TIDA-00669

500mA Wireless Charger BoosterPack with Gauge Reference Design

TIDA-00669

Design files

Overview

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

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUB31.PDF (2386 K)

Reference design overview and verified performance test data

TIDRJC9.PDF (94 K)

Detailed schematic diagram for design layout and components

TIDRJD0.PDF (53 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRJD1.ZIP (2496 K)

Files used for 3D models or 2D drawings of IC components

TIDCBK4.ZIP (645 K)

Design file that contains information on physical board layer of design PCB

Products

Includes TI products in the design and potential alternatives.

Battery charger ICs

BQ51050BQi (WPC) Compliant Highly integrated Secondary-Side Direct Lithium Ion charger.

Data sheet document-pdfAcrobat PDF open-in-new HTML
Battery fuel gauges

BQ27421-G1System-side(tm) fuel gauge with integrated Sense Resistor | battery gas gauge

Data sheet document-pdfAcrobat PDF open-in-new HTML
Battery protectors

BQ2970Li-Ion/Li Polymer Advanced Single-Cell Battery Protector IC Family

Data sheet document-pdfAcrobat PDF open-in-new HTML
Boost converters (integrated switch)

TPS612523.5-MHz, 1.5-A, 92% efficient boost converter, adjustable input current Limit, ±20% current accuracy

Data sheet document-pdfAcrobat PDF open-in-new HTML
N-channel MOSFETs

CSD85301Q220-V, N channel NexFET™ power MOSFET, dual SON 2 mm x 2 mm, 27 mOhm, gate ESD protection

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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* Design guide 500mA Wireless Charger Booster Pack With Gauge Design Guide Nov. 18, 2015

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