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In this episode of testing circuits I found on the internet I will be having a look at LiPo battery charger schematics. I will build up 2 very simple circuits which claim to charge a LiPo battery and test whether they can truly do that. One circuit is based around an LM317 adjustable regulator while the other one is based around an Op-Amp. I will show you the flaws of those simple design and while I am at it also show you my own super simple, very inefficient but safe LiPo charger. Let's get started!
Thanks to Altium for sponsoring this video.
Music:
2011 Lookalike by Bartlebeats
0:00 LiPo Battery charging in general
1:45 Intro
2:25 How to properly charge a LiPo battery
3:56 Testing circuit 1 (LM317)
7:58 Testing circuit 2 (OpAmp)
10:20 Making my own LiPo charger (CC/CV)
11:49 Verdict
