RT9511
RT9511 is Fully Integrated Battery Charger manufactured by Richtek.
Fully Integrated Battery Charger with Two Step-Down Converters
General Description
The RT9511 is a fully integrated low cost solution with a single-cell Li-Ion battery charger and two high efficiency step-down DC/DC converters ideal for portable applications.
The Battery Charger is capable of being powered up from AC adapter and USB (Universal Serial Bus) port inputs which can automatically detect and select the AC adapter and the USB port as the power source for the charger. The Battery Charger enters sleep mode when both supplies are removed. The Battery Charger optimizes the charging task by using a control algorithm including preconditioning mode, fast charge mode and constant...