair traces, they are very long (the longest is about 80 mm) and crosses several gate lines. How bad is ...
Daniel Müller's user avatar
0 votes
0 answers
126 views

Help understanding conflicting results from INA190 current sense amp

Built a board for a drone that has a few things onboard, though the one that is messing me up is the current sense chip, INA190, though it's most likely not the problem. Picture 1 show the big yellow ...
Sean's user avatar
  • 1
2 votes
3 answers
777 views

3-phase inverter low side current sense

The setup I'm currently doing some experimentation with 3-phase inverters for BLDC motors and current sense. I have at hand this board featuring: IR2103 MOSFET driver. LIN# inputs are connected to ...
Guido Bocchieri'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
  • 907