Comparison of famous charger makers. What's the difference? Same specs, different price.

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Click here to see the products used in this project! (Amazon Associate Link)
Anker 511 Charger (Nano 3, 30W) https://amzn.to/3OAcFcc
UGREEN Nexode Mini 30W PD https://amzn.to/4bvwKtP
Thermal Camera https://amzn.to/4bosjBf

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◤Power semiconductor related videos◢
Playlist    • パワー半導体関連動画  

◤Equipment used◢ (including Amazon associate links)
Oscilloscope Teledyne LeCroy HDO6104B 1GHz model https://teledynelecroy.com/japan/prod...

◤Table of Contents◢
00:00 This time we compare USB chargers that look almost identical
00:39 Let's make a PCB with JLCPCB
01:13 The chargers we will be examining
02:26 Basic performance
03:50 Measurement results of conversion efficiency
05:16 Temperature during charging was also measured
06:53 Measuring switching frequency
07:48 Disassembling and looking at the contents
08:58 About the power semiconductors used
10:34 Designing around insulation
13:49 Summary of this session

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