The MikroElektronika Charger 18 Click is a compact add on board representing a single cell battery charger. This board features the LTC3553 which is a micro power, highly integrated power management, and battery charger for single cell Li Ion or Polymer battery applications from Analog Devices. Designed specifically for USB applications, it also includes a power path manager with automatic load prioritization and input current limit, a battery charger and numerous internal protection features. It also indicates a battery charge state, and it comes with a synchronous 200mA buck regulator and a 150mA low dropout linear regulator. This Click board is suitable as a Li Ion or Polymer battery charger for portable devices and accessories, power tools, and more.

High efficiency
Integrated buck and LDO regulators
Programmable input current limit
Battery charging indication