Smart Meter Power Management Solution with Energy Buffering Reference Design PMP9763 (ACTIVE)

Description & Features

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Description

Smart Wireless Sensors are typically powered by Long-Life Batteries Like LiSoCl2 chemistry which are limited in current. However, these sensors require high current pulses for transmitting the gathered data wirelessly. This Reference Design provides a solution for powering the MCU with reduced current and high current pulses to the radio. These pulses are decoupled from the battery by Energy Buffering.

Features
  • Buck (MCU) and Boost (RF-PA) Rail
  • Load Decoupling with Energy Buffering
  • Ultra Low Iq
  • Longer Battery Runtime by VDD Down Conversion

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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 (3)

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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
TPS61291  Low Iq Boost Converter with 15nA Bypass Operation  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
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)
TPS61291 Download Download
TPS62740 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 474 29 Jul 2015
Design files (3)
Title Type Size (KB) Date
ZIP 402 29 Jul 2015
PDF 17 29 Jul 2015
PDF 101 29 Jul 2015

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