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Product details

Parameters

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Package | Pins | Size

DSBGA (YFP) 28 0 mm² 1.922 x 3.046 open-in-new Find other Battery charger ICs

Features

  • Integrated Wireless Power Supply Receiver
    Solution With a 7-V Regulated Supply
    • 93% Overall Peak AC-DC Efficiency
    • Full Synchronous Rectifier
    • WPC v1.1 Compliant Communication Control
    • Output Voltage Conditioning
    • Only IC Required Between RX Coil and 7-V
      Output
  • WPC v1.1 Compliant (FOD Enabled) Highly
    Accurate Current Sense
  • Dynamic Rectifier Control for Improved Load
    Transient Response
  • Dynamic Efficiency Scaling for Optimized
    Performance Over Wide Range of Output Power
  • Adaptive Communication Limit for Robust
    Communication
  • Supports 20-V Maximum Input
  • Low-power Dissipative Rectifier Overvoltage
    Clamp (VOVP = 15 V)
  • Thermal Shutdown
  • Multifunction NTC and Control Pin for
    Temperature Monitoring, Charge Complete and
    Fault Host Control
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Description

The bq51010B is a family of advanced, flexible, secondary-side devices for wireless power transfer in portable applications. The bq51010B devices provide the AC-DC power conversion and regulation while integrating the digital control required to comply with the Qi v1.1 communication protocol. Together with the bq50xxx primary-side controller, the bq51010B enables a complete contact-less power transfer system for a wireless power supply solution. Global feedback is established from the secondary to the primary to control the power transfer process using the Qi v1.1 protocol.

The bq51010B devices integrate a low resistance synchronous rectifier, low-dropout regulator, digital control, and accurate voltage and current loops to ensure high efficiency and low power dissipation.

The bq51010B also includes a digital controller that can calculate the amount of power received by the mobile device within the limits set by the WPC v1.1 standard. The controller will then communicate this information to the transmitter to allow the transmitter to determine if a foreign object is present within the magnetic interface and introduces a higher level of safety within magnetic field. This Foreign Object Detection (FOD) method is part of the requirements under the WPC v1.1 specification.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet bq51010B Highly Integrated Wireless Receiver Qi (WPC v1.1) Compliant Power Supply datasheet (Rev. A) Jun. 30, 2016
Technical articles When to use rechargeable batteries in small battery applications Oct. 01, 2019
Technical articles Should I use a linear charger or a switching charger? Oct. 30, 2015
Application note Test and Troubleshoot a Wireless Power Receiver Aug. 06, 2014
Technical articles Summertime and the livin' is easy Jun. 20, 2014
User guide bq51010BEVM-764 Evaluation Module (WCSP Package) (Rev. A) Dec. 11, 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Design tools & simulation

CALCULATION TOOL Download
SLUC577A.ZIP (60490 KB)

CAD/CAE symbols

Package Pins Download
DSBGA (YFP) 28 View options

Ordering & quality

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