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BQ51051B - 产品图解：
BQ51051B-集成线电源锂离子充电器接收器，符合 Qi (WPC) 标准
BQ51051B-线电源解决方案-电池管理产品-电源管理
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TI产品 - BQ51051B介绍

BQ51051B - 集成无线电源锂离子充电器接收器，符合 Qi (WPC) 标准

BQ51051B是TI德州仪器公司的一款无线电源解决方案产品，BQ51051B是集成无线电源锂离子充电器接收器，符合 Qi (WPC) 标准，本站介绍了BQ51051B的封装应用图解、特点和优点、功能等，并给出了与BQ51051B相关的TI元器件型号供参考。

BQ51051B - 集成无线电源锂离子充电器接收器，符合 Qi (WPC) 标准 - 无线电源解决方案 - 电池管理产品 - 德州仪器

产品特性
  • Single-Stage Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger
    • Combines Wireless Power Receiver, Rectifier, and Battery Charger in a Single, Small Package
    • 4.20-V, 4.35-V, and 4.40-V Output Voltage Options
    • Supports a Charging Current up to 1.5 A
    • 93% Peak AC-DC Charging Efficiency
  • Robust Architecture
    • 20-V Maximum Input Voltage Tolerance, With Input Overvoltage Protection
    • Thermal Shutdown and Overcurrent Protection
    • Temperature Monitoring and Fault Detection
  • Compatible With WPC v1.1 Qi Industry Standard
  • Power Stage Output Tracks Rectifier and Battery Voltage to Ensure Maximum Efficiency Across the Full Charge Cycle
  • Available in Small DSGBA and VQFN Packages
产品应用
  • Battery Packs
  • Cell Phones and Smart Phones
  • Headsets
  • Portable Media Players
  • Other Handheld Devices
产品说明

The bq5105x device is a high-efficiency, Qi-compliant wireless power receiver with an integrated Li-Ion/Li-Pol battery charge controller for portable applications. The bq5105xB devices provide efficient AC-DC power conversion, integrates the digital controller required to comply with Qi v1.1 communication protocol, and provides all necessary control algorithms needed for efficient and safe Li-Ion and Li-Pol battery charging. Together with the bq500212A transmitter-side controller, the bq5105x enables a complete wireless power transfer system for direct battery charger solutions. By using near-field inductive power transfer, the receiver coil embedded in the portable device can pick up the power transmitted by transmitter coil. The AC signal from the receiver coil is then rectified and conditioned to apply power directly to the battery. Global feedback is established from the receiver to the transmitter to stabilize the power transfer process. This feedback is established by using the Qi v1.1 communication protocol.

The bq5105xB devices integrate a low-impedance synchronous rectifier, low-dropout regulator (LDO), digital control, charger controller, and accurate voltage and current loops in a single package. The entire power stage (rectifier and LDO) use low-resistance N-MOSFETs (100-mΩ typical Rdson) to ensure high efficiency and low power dissipation.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
bq51050B bq51051B bq51052BVQFN (20)4.50 mm × 3.50 mm
DSBGA (28)3.00 mm × 1.90 mm
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