BQ24161B 2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path* | TI.com

BQ24161B (ACTIVE)

2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path*

 

Description

The bq24160, bq24160A, bq24161, bq24161B, bq24163, and bq24168 are highly integrated single-cell Li-Ion battery charger and system power path management devices targeted for space-limited, portable applications with high-capacity batteries. The single-cell charger has dual inputs which allow operation from either a USB port or a higher-power input supply (that is, AC adapter or wireless charging input) for a versatile solution. The two inputs are fully isolated from each other and are easily selectable using the I2C interface.

The power path management feature allows the bq2416xx to power the system from a high-efficiency DC-DC converter while simultaneously and independently charging the battery. The power-path management architecture enables the system to run with a defective or absent battery pack and enables instant system turnon even with a totally discharged battery or no battery.

Features

  • High-Efficiency Switched-Mode Charger with Separate Power Path Control
    • Instantly Start Up System from a Deeply Discharged Battery or No Battery
  • Compatible with MaxLife™ Technology for Faster Charging When Used in Conjunction With bq27530
  • Dual Input, Integrated FET Charger for up to 2.5-A Charging
    • 20-V input rating, with Overvoltage Protection (OVP)
      • 6.5 V for USB Input up to 1.5 A
      • 10.5 V for IN input (bq24160, bq24160A, bq24161, bq24163) up to 2.5 A
      • 6.5 V for IN input (bq24168) up to 2.5 A
  • Safe and Accurate Battery-Management Functions
    • 1% Battery Regulation Accuracy
    • 10% Charge Current Accuracy
  • Charge Parameters Programmed Using I2C Interface
  • Voltage-Based, NTC Monitoring Input
    • JEITA Compatible (bq24160, bq24160A, bq24161B, bq24163, bq24168)
  • Available in small 2.8-mm × 2.8-mm 49-ball WCSP or 4-mm × 4-mm VQFN-24 Packages

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Parametrics Compare all products in Battery charger ICs

 
Number of series cells
Function
Cell chemistry
Charge current (Max) (A)
Operating Vin (Min) (V)
Operating Vin (Max) (V)
Absolute Vin (safety rating) (Max) ((V))
Battery charge voltage (Min) (V)
Battery charge voltage (Max) (V)
Features
Control interface
Control topology
Rating
Operating temperature range (C)
Package Group
Package size: mm2:W x L (PKG)
BQ24161B BQ24160 BQ24160A BQ24161 BQ24163 BQ24165 BQ24166 BQ24168
1     1     1     1     1     1     1     1    
Charger     Charger     Charger     Charger     Charger     Charger     Charger     Charger    
Li-Ion/Li-Polymer     Li-Ion/Li-Polymer     Li-Ion/Li-Polymer     Li-Ion/Li-Polymer     Li-Ion/Li-Polymer     Li-Ion/Li-Polymer     Li-Ion/Li-Polymer     Li-Ion/Li-Polymer    
2.5     2.5     2.5     2.5     2.5     2.5     2.5     2.5    
4.2     4.2     4.2     4.2     4.2     4.2     4.2     4.2    
10     10     10     10     10     10     10     6    
20     20     20     20     20     20     20     20    
3.5     3.5     3.5     3.5     3.5     4.2     4.2     3.5    
4.44     4.44     4.44     4.44     4.44     4.2     4.2     4.44    
IINDPM
Integrated FET
JEITA BAT Temp Monitoring (Thermistor Pin)
OVP
Power Path
Temp Monitoring (Thermistor Pin)
UVLO    
IINDPM
Integrated FET
JEITA BAT Temp Monitoring (Thermistor Pin)
OVP
Power Path
Temp Monitoring (Thermistor Pin)
UVLO
USB D+/D-/BC1.2    
IINDPM
Integrated FET
JEITA BAT Temp Monitoring (Thermistor Pin)
OVP
Power Path
Temp Monitoring (Thermistor Pin)
UVLO
USB D+/D-/BC1.2    
IINDPM
Integrated FET
OVP
Power Path
Temp Monitoring (Thermistor Pin)
UVLO    
IINDPM
Integrated FET
JEITA BAT Temp Monitoring (Thermistor Pin)
OVP
Power Path
Temp Monitoring (Thermistor Pin)
USB D+/D-/BC1.2
UVLO    
Integrated FET
JEITA BAT Temp Monitoring (Thermistor Pin)
OVP
Power Path
Temp Monitoring (Thermistor Pin)
UVLO
VINDPM    
Integrated FET
OVP
Power Path
Temp Monitoring (Thermistor Pin)
UVLO
VINDPM    
IINDPM
Integrated FET
JEITA BAT Temp Monitoring (Thermistor Pin)
OVP
Power Path
Temp Monitoring (Thermistor Pin)
UVLO    
I2C     I2C     I2C     I2C     I2C     I2C     Standalone (RC-Settable)     I2C    
Switch-Mode Buck     Switch-Mode Buck     Switch-Mode Buck     Switch-Mode Buck     Switch-Mode Buck     Switch-Mode Buck     Switch-Mode Buck     Switch-Mode Buck    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 85     -40 to 85       -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85    
VQFN | 24     DSBGA | 49
VQFN | 24    
VQFN | 24     DSBGA | 49
VQFN | 24    
DSBGA | 49
VQFN | 24    
DSBGA | 49
VQFN | 24    
DSBGA | 49
VQFN | 24    
DSBGA | 49
VQFN | 24    
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)     See datasheet (DSBGA)
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)    
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)     See datasheet (DSBGA)
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)    
See datasheet (DSBGA)
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)    
See datasheet (DSBGA)
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)    
See datasheet (DSBGA)
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)    
See datasheet (DSBGA)
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)