Comments on: Car USB charger teardown https://www.epanorama.net/blog/2015/08/12/car-usb-charger-teardown/ All about electronics and circuit design Mon, 06 Apr 2026 10:20:53 +0000 hourly 1 http://wordpress.org/?v=3.9.14 By: Tomi Engdahl https://www.epanorama.net/blog/2015/08/12/car-usb-charger-teardown/comment-page-1/#comment-1438131 Thu, 24 Sep 2015 08:00:25 +0000 http://www.epanorama.net/newepa/?p=33514#comment-1438131 Over few years of use this device started to become unreliable.
I found out the connection of – side contact to the circuit ground failing…
Maybe the mechanical construction of that could be better.

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2015/08/12/car-usb-charger-teardown/comment-page-1/#comment-1425922 Fri, 14 Aug 2015 05:04:16 +0000 http://www.epanorama.net/newepa/?p=33514#comment-1425922 Somewhat related:

Crack Open a USB Car Charger to make it a Variable DC-DC Converter
http://hackaday.com/2015/08/13/crack-open-a-usb-car-charger-to-make-it-a-variable-dc-dc-converter/

[Boolean90] hacked a cheap USB car charger into a variable power supply. His proof of concept is to use this as a variable-speed motor controller. The best part is that nothing is being abused, the regulator inside is still running within manufacturer’s spec.

https://www.youtube.com/watch?v=2IOs3g-52Zo

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