SLUAAL4 August   2022 BQ21040

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2How Temperature Sensing Works on the BQ21040
    1. 2.1 With Adapter Present
    2. 2.2 Without Adapter Present
  5. 3Example Application
    1. 3.1 Required Devices
    2. 3.2 Setup
  6. 4Procedure
    1. 4.1 Detecting Adapter Removal
    2. 4.2 Detecting Adapter Insertion
    3. 4.3 Logical Flowchart
  7. 5Summary
  8. 6References

3.1 Required Devices

  1. BQ21040
  2. 10k NTC, β = 3370
  3. MCU capable of supplying 50 uA and taking voltage measurements.