LP8727

LP8727 www.ti.com SNVS898A – OCTOBER 2012 – REVISED MAY 2013 Micro/Mini USB Interface with Integrated 28V Charger Check for Samples: LP8727 FEATURES 1 2 USB Multiplexing Switches – High-Speed USB on USB and UART Inputs – Negative Voltage Rail on Audio Inputs – Internal LDO for ID Detection and MIC Bias – Compatible with USB Charging Specification Rev. 1.1 – DSS Input for Default Switch Connection – Low-Power MIC Standby Mode Linear Charge with Single Input – 28 OVP on VBUS Input – High-Current Mode for Production Test – Thermal Regulation Over-Voltage Protected LDO for USB Transceivers and PMU Wakeup UVLO (Undervoltage Lock Out) Interrupt Request to Reduce SW Polling – USB / ID Detection – SEND / END Button Detection – Mic Removal – OVLO / UVLO on VBUS – Charger Status Thermal Shutdown Protection I2C-compatible Serial Interface 25-Bump 0.4 mm Pitch Thin DSBGA Package APPLICATIONS GSM, GPRS, EDGE, CDMA & WCDMA handsets Portable Media Players / MP3 Players DESCRIPTION The LP8727 is designed to provide automatic multiplexing switches between Micro/Mini USB connector and USB, UART and Audio paths in cellular phone applications. It also contains a singleinput Li-Ion battery charger and an overvoltageprotected LDO. Programming is handled via an I2Ccompatible Serial Interface allowing control of charger, multiplexing switches, and reading status information of the device. The multiplexing switches on USB and UART support high-speed USB, and Audio inputs can b...