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50mA Wireless Charger Booster Pack Reference Design
TIDA-00668
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Key Document

Description

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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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
BQ25100  Standalone 1-cell, 250-mA linear battery charger with 4.2-V charge voltage and prog. pre-charge  Battery management ICs  Sample & Buy View Design Kits & Evaluation Modules
BQ2970  Li-Ion/Li Polymer Advanced Single-Cell Battery Protector IC Family  Battery management ICs  Sample & Buy View Design Kits & Evaluation Modules
BQ51003  BQ51003 Wireless power Receiver  Battery management ICs  Sample & Buy Not Available
CSD85301Q2  20-V, N channel NexFET™ power MOSFET, dual SON 2 mm x 2 mm, 27 mOhm, gate ESD protection  MOSFETs  Sample & Buy Not Available
TPS61220  0.7-VIN, adjustable output voltage boost converter with 5.5-μA quiescent current  Step-up (boost) regulators  Sample & Buy View Design Kits & Evaluation Modules
TPS62736  High Efficiency Nanopower Buck Converter with 50mA Load Capability | Step-Down  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
BQ25100 Download -
BQ2970 Download Download
BQ51003 Download -
CSD85301Q2 WSON (DQK)| 6 Download Download
TPS61220 Download Download
TPS62736 Download Download

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


Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1744 18 Sep 2015
Design files (4)
Title Type Size (KB) Date
ZIP 421 28 Sep 2015
ZIP 2463 28 Sep 2015
PDF 53 28 Sep 2015
PDF 142 28 Sep 2015

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