Powering narrowband wireless modules for IoT-related applications with LiMnO2 cells reference design
TIDA-010053
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

Description & Features

Technical Documents

Support & Training

Order Now


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

Key Document

Description

This reference design showcases three different power architectures for smart flow meters with lithium manganese dioxide (LiMnO2) primary batteries and commercial off-the-shelf narrowband modules for Internet of Things (IoT)-related applications. The three power solutions are combined with the Battery and System Health Monitoring of Battery Powered Smart Flow Meters Reference Design hardware, which provides highly-accurate State-of-Health (SOH) calculation for the battery lifetime. The always-on in-system current monitoring detects the current peak of the RF transmission and the SOH measurement is scheduled afterwards with an adjustable delay.  High-efficiency power architectures for supplying narrowband cellular modules for IoT-related applications with the BQ35100 battery gauge delivers real-time battery life data enabling on-demand battery replacement.

Features
  • Accurate in-system battery gauging by utilizing the BQ35100 device capabilities
  • 1 μA always-on in-system current monitoring with adjustable high and low thresholds for various power profile states with ADS7142 + LPV521
  • Support for a single or two-in-series primary LiMnO2 cells
  • Enables overall efficiency comparison of boost, buck, or buck-boost approach

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


  



Schematic/Block Diagram

Quickly understand overall system functionality.

Download Schematic

Design Guide

Get results faster with test and simulation data that's been verified.

Download Design Guide

Design Files

Download ready-to-use system files to speed your design process. Get Viewer.

Download Design Files


TI Devices (4)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD13385F5  12V, N ch NexFET MOSFET™, single LGA 0.8x1.5, 19mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS61099  0.7Vin Synchronous Boost Converter with 800 nA Ultra-Low Quiescent Current  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
TPS62840  60-nA IQ, 1.8-V to 6.5-VIN, high-efficiency 750-mA step-down converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS63802  2-A, high-efficient, 11-µA quiescent current buck-boost converter in QFN/DFN package  Buck-boost & inverting  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS61099 Download Download
Download -
TPS62840 Download -
Download
TPS63802 Download -

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Step 1: Download and install the free download.

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 1487 02 Jul 2019
Design files (6)
Title Type Size (KB) Date
PDF 563 03 Sep 2019
ZIP 243 03 Sep 2019
ZIP 1768 03 Sep 2019
PDF 58 03 Sep 2019
PDF 154 03 Sep 2019
PDF 376 03 Sep 2019
Related Tools & Software

Reference Designs  ( 1 )

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
bq35100 Lithium Primary Cell Evaluation Module Using End-of-Service Monitor Gas Gauging  BQ35100EVM-795  Evaluation Modules & Boards 

Software (1)

Name Part Number Software Type
Battery Management Studio (bqStudio) Software  BQSTUDIO  Application Software & Frameworks 

Models (1)

Title Category Type Size (KB) Date Views
TIDA-010053 Simulation TINA-TI Reference Design ZIP 12 KB 02 Jul 2019

Support & training

Search our extensive online knowledge base where millions of technical questions and answers are available 24/7.

Search answers from TI experts

Content is provided 'AS IS' by the respective TI and Community contributors and does not constitute TI specifications.
See terms of use.

If you have questions about quality, packaging, or ordering TI products visit our Support page.

Technical articles