LT3653, Circuit shows charging a single cell Li-ion battery from either a USB input or high voltage input

Circuit shows charging a single cell Li-ion battery from either a USB input or high voltage input. This solution offers a seamless, Highly efficient, Low part count approach to dual input charging and PowerPath control of a Li-ion battery-powered application. If additional integration is required for more system supplies, the LT3653 can be used in a similar fashion with the LTC3576 PMIC