SLUAA33A April   2020  – October 2022 BQ25970

 

  1.   How to use the BQ25970 for Flash Charging
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Key BQ25970 Specifications
    2. 1.2 BQ25970 Simplified Power Stage
  4. 2PPS Protocols for BQ25970
    1. 2.1 What is the PPS Protocol?
    2. 2.2 PPS Protocol Working Process Sample
  5. 3Key Design Tips for BQ25970
    1. 3.1 Simplified Schematic
    2. 3.2 How to Translate R on Power Trace From input to Output of BQ25970 or Reversely
    3. 3.3 PCB Layout Tips for BQ25970
  6. 4References
  7. 5Revision History

1 How to use the BQ25970 for Flash Charging

In smartphone applications, end users are always pursuing a faster and cooler charging experience, so the smartphone designer has to face more challenges than before. Texas Instruments released the new generation Flash Charger, BQ25970, to help smartphone designers meet these targets easily. The BQ25970 device can support from 20 W up to 50 W with a typical 97% efficiency with standalone or parallel configuration to provide a better user experience.