Li-ion/Li-polymer chargers offer auto USB, ac power-source selection

摘要

The MCP73837 and MCP73838 dual-input high-current Li-ion/polymer charge-management controllers provide automatic USB or ac adapter power-source selection. The single-cell integrated chargers enable charge currents of up to 1A from an ac power source, plus charging currents of up to 100 or 500 mA from a USB port. They have on-chip safety features, and are available in 10-pin MSOP and 3 × 3-mm DFN packages.