SLUAAM6 November   2022 BQ24190 , BQ24192 , BQ24192I , BQ24195 , BQ24195L , BQ24196 , BQ24292I , BQ24295 , BQ24296 , BQ24297 , BQ24298 , BQ25600 , BQ25600D , BQ25601 , BQ25601D , BQ25606 , BQ25611D , BQ25616 , BQ25618 , BQ25619 , BQ25620 , BQ25622 , BQ25890 , BQ25890H , BQ25892 , BQ25895 , BQ25896 , BQ25898 , BQ25898D

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Input Current Limit Detection
    2. 1.2 Control Methodology Host Controlled vs Stand-Alone
    3. 1.3 Battery Monitoring and Protection
    4. 1.4 Boost Mode On-The-Go (OTG) Output
  4. 2Stand-Alone Single-Cell Switching Battery Chargers
  5. 3I2C-Controlled 3.9 V – 14 V Single-Cell Switching Battery Chargers With Battery Monitoring (BQ2589x and BQ25898x)
  6. 4I2C-Controlled 3.9 V – 17 V VBUS Single-Cell Switching Battery Chargers (BQ2419x)
  7. 5I2C-Controlled 3.9 V – 6.2 V VBUS Single-Cell Switching Battery Chargers (BQ2429x)
  8. 6I2C-Controlled 3.9 V – 13.5 V VBUS Single-Cell Switching Battery Chargers (BQ2560x and BQ2561x)
  9. 7I2C-Controlled 3.9 V – 18 V VBUS Single-Cell Switching Battery Chargers (BQ2562x)
  10. 8Summary
  11. 9References

3 I2C-Controlled 3.9 V – 14 V Single-Cell Switching Battery Chargers With Battery Monitoring (BQ2589x and BQ25898x)

Both BQ2589x in QFN package and BQ25898x WCSP package are full-featured chargers with battery monitoring function.

Table 3-1 shows device comparison for BQ2589x product family in 4 mm × 4 mm QFN package.

Table 3-1 BQ2589x Device Comparison
FeaturesBQ25890BQ25892BQ25896BQ25890HBQ25895BQ25895M
Max Charge Current5 A5 A3 A5 A5 A5 A
Boost Mode Output Current2.4 A2.4 A2 A2.4 A3.1 A3.1 A
USB DetectionD+/D-PSELPSELD+/D-D+/D-D+/D-
HVDCP Support

Yes

Default Enable

Yes

Default Enable

No

BC1.2 Only

Yes

Default Enable

Yes

Default Enable

Yes

Default Disable

Default Battery Voltage4.2 V4.2 V4.2 V4.2 V4.2 V4.35 V
IR CompensationYesYesYesYesYesYes
Direct BATSENSENoNoNoNoNoNo
Input Control Optimization (ICO)YesYesYesYesYesYes
I2C Default Input Current Limit3.25 A3.25 A3.25 A3.25 A3.25 A3.25 A
ILIM PinYesYesYesYesYesYes
Default Charge Current2 A2 A2 A2 A2 A2 A
ADC Battery MonitoringYesYesYesYesYesYes
QON Full System Reset (QON Pin)YesYesYesYesYesYes
D+/D- DriverNoNoNoYesNoNo
VOK DriverNoNoNoNoNoNo
Status OutputSTATSTAT/PGSTAT/PGSTATSTATSTAT
Temperature Profile (TS Pin)JEITAJEITAJEITAJEITAJEITAJEITA
PackageQFNQFNQFNQFNQFNQFN
I2C Address6AH6BH6BH6AH6AH6AH

Table 3-2 shows device comparison for BQ25898x product family in 2.8 mm × 2.5 mm WCSP package

Table 3-2 BQ25898x Device Comparison
Features BQ25898D BQ25898 BQ25898C
Max Charge Current 4 A 4 A 3 A
Boost Mode Output Current 2.4 A 2.4 A Not Supported
USB Detection D+/D- PSEL PSEL
HVDCP Support

Yes

Default Enable

Yes

Default Enable

No

BC1.2 Only
MTK-PE+ Support (Autonomous / Software) Yes (Auto) Yes (Auto) Not Supported
Default Battery Voltage 4.2 V 4.2 V 4.2 V
IR Compensation Yes Yes No
Direct BATSENSE Yes Yes Yes
Input Control Optimization (ICO) Yes Yes No
I2C Default Input Current Limit 3.25 A 3.25 A 1.5 A
ILIM Pin Yes Yes No
Default Charge Current 2 A 2 A Charge Disabled
ADC Yes Yes Yes
QON Full System Reset (QON Pin) Yes Yes No
D+/D- Driver Yes No No
VOK Driver No Yes No
Status Output STAT STAT/PG STAT/PG
Temperature Profile (TS Pin) JEITA JEITA Not Supported
Package WCSP WCSP WCSP
I2C Address 6AH 6BH 6BH