SLYT819 October   2021 BQ25980

 

  1. 1 Introduction
  2. 2 Delivering over 100 W power with USB PD
  3. 3 High-efficiency switched-capacitor DC/DC converters
  4. 4 Output impedance
  5. 5 Switching losses
    1. 5.1 Turnon switching loss
    2. 5.2 Turnoff switching loss
    3. 5.3 Gate driving loss
  6. 6 Dual-phase interleaved switched-capacitor converter
  7. 7 High-power-density switched-capacitor converter
  8. 8 Switched-capacitor converter application: fast charging for portable devices
  9. 9 Conclusion
  10. 10Related Websites
  11. 11Important Notice

10 Related Websites

  1. USB Charger (USB Power Delivery)
  2. https://www.usb.org/sites/default/files/D2T2-1%20-%20USB%20Power%20Delivery.pdf
  3. Michael D. Seeman, “A Design Methodology for Switched-Capacitor DC-DC Converters,” 2009
  4. D. Maksimovic and S. Dhar, “Switched-capacitor dc-dc converters for low-power on-chip applications," IEEE Power Electronics Specialists Conference, pp. 54-59, June1999.
  5. Jeff Falin, Alvaro Aguilar, “Maximize power density with three-level buck-switching chargers,” Analog design journal, Q1, 2021.
  6. BQ25898
  7. BQ25970
  8. TPS25750
  9. HUAWEI Mate40 Pro | 5G
  10. BQ25980
  11. https://www.vivo.com.cn/vivo/iqoo5pro/
  12. D. Maksimovic and S. Dhar. Switched-capacitor DC-DC converters for low-power on-chip applications. In "Power Electronics Specialists Conference", 1999, PESC 99. 30th Annual IEEE, volume 1, pages 54-59, Charleston, SC, June/July 1999.