SLUAAJ8 January   2023 BQ25180

 

  1.   Abstract
  2.   Trademarks
  3. 1Temperature Sensing
    1. 1.1 Temperature Sensing and JEITA Standard
    2. 1.2 Current Driven TS Function
    3. 1.3 Calculating RS and RP
  4. 2BQ25180 and NTC Monitoring Calculator
  5. 3Example of TS Circuit Design
  6. 4References

Abstract

The Temperature Sensing (TS) function is a vital function for providing batteries charge and to operate within a safe temperature range. The BQ25180 provides a TS design as a current source that biases a resistor network with an NTC thermistor. Although the TS is designed to work with NTC of particular characteristics, external resistors extend the NTCs which can be used with the BQ25180. The External NTC Monitoring Calculator, which is available on the TI-Charger GUI, provides an easy means to check the configured application's expected TS behavior.