QFE2101 PA Power Tracking IC

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?