SLUA893 July   2018 BQ27520-G4 , BQ2970 , BQ2971 , BQ2972 , BQ2973

 

  1. 1TI Tech Note
  2. 2Conclusion
  3. 3Related Information
  4. 4Trademarks

Conclusion

Batteries are increasingly becoming a part of medical technology because of the demand for a smaller solution size to enable portability. The ability to use a device to continuously monitor a patient's health without worrying about battery failures helps to improve the medical industry. As aforementioned, there are numerous benefits to battery fuel gauges such as: State of Charge, capacity estimation, battery protection and authentication, and extended run-time. Texas Instruments offers a broad portfolio selection of battery gauges with small footprints, superior accuracy, and low power consumption. TI’s battery management solutions offer robust algorithms for gauging accuracy. Please refer to Table 1 for a more detailed fuel gauge selection and Related Information for more information on medical applications and battery gauging.

Table 1. Device Recommendations

Device Type of Device Gauge Algorithm
bq27421-G1 System-Side Fuel Gauge Impedance Track™
bq27426 System-Side Fuel Gauge Impedance Track™
bq27520-G4 System-Side Fuel Gauge Impedance Track™
bq27532-G1 System-Side Fuel Gauge and Charger Control Impedance Track™
bq2970 Battery Protector IC N/A