BQ2561x FAQ Home Page
This home page is for common questions in relation to the BQ25611D, BQ25616, BQ25616J, BQ25618, BQ25619, and BQ25618E.
FAQs
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Charging regulation:
- Why does ICHG reduce when reaching the maximum duty cycle?
- Why does ICHG reduce during the input current DPM (Dynamic Power Management) or the input voltage DPM?
- How does JEITA apply as it relates to charge voltage and charge current?
System regulation:
- Why VSYS does not start up normally when there is a loading on the SYS and the battery is not present?
- Why does the LED connected to STAT pin flashes and the SYS voltage unstable when battery is not connected?
Safety features:
OTG function:
Miscellaneous:
Software:
Application Notes
- Selection of Single-Cell Buck Narrow VDC Switching Battery Chargers
- Dynamic Power-Path Mgmt & Dynamic Power Mgmt (Rev. A)
- Battery Charger Overload Protection in Boost Mode Operation
- USB D+/D- Input Current Limit Detection
- High-Efficiency Charging for TWS Using a 2-Pin Interface Application Report (Rev. A)
Other Documentation
- How to choose the right charger for industrial batteries
- Powering the smart home with a simple charger
- Benefits of rechargeable batteries in real-time location system trackers
Datasheets
- BQ25618/619 I2C Controlled 1-Cell 1.5-A Battery Charger with 20-mA Termination and 1-A Boost Operation datasheet (Rev. D)
- BQ25616/616J Standalone 1-Cell 3.0-A Buck Battery Charger with Power Path and 1.2-A Boost Operation datasheet (Rev. A)
- BQ25611D I2C Controlled 1-Cell 3.0-A Buck Battery Charger With USB Detection datasheet (Rev. B)
