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BQ24103 - 产品图解:
BQ24103-采用 QFN 封装具有 2A FET 的 bqSWITCHER(TM) 同步开关模式锂离子充电器,1 节或 2 节独立版本
BQ24103-电池充电器IC-电池管理产品-电源管理
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TI产品 - BQ24103介绍
BQ24103 - 采用 QFN 封装具有 2A FET 的 bqSWITCHER(TM) 同步开关模式锂离子充电器,1 节或 2 节独立版本

BQ24103是TI公司的一款电池充电器IC产品,BQ24103是采用 QFN 封装具有 2A FET 的 bqSWITCHER(TM) 同步开关模式锂离子充电器,1 节或 2 节独立版本,本页介绍了BQ24103的产品说明、应用、特性等,并给出了与BQ24103相关的TI元器件型号供参考。

BQ24103 - 采用 QFN 封装具有 2A FET 的 bqSWITCHER(TM) 同步开关模式锂离子充电器,1 节或 2 节独立版本 - 电池充电器IC - 电池管理产品 - TI公司(Texas Instruments,德州仪器)

产品特性
  • 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
产品应用
  • Handheld Products
  • Portable Media Players
  • Industrial and Medical Equipment
  • Portable Equipment
产品说明

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.

Device Information (1)
PART NUMBERPACKAGEBODY SIZE (NOM)
bq241xxVQFN (20)3.50 mm × 4.50 mm
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