thanks to everyone’s great feedback, i’ve now got a usb battery ... regulator ic instead of the resistor/zener-diode combo i discussed previously. you’ll be able to charge your device ...
So not only will the MH-CD42 charge your lithium-ion cells when given a nominal USB input voltage (4.5 – 5 VDC), it will also provide essential protections for the battery. That means looking ...
The first USB power specification. Introduced in 2007, USB Battery Charging was fixed at 7.5 watts, 5 volts and 1.5 amps. When Version 1.2 was introduced in 2010, the following terms were coined ...