This design will feature 2 USB charging ports with LEDs as indicator lights. This board is electrically simple enough that it can be routed on a 2-layer or 4-layer standard thickness board (1.57 mm), but it still requires some important considerations in the schematic and routing portions of the design. We’ll take a look at the process for creating the schematic first, and the layout process will be shown in an upcoming article. The charger requires 12 V of power and charges two external devices through two USB ports. Here, I’ll present the overall design process for a portable USB charger. If you want to build your own USB charger, you can create your own USB charger board with the powerful schematic design and layout tools in Altium Designer. When I’m in my office, I keep my pluggable USB charger around, otherwise the battery on my phone is likely to run out.
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