SLUAAG7
October 2021
BQ25720
Trademarks
1
Introduction
1.1
Type-C Power Delivery (PD) Connection
1.2
Type-C Battery Charging Topologies
1.3
BQ25720 Overview
2
Design Considerations for Notebook Applications
2.1
Vmin Active Protection (VAP)
2.2
Fast Role Swap (FRS)
2.3
Processor Hot Indication
2.4
Two-Level Battery Discharge Current Limit
2.5
Pass Through Mode (PTM) Operation
2.6
Seamless Mode Transition
2.7
Current and Power Monitor
2.8
Input Source Dynamic Power Management
2.9
Power Up USB Port From Battery (USB OTG)
3
Test Results
4
Summary
5
References
5
References
Texas Instruments:
BQ25720 SMBus 1- to 4-Cell Narrow VDC Buck-Boost Battery Charge Controller With System Power Monitor and Processor Hot Monitor Data Sheet
Texas Instruments:
Combining buck-boost battery chargers and USB Type-C Power Delivery for maximum power density
Understanding USB-C Buck-Boost Battery Charging
Renesas, White Paper
Texas Instruments:
Dual Port USB Type-C Power Delivery (PD) Power-Bank Design Guide