SLUAAG7 October   2021 BQ25720

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Type-C Power Delivery (PD) Connection
    2. 1.2 Type-C Battery Charging Topologies
    3. 1.3 BQ25720 Overview
  3. 2Design Considerations for Notebook Applications
    1. 2.1 Vmin Active Protection (VAP)
    2. 2.2 Fast Role Swap (FRS)
    3. 2.3 Processor Hot Indication
    4. 2.4 Two-Level Battery Discharge Current Limit
    5. 2.5 Pass Through Mode (PTM) Operation
    6. 2.6 Seamless Mode Transition
    7. 2.7 Current and Power Monitor
    8. 2.8 Input Source Dynamic Power Management
    9. 2.9 Power Up USB Port From Battery (USB OTG)
  4. 3Test Results
  5. 4Summary
  6. 5References

4 Summary

The USB Type-C/PD adapter is gaining popularity and becoming a universal charging standard. The buck-boost battery charger is a preferable solution for notebook applications with a wide input range provided by USB Type-C ports. BQ25720 is equipped with smooth transitions between operation modes, adaptability for different adapters, and extensive safety features. BQ25720 is an ideal solution for notebook applications that use a Type-C interface as power input.