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Product details

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Features

  • Digital Controller Compatible with Wireless Power
    Consortium v1.2 A11 Specification
  • Designed to be Used with bq50002 Analog Front
    End
  • Suitable for WPC and Proprietary 5-V Wireless
    Power Transmitters
  • Supports Received Power up to 5 W
  • Two Chip Solution Enables High Efficiency
    Transmitter Designs of >75%
  • Ultra Low Standby Power, Even During Digital
    Ping (<30 mW)
  • Dynamic Power Limiting (DPL)™ Enables
    Operation from Inputs Sources with Limited Power
  • System LED Indication of Charging State and
    Fault Status
  • Accurate Foreign Object Detection Method (FOD)
    Prevents Heating of Objects Between Transmitter
    and Receiver Coils
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Description

The bq500511 is a wireless power transmitter controller that, when combined with the bq50002 analog front end device, integrates all functions required to create a Qi-compliant or proprietary 5-V transmitter. The bq500511 and bq50002 together provide a compact wireless charger solution. The bq500511 pings the surrounding environment for the receiver devices to be powered, safely engages the device, receives packet communication from the powered device and manages the power transfer according to WPC v1.2 specification.

To maximize flexibility in wireless power control applications, Dynamic Power Limiting™ (DPL) is featured on the bq500511. DPL enhances user experience by seamlessly optimizing the usage of power available from limited input supplies.

The system supports Foreign Object Detection (FOD) by continuously monitoring the efficiency of the established power transfer, protecting from power lost due to metal objects misplaced in the wireless power transfer field. Should any abnormal condition develop during power transfer, the bq500511 handles the condition and provides indication outputs. Comprehensive status and fault monitoring features enable a low cost yet robust Qi-certified wireless power system design.

The bq500511 is available in a thermally enhanced 6 mm x 6 mm, 40-pin VQFN package.

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Technical documentation

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Type Title Date
* Datasheet bq500511 Low Cost 5-V Wireless Power Transmitter Controller for WPC v1.2 A11 Transmitters datasheet (Rev. A) Oct. 20, 2015
Technical articles When to use rechargeable batteries in small battery applications Oct. 01, 2019
Application notes bq500511 Wireless Power Transmitter I2C Interface Mar. 04, 2016
Technical articles Got 30 minutes? 5 things you can’t miss in the TI Village Jan. 06, 2016
Technical articles TI demonstrates engineering creativity for consumer electronics at CES 2016 Nov. 30, 2015
Technical articles Your secret weapon to integrated 5W wireless charging Nov. 19, 2015
User guides BQ50002 Wireless Power TX Evaluation Module User's Guide Oct. 16, 2015

Design & development

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

Software development

SUPPORT SOFTWARE Download
SLUC525V.ZIP (188478 KB)
SUPPORT SOFTWARE Download
SLUC564FW.ZIP (2777 KB)

Design tools & simulation

CAD/CAE SYMBOLS Download
SLUC596.ZIP (1182 KB)
GERBER FILES Download
SLUC597.ZIP (537 KB)

Reference designs

REFERENCE DESIGNS Download
Small Form Factor 1W Wireless Power Transmitter Reference Design
TIDA-00762 This wireless power transmitter reference design is a practical layout in a compact 14mm X 22mm (280mm sq) area. The solution uses the bq500511 digital chip and bq50002 analog front end Gen3 transmitter solution, combined to provide ease of use and product quality with a cost competitive (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Small 5W Wireless Power Transmitter Reference Design
TIDA-00623 The TIDA-00623 wireless power reference design is a practical layout in a compact 1 sq inch area. The solution uses the bq500511 digital chip and bq50002 analog front end Gen3 transmitter solution, combined to provide ease of use and product quality with a cost competitive solution.  The (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
VQFN (RHA) 40 View options

Ordering & quality

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