Încărcător USB „GaN” Quick Charge “120W” – Măsurare tensiune, curent, putere și analiză electronică

✔️Hello! In the clip above, we continued with the analysis and testing of another very cheap USB charger bought from Aliexpress. According to the seller, this is a "Gan" Quick Charge "120W" USB charger, model "AD-157". What power it actually has, what ripple it has and how safe it is, you can see in the episode above. ✔️For the diagram I drew for this charger, please visit the following link: https://drive.google.com/file/d/1FPKc... Contents: 00:00 - Introduction 00:46 - USB charger weighing 00:54 - No-load testing in QC2.0/QC3.0 mode 01:53 - Maximum current testing in QC2.0 mode (at 5V, 9V and 12V) 03:36 - Electronic analysis of AD157 USB charger 09:17 - Ripple measurement at 5V (0A, 1A and 2A) 10:31 - Transformer analysis 13:02 - Conclusions 14:02 - End 📌If you liked this video, don't forget to LIKE 👍 and SUBSCRIBE ⚡