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

BQ24161B是TI德州仪器公司的一款电池充电器IC产品，BQ24161B是2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path*，本站介绍了BQ24161B的封装应用图解、特点和优点、功能等，并给出了与BQ24161B相关的TI元器件型号供参考。

BQ24161B - 2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path* - 电池充电器IC - 电池管理产品 - 德州仪器

产品特性

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

产品应用

Handheld Products
Portable Media Players
Portable Equipment
Netbook and Portable Internet Devices

产品说明

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.

Device Information

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq2416xx	VQFN (24)	4.00 mm × 4.00 mm
bq2416xx	DSBGA (49)	2.80 mm × 2.80 mm

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