TIDA-00668

50mA Wireless Charger Booster Pack Reference Design

TIDA-00668

Design files

Overview

The TIDA-00668 is a booster pack that provides a wireless charger and an entire battery managment solution to power any low power TI Launchpad. This design is a highly integrated power management solution that is well-suited for ultra-low power applications.

The primary method of storage is an LIR2032 Lithium-Ion rechargable coin cell. There is a connector for an external battery if desired.

Features
  • Low cost PCB coil with on board wireless receiver
  • Coin cell storage to 50mA
  • 31uA quiescent current
  • 3.3Vdc buck from the TPS62736 to power the Launchpad
  • 5V boost to power support circuitry
  • Stackable design allows for creating a complete solution
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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.

TIDUAN3.PDF (1744 K)

Reference design overview and verified performance test data

TIDRHI8.PDF (142 K)

Detailed schematic diagram for design layout and components

TIDRHI9.PDF (53 K)

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

TIDRHJ0.ZIP (2463 K)

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

TIDCB18.ZIP (421 K)

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

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

TPS612200.7-VIN, adjustable output voltage boost converter with 5.5-μA quiescent current

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS62736High Efficiency Nanopower Buck Converter with 50mA Load Capability | Step-Down

Data sheet: PDF | HTML
Battery charger ICs

BQ25100Standalone 1-cell, 250-mA linear battery charger with 4.2-V charge voltage and prog. pre-charge

Data sheet: PDF | HTML
Battery charger ICs

BQ51003BQ51003 Wireless power Receiver

Data sheet: PDF | HTML
Battery protectors

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

Data sheet: PDF | HTML
MOSFETs

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

Data sheet: PDF | HTML

Technical documentation

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* Design guide 50-mA Wireless Charger Booster Pack Design Guide Sep. 18, 2015

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