Ant2 is a tiny USB-C LiPo charger measuring just 16 x 9 mm in footprint. It is 30% smaller than the first Ant and is barely larger than the USB-C connector. It uses a popular Microchip MCP73831 in a DFN package, which minimizes the risk of thermal throttling.
Meerkat Supercapacitor Charger is compact and versatile, designed to support common 2.5V and 2.7V EDLC supercapacitors. Wide input voltage ranges from 4.5 V to 16 V and adjustable Maximum Power Point provides the capability to use various power supplies, including solar panels. The charging current and end-of-charge voltage can be easily adjusted with a jumper.