Click to expand full text
RTQ2117A-QA
Charging Port Controller and Integrated 36V 3A Synchronous Buck Converter
General Description
The RTQ2117A combines a charging port controller, USB 2.0 high-speed data line (D+/D-) switch and a 3A synchronous buck converter.
The RTQ2117A provides the electrical signatures on D+/D- to support charging schemes compatible with the USB 2.0 Battery Charging Specification BC1.2 and Chinese Telecommunication Industry Standard YD/T 1591-2009. Auto-detect mode is also integrated which supports USB 2.0 Battery Charging Specification BC1.2 Dedicated Charging Port (DCP), Divider 3 mode and 1.2V shorted mode to comply with the legacy fast charging mode of mobile devices.