500mA Wireless Charger BoosterPack with Gauge Reference Design

(ACTIVE) TIDA-00669

Description & Features

Technical Documents

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Key Document

Description

The TIDA-00669 is a BoosterPack reference design that provides a wireless charger and an entire battery managment solution to power any TI LaunchPad (www.ti.com/launchpad). This design is a  highly integrated power management solution that is well-suited for low power applications. The primary method of storage is an exteranl Li-Polymer rechargable Battery.

Features
  • Low cost off the shelf coil with on board wireless receiver
  • External Li-Ion Li-Polymer Battery 1Ah-2Ah
  • 190uA quiescent current
  • 3.3Vdc buck/boost to power the Launchpad
  • 5V boost to power support circuitry
  • Stackable design allows for creating a complete solution

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
BQ27421-G1  System-Side(tm) Fuel Gauge With Integrated Sense Resistor | Battery Gas Gauge  Battery management  Sample & Buy View Design Kits & Evaluation Modules
BQ2970  Li-Ion/Li Polymer Advanced Single-Cell Battery Protector IC Family  Battery management  Sample & Buy View Design Kits & Evaluation Modules
BQ51050B  Qi (WPC) Compliant Highly Integrated Secondary-Side Direct Lithium Ion Charger.  Battery management  Sample & Buy Not Available
CSD85301Q2  CSD85301Q2 Dual N-Channel NexFET™ Power MOSFET   MOSFETs  Sample & Buy Not Available
TPS61252  3.5MHz, 1.5A, 92% Efficient Boost Converter with Adjustable Input Current Limit  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
BQ27421-G1 Download -
BQ2970 Download Download
BQ51050B Download Download
Download -
CSD85301Q2 WSON (DQK)| 6 Download Download
TPS61252 Download Download

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 2386 18 Nov 2015 101
Design files (4)
Title Abstract Type Size (KB) Date Views
ZIP 645 10 Dec 2015 14
ZIP 2496 10 Dec 2015 29
PDF 53 10 Dec 2015 74
PDF 94 10 Dec 2015 97

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