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Keysight E36731A Battery Emulator alternative
lutkeveld:
Hi all. Im building a testfixture for validation of a PCBA with a battery input and onboard charging circuit.
To do this I am looking for some sort of bipolar PSU which can simulate a battery input.
I have found the Keysight E36731A, which is really nice, but has a less nice pricetag of 5K USD.
Do any of you have recommendations for some cheaper (Chinese?) alternatives?
I need to simulate a 12V lead acid battery (so ~10.5 to 13.8V, 3A).
nctnico:
Look at the Agilent 66311B and related models. Should be close to your needs with some remote control
jc101:
--- Quote from: lutkeveld on July 09, 2024, 02:19:39 pm ---Hi all. Im building a testfixture for validation of a PCBA with a battery input and onboard charging circuit.
To do this I am looking for some sort of bipolar PSU which can simulate a battery input.
I have found the Keysight E36731A, which is really nice, but has a less nice pricetag of 5K USD.
Do any of you have recommendations for some cheaper (Chinese?) alternatives?
I need to simulate a 12V lead acid battery (so ~10.5 to 13.8V, 3A).
--- End quote ---
The battery emulation doesn't work without a BenchVue licence, rented by the year or buying a permanent licence for ~2k on top of the instrument price.
It is a nice unit, but crippled by a licence to actually use the thing.
lutkeveld:
--- Quote from: nctnico on July 09, 2024, 04:21:48 pm ---Look at the Agilent 66311B and related models. Should be close to your needs with some remote control
--- End quote ---
Also a good option and slightly more affordable, but I was hoping more in the 500-1000 EUR range.
Maybe this is not realistic, but I was thinking that logically it is just a power supply that can also sink current
Maybe it's more complicated than that :)
nctnico:
The 66311B can be bought cheap on the used market. I paid $50 for mine from Ebay. You should be able to get one with warranty from a test equipment dealer for a good price. Instrumex has one listed for 1250 euro.
There is also the Gw instek gpp4000 series which can source / sink but I don't know whether it can do 2 quadrant operation.
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