BQ24032A - 充电器，具有动态电源路径管理、输出稳压至 4.4V、电池稳压 4.2V

BQ24032A是TI德州仪器公司的一款电池充电器IC产品，BQ24032A是充电器，具有动态电源路径管理、输出稳压至 4.4V、电池稳压 4.2V，本站介绍了BQ24032A的封装应用图解、特点和优点、功能等，并给出了与BQ24032A相关的TI元器件型号供参考。

BQ24032A - 充电器，具有动态电源路径管理、输出稳压至 4.4V、电池稳压 4.2V - 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 QFN Package
Designed for Single-Cell Li-Ion- or Li-Polymer-Based Portable Applications
Integrated Dynamic Power-Path Management (DPPM) Feature Allowing the AC Adapter or the USB Port to Simultaneously Power the System and Charge the Battery
Power Supplement Mode Allows Battery to Supplement the USB or AC Input Current
Autonomous Power Source Selection (AC Adapter or USB)
Integrated USB Charge Control With Selectable 100-mA and 500-mA Maximum Input Current Regulation Limits
Dynamic Total Current Management for USB
Supports Up to 2-A Total Current
3.3-V Integrated LDO Output
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 (AC Adapter and USB Port Present) Status Outputs
Charge Voltage Options: 4.1 V, 4.2 V, or 4.36 V

产品应用

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

产品说明

The bqTINY™ III-series of devices are highly integrated Li-ion linear chargers and system power-path management devices targeted at space-limited portable applications. The bqTINY III-series offer integrated USB-port and 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 bqTINY III-series powers 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, USB, or battery sources.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq24030	VQFN (20)	4.50 mm × 3.50 mm
bq24031
bq24032A
bq24035
bq24038

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