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Lab Power Supply Turn ON and OFF Characteristics

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tautech:
Sorry Mike, no SPD4kX here yet.  :(
A few weeks....

mawyatt:
Maybe Furna can help :-+

BTW do you recall this issue with the SPD3303X mentioned?

Best

tautech:

--- Quote from: mawyatt on October 08, 2024, 01:01:46 am ---BTW do you recall this issue with the SPD3303X mentioned?

--- End quote ---
Split rail current measurement, no.....maybe it's the advancing years.  :)

BennoG:
Ok I tested all my power supply's to see if this is a common problem.
Agilent 6645A      Ok
EA PS 2084-10B  Ok
Keithley 2231A-30-3 CH1  (overshoot)
Keithley 2231A-30-3 CH2  (overshoot)
Keithley 2231A-30-3 CH3  Ok
Keithley 2400                  Ok
Agilent N6700B CH1-CH4  Ok
Riden DPS5005  Ok
Riden RD6012    Ok
Riden RK6006    Ok
Spellman SL2000 (overshoot)  not fair because this is a 1kV 2A 2kW psu
TDK Genh60-12.5  Ok

Benno

mhsprang:
I found an article about overshoots in power supplies, dependant on the priorities of the voltage control loop and current control loop:

https://www.electronicdesign.com/technologies/power/article/21801598/getting-your-priorities-straight-managing-overshoots

While I have never written a control loop for a power supply, as an embedded programmer I keep wondering why you can't combine those loops or at least observe crossing the V and I limits at the same time and act accordingly?

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