BQ24070 - 单片充电和系统电源路径管理 IC

BQ24070是TI德州仪器公司的一款电池充电器IC产品，BQ24070是单片充电和系统电源路径管理 IC，本站介绍了BQ24070的封装应用图解、特点和优点、功能等，并给出了与BQ24070相关的TI元器件型号供参考。

BQ24070 - 单片充电和系统电源路径管理 IC - 电池充电器IC - 电池管理产品 - 德州仪器

产品特性

Small 3.5-mm × 4.5-mm VQFN Package
Designed for Single-Cell Li-Ion- or Li-Polymer-Based Portable Applications
Integrated Dynamic Power-Path Management (DPPM) Feature Allowing the AC Adapter to Simultaneously Power the System and Charge the Battery
Power Supplement Mode Allows Battery to Supplement the AC Input Current
Autonomous Power Source Selection (AC Adapter or BAT)
Supports Up to 2 A Total Current
Thermal Regulation for Charge Control
Charge Status Outputs for LED or System Interface Indicates Charge and Fault Conditions
Reverse Current, Short-Circuit, and Thermal Protection
Power Good Status Outputs
4.4-V and 6-V Options for System Output Regulation Voltage

产品应用

Smart Phones and PDAs
MP3 Players
Digital Cameras and Handheld Devices
Internet Appliances

产品说明

The bq24070 and bq24071 are highly integrated Li-ion linear charger and system power-path management devices targeted at space-limited portable applications. The bq2407x devices offer DC supply (AC adapter) power-path management with autonomous power-source selection, power FETs and current sensors, high-accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device.

The bq2407x devices power the system while independently charging the battery. This feature reduces the charge and discharge cycles on the battery, allows for proper charge termination, and allows the system to run with an absent or defective battery pack. This feature also allows for the system to instantaneously turn on from an external power source in the case of a deeply discharged battery pack. The IC design is focused on supplying continuous power to the system when available from the AC adapter or battery sources.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq24070	VQFN (20)	3.50 mm × 4.50 mm
bq24071	VQFN (20)	3.50 mm × 4.50 mm

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