WARNING on USB Charging Ports!
Just wanted to post a warning to everyone who has the built in USB charging ports on their camper/RV. We have a 2017 Grey Wolf 29BH that has 6 of these through out the camper, 3 of which are in the b...
Forum Discussion
1995brave wrote:
Are you sure your smartphone isn't drawing more power than the USB charging port can provide? Seems they both burned up after your smartphone was connected.
The ports are supposed to current limit, and I have had the smart phone for over 2 years and never had a problem with any other charger even the el-cheapo ones. Definitely the ports. I looked up the DC-DC converter IC that is on there and it supplies up to 3.5A, and it is supposed to have a resistor that sets the current limit, so something is wrong in the design IMO. I ham tempted to open one of the still good ones so I can see if I can get the value of that resistor to see what the current limit is set for.
