Schematic of the dual-loop linear Li ion charger. The schematic shows the key nodes that are referenced and plotted in the LTSpice simulation. In practice, a 1N4007 diode for D2 also worked well
Figure 1. Schematic of the dual-loop linear Li ion charger. The schematic shows the key nodes that are referenced and plotted in the LTSpice simulation. In practice, a 1N4007 diode for D2 also worked well