Apr 27, 2018 #1 H HLR Newbie level 3 Joined Apr 26, 2018 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 21 Hi All, I want to do know how current sharing can be taken care in dual port or 3 port USB charger if to 4A charger we connect device/load with current rating of 2A and 1A ,will current supplied will be 2A and 1A only ? If only one load of current rating of 4A is connected to USB port then how do current is devoted to only this port ?
Hi All, I want to do know how current sharing can be taken care in dual port or 3 port USB charger if to 4A charger we connect device/load with current rating of 2A and 1A ,will current supplied will be 2A and 1A only ? If only one load of current rating of 4A is connected to USB port then how do current is devoted to only this port ?
Apr 27, 2018 #2 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,273 Helped 4,873 Reputation 9,767 Reaction score 5,566 Trophy points 1,393 Activity points 169,208 Hi, If I had to know this, then I´d study the USB specifications first. In case you want to build your own chargiing port, then I assume you are free to supply every port with full specified current. Klaus
Hi, If I had to know this, then I´d study the USB specifications first. In case you want to build your own chargiing port, then I assume you are free to supply every port with full specified current. Klaus
Apr 27, 2018 #3 H HLR Newbie level 3 Joined Apr 26, 2018 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 21 Hi , I might use all USB With current rating of 4A and AC DC to supply 5V, 4A. Doubt on how to devaite or share current as per load requirement.
Hi , I might use all USB With current rating of 4A and AC DC to supply 5V, 4A. Doubt on how to devaite or share current as per load requirement.
May 1, 2018 #4 H HLR Newbie level 3 Joined Apr 26, 2018 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 21 I am came across this IC MAX20313 from Maxim Integrated it can limit 500mA to 6A, but it is single channel IC any suggestion on triple channel USB Switch IC to control upto 4A also i have doubt do all dual or more port chargers will have USB switch IC to control current across USB ports ?
I am came across this IC MAX20313 from Maxim Integrated it can limit 500mA to 6A, but it is single channel IC any suggestion on triple channel USB Switch IC to control upto 4A also i have doubt do all dual or more port chargers will have USB switch IC to control current across USB ports ?