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BQ24090 - 产品图解：
BQ24090-具有 10kΩ NTC 的 1 A 单输入单节锂离子电池充电器 | 锂离子线性电池充电器 IC
BQ24090-电池充电器IC-电池管理产品-电源管理
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TI产品 - BQ24090介绍

BQ24090 - 具有 10kΩ NTC 的 1 A 单输入单节锂离子电池充电器 | 锂离子线性电池充电器 IC

BQ24090是TI德州仪器公司的一款电池充电器IC产品，BQ24090是具有 10kΩ NTC 的 1 A 单输入单节锂离子电池充电器 | 锂离子线性电池充电器 IC，本站介绍了BQ24090的封装应用图解、特点和优点、功能等，并给出了与BQ24090相关的TI元器件型号供参考。

BQ24090 - 具有 10kΩ NTC 的 1 A 单输入单节锂离子电池充电器 | 锂离子线性电池充电器 IC - 电池充电器IC - 电池管理产品 - 德州仪器

产品特性
  • Charging
    • 1% Charge Voltage Accuracy
    • 10% Charge Current Accuracy
    • Pin Selectable USB 100-mA and 500-mA Maximum Input Current Limit
    • Programmable Termination and Precharge Threshold
  • Protection
    • 6.6 V Over-Voltage Protection
    • Input Voltage Dynamic Power Management
    • 125°C Thermal Regulation; 150°C Thermal Shutdown Protection
    • OUT Short-Circuit Protection and ISET Short Detection
    • Operation Over JEITA Range via Battery NTC – ½ Fast-Charge-Current at Cold, 4.06V at Hot, bq24092/3
    • Fixed 10-Hour Safety Timer
  • System
    • Automatic Termination and Timer Disable Mode (TTDM) for Absent Battery Pack With Thermistor
    • Status Indication – Charging/Done
    • Available in Small 10-Pin MSOP Package
产品应用
  • Smart Phones
  • PDAs
  • MP3 Players
  • Low-Power Handheld Devices
产品说明

The bq2409x series of devices are highly integrated Li-ion and Li-Pol linear chargers devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters.

The bq2409x has a single power output that charges the battery. A system load can be placed in parallel with the battery as long as the average system load does not keep the battery from charging fully during the 10-hour safety timer.

The battery is charged in three phases: conditioning, constant current and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an internal temperature threshold is exceeded.

 

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
bq2409xHVSSOP (10)3.00 mm x 3.00 mm
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