[FAQ] BQ2560x FAQs

BQ2560x FAQ Home Page

This is the home page for common questions in relation to the BQ25600, BQ25600D, BQ25600C, BQ25601, BQ25601D, and BQ25606.

FAQs

Charge 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:

• How does the charge safety timer work?

OTG function:

• Why does PMID pin voltage dip during VBUS removal transient to OTG (on-the-go boost) mode?

Miscellaneous:

• Schematic and PCB layout design tips
• BQ2560x FAQs PDF

Software:

• Could TI provide the sample Linux driver for the BQ2560x?

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
• Designing Standalone Single Cell 3-A Charger with bq25606

Other Documentation

• How to choose the right charger for industrial batteries
• Powering the smart home with a simple charger

Datasheets

• BQ25601 I2C Controlled 1-Cell 3-A Buck Battery Charger for High Input Voltage and NVDC Power Path Management datasheet (Rev. A)
• BQ25600 and BQ25600D I2C Controlled 1-Cell 3.0-A Buck Battery Chargers for High-Input Voltage and NVDC Power Path Management datasheet (Rev. B)
• BQ25606 Standalone 1-Cell 3.0-A Buck Battery Charger datasheet (Rev. C)

EVM User Guides

• bq25600, bq25600D PWR771 EVM User’s Guide - also BQ25600C
• bq25606 PWR772 Evaluation Module (Rev. A)
• BQ25601 and BQ25601D (PWR877) Evaluation Module User’s Guide (Rev. A)