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BQ24108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:具有闪烁状态引脚的独立单节 2A 同步降压电池充电器
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BQ24108的产品详情:

The bqSWITCHER™ series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER™ series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced VQFN package. The system-controlled version provides additional inputs for full charge management under system control.

The bqSWITCHER™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on user- selectable minimum current level. A programmable charge timer provides a safety backup for charge termination. The bqSWITCHER™ automatically restarts the charge cycle if the battery voltage falls below an internal threshold. The bqSWITCHER™ automatically enters sleep mode when VCC supply is removed.

BQ24108的优势和特性:
  • Ideal For Highly Efficient Charger Designs For Single-, Two-, or Three-Cell Li-Ion and Li-Polymer Battery Packs
  • bq24105 Also for LiFePO4 Battery (see Using bq24105 to Charge the LiFePO4 Battery)
  • Integrated Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHz With 0% to 100% Duty Cycle
  • Integrated Power FETs for Up To 2-A Charge Rate
  • High-Accuracy Voltage and Current Regulation
  • Available in Both Stand-Alone (Built-In Charge Management and Control) and System-Controlled (Under System Command) Versions
  • Status Outputs for LED or Host Processor Interface Indicates Charge-In-Progress, Charge Completion, Fault, and AC-Adapter Present Conditions
  • 20-V Maximum Voltage Rating on IN and OUT Pins
  • High-Side Battery Current Sensing
  • Battery Temperature Monitoring
  • Automatic Sleep Mode for Low Power Consumption
  • System-Controlled Version Can Be Used in NiMH and NiCd Applications
  • Reverse Leakage Protection Prevents Battery Drainage
  • Thermal Shutdown and Protection
  • Built-In Battery Detection
  • Available in 20-Pin, 3.50 mm × 4.50 mm VQFN Package
  • APPLICATIONS
    • Handheld Products
    • Portable Media Players
    • Industrial and Medical Equipment
    • Portable Equipment

All other trademarks are the property of their respective owners

BQ24108的参数(英文):
  • Number of series cells
  • 1
  • Charge current (Max) (A)
  • 2
  • 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))
  • 20
  • Control interface
  • Standalone (RC-Settable)
  • Features
  • BAT temp thermistor monitoring (hot/cold profile), Input OVP
  • Operating Vin (Min) (V)
  • 4.35
  • Rating
  • Catalog
BQ24108具体的完整产品型号参数及价格(美元):

BQ24108的完整型号有:BQ24108RHLR,以下是这些产品的关键参数及官网采购报价:

BQ24108RHLR,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BQ24108RHLR的批量USD价格:2.132(1000+)

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BQ24108的评估套件:

TEMPSENSE-SW — 温度传感设计软件

The TempSense Designer software allows the user to easily design temperature sensing circuits for many of the Texas Instruments battery charger devices. A full listing of the supported devices is included under the "Support" menu in the program. The user can use the thermisters included in the (...)
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