QFE2101 PA Power Tracking IC

Description

QFE2101 PA Power Tracking IC Slide Number 2 Revision History Slide Number 4 Introduction PA Power Tracking PA Power System within Qualcomm RF360™ QFE2101 QFE2101 Introduction QFE2101 Next Generation APT IC for 4G/3G/2G QFE2101 Features Primary Operating Modes Operational Details – APT Mode (1 of 3) Operational Details – APT Mode (2 of 3) Operational Details – APT Mode (3 of 3) Operational Details – Bypass Mode (1 of 2) Operational Details – Bypass Mode (2 of 2) QFE2101 Package Chipset Support and Available Reference Designs QTI Support for the QFE2101 Reference Documents General Design Guidelines Example Applications Schematic Diagram – SGLTE/DSDA/CT-SVLTE with the Qualcomm RF360 GSM Capacitor Switch Other Example Applications Top-level Placement and Routing QFE2101 Top-level Parts Placement Placement Screenshot Top-level PCB Layout Guidelines Overview of Recommended PCB Routing Special Emphasis – Buck Input Capacitor Routing Resistance Requirements APT Mode Design Guidelines APT Mode Design Guidelines APT Mode Active Circuits APT Buck Converter Circuit Details APT Buck Converter Layout Guidelines (1 of 4) APT Buck Converter Layout Guidelines (2 of 4) APT Buck Converter Layout Guidelines (3 of 4) APT Buck Converter Layout Guidelines (4 of 4) APT Buck Converter Inductor Bypass Mode Design Guidelines Bypass Mode Design Guidelines Bypass Mode Active Circuits Bypass Mode Layout Guidelines Support Circuits – Digital and Analog Digital Support (Modem IC Interface) Design Guidelines (1 of 2) Digital Support (Modem IC Interface) Design Guidelines (2 of 2) MIPI_RFFE Antenna Coupling onto MIPI_RFFE Interfaces MIPI_RFFE Layout Guidelines Additional MIPI_RFFE Comments DC Power and Ground DC Power Supply Example – Schematic DC Power Supply Example – Layout Isolate QFE2101 Input and Output Power Routings (Example Screenshot) QFE2101 Grounds (1 of 2) QFE2101 Grounds (2 of 2) Routing PA Supplies Routing PA Supplies (1 of 2) Routing PA Supplies (2 of 2) Questions?