EEVblog #530 – Electrophoresis Power Supply Teardown


What’s inside an EC Apparatus brand constant voltage constant current power supply used for Electrophoresis – the separation of particles in a fluid by using an electric field.
You can get these supplies quite cheaply on ebay if you look around.
A quick reverse engineering of the circuit provides some insight into what’s happening.
en.wikipedia.org/wiki/Electrophoresis
en.wikipedia.org/wiki/IGBT
en.wikipedia.org/wiki/Snubber
Datasheets:
www.irf.com/product-info/datasheets/data/irg4ph50k.pdf

About EEVblog

Check Also

EEVBlog 1436 – The TOP 5 Jellybean OPAMP’s

Dave looks at his TOP 5 (plus change) Jellybean OPAMP’s, and explains why you need ...