BQ2589x FAQ Home Page
This home page is for common questions in relation to the BQ25890, BQ25890H, BQ25892, BQ25895, BQ25895M, BQ25896, BQ25898, BQ25898D, and BQ25898C.
FAQs
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Charging regulation:
- Why does ICHG reduce when reaching the maximum duty cycle?
- Why does ICHG reduce during input voltage DPM (Dynamic Power Management) or the input current DPM?
System regulation:
- Why does the LED connected to STAT pin flashes and the SYS voltage unstable when battery is not connected?
- Why VSYS does not start up normally when there is a loading on the SYS and the battery is not present?
OTG function:
Miscellaneous:
- Why ADC monitoring sometimes does not work when battery only mode?
- BQ2589X: Schematic Review and PCB Layout Design Tips
- Difference between BQ25890 and BQ25890H
Software:
Application Notes
- Selection of Single-Cell Buck Narrow VDC Switching Battery Chargers
- Battery Charger Overload Protection in Boost Mode Operation
- USB D+/D- Input Current Limit Detection
- Optimize your application with a power path battery charger
- Extracting Maximum Power from an Adapter with Input Current Optimization Feature
- DPDM Control Process Evaluation in BQ2589x Family Supporting HVDCP MaxCharge
Datasheets
- BQ25895 I2C Controlled Single Cell 5-A Fast Charger with MaxChargeTM for High Input Voltage and Adjustable Voltage 3.1-A Boost Operation datasheet (Rev. C)
- BQ25890/2 I2C Controlled Single Cell 5-A Fast Charger with MaxChargeTM Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode datasheet (Rev. D)
- bq25898, bq25898D I2C Controlled Single Cell 4-A Fast Charger with MaxCharge Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode datasheet (Rev. B)
- bq25896 I2C Controlled Single Cell 3-A Fast Charger with MaxChargeTM Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode datasheet (Rev. C)
- BQ25895M I2C Controlled Single Cell Fast Charger with MaxChargeTM Technology for High Input Voltage and Adjustable Voltage 3.1 A Boost Operation datasheet (Rev. C)
- bq25898C I2C Controlled Single Cell 3-A Charger for High Input Voltage in Compact DSBGA Package datasheet (Rev. B)
- BQ25890H I2C Controlled Single Cell 5-A Fast Charger with MaxChargeTM Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode datasheet (Rev. A) (ti.com)
