Energy Buffering for Long-Life Battery Applications Reference Design PMP9753 (ACTIVE)

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Description

Long-Life Batteries like LiSOCl2 chemistry are unable to provide currents higher than e.g. 20mA. They furthermore suffer with reduced operation runtimes when higher currents are drawn. This application concept shows a proven reference design for a combination of TPS62740 and a Super-Capacitor powered by a long life primary cell. In this Reference Design, the Ultra-Low Quiescent Current Buck Converter TPS62740 charges a Supercapacitor to buffer energy for load peaks.

As seen at APEC

Features
  • Peak Power Assistance
  • Energy Buffering
  • Longer Battery Runtime
  • >15 years Operating Runtime
  • Efficient Super Capacitor Charging

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Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD23381F4  12V , P-Channel FemtoFET™MOSFET  MOSFETs  Sample & Buy Not Available
TPS62740  2.2V-5.5V input, ultra-low-power 300mA step-down buck DCDC converter with 360nA Iq  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS62740 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1195 27 Oct 2014
Design files (3)
Title Type Size (KB) Date
ZIP 195 03 Nov 2014
PDF 97 03 Nov 2014
PDF 190 03 Nov 2014

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