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BQ24070的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:电池管理 IC - 电池充电器 IC
  • 功能描述:具有电源路径、稳压输出为 4.4V 的单节 2A 锂离子线性电池充电器
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BQ24070的产品详情:

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.

BQ24070的优势和特性:
  • 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
BQ24070的参数(英文):
  • Number of series cells
  • 1
  • Charge current (Max) (A)
  • 1.5
  • Operating Vin (Max) (V)
  • 16
  • Cell chemistry
  • Li-Ion/Li-Polymer
  • Battery charge voltage (Min) (V)
  • 4.2
  • Battery charge voltage (Max) (V)
  • 4.2
  • Absolute Vin (safety rating) (Max) ((V))
  • 18
  • Control interface
  • Standalone (RC-Settable)
  • Features
  • BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Power Path
  • Operating Vin (Min) (V)
  • 4.35
  • Rating
  • Catalog
BQ24070具体的完整产品型号参数及价格(美元):

BQ24070的完整型号有:BQ24070RHLR、BQ24070RHLT,以下是这些产品的关键参数及官网采购报价:

BQ24070RHLR,工作温度:-40 to 85,封装:VQFN (RHL)-20,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网BQ24070RHLR的批量USD价格:1.159(1000+)

BQ24070RHLT,工作温度:-40 to 85,封装:VQFN (RHL)-20,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网BQ24070RHLT的批量USD价格:1.391(1000+)

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BQ24070的评估套件:

BQ24070EVM — BQ24070 评估模块

The Texas Instruments bq24070EVM is the evaluation module (EVM) for the bq24070 Single-Chip Charge and Dynamic Power-Path Management IC in 3.5x4.5mm2 QFN package. The EVM is a complete bq24070 based circuit and provides a convenient method to evaluate the operation and performance of the IC.

The (...)

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