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

1 Introduction

This document serves as a guide on how to monitor temperature on the BQ21040 when an adapter is not present at VIN and the device is in battery only mode.