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  250-mA Single Cell Li-Ion Battery Charger, 1mA termination, 75nA Battery leakage  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
BQ51003  BQ51003 Wireless Power Receiver  Battery management  Sample & Buy Not Available
CSD85301Q2  20V, N ch NexFET MOSFET™, dual SON2x2, 27mOhm  MOSFETs  Sample & Buy Not Available
TPS61220  Low Input Voltage, 0.7V Boost Converter with 5.5μA Quiescent Current  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
TPS62736  High Efficiency Nanopower Buck Converter with 50mA Load Capability | Step-Down  Step-down (buck)  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 Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (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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