Highly Integrated 4 1/2 Digit Low Power Handheld Digital Multimeter (DMM) Platform Reference Design

(ACTIVE) TIDA-00879

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Key Document

Description

The TIDA-00879 TI-Design leverages the features, functions, performance, and state-of-the-art low power and power management capabilities of the MSP430F6736 MCU to demonstrate a highly integrated, low cost, and low power Digital Multimeter platform.  The solution delivers 4.5 digits or 60K display count resolution, firmware-based True RMS and Real Power measurements, integrated LCD controller/driver subsystem, and over 600 hours of battery life with 3xAAA alkaline batteries, at extremely competitive system level costs.

Features
  • Highly integrated system design solution
  • 4 1/2 digit, 60K count resolution
  • Low power design and power management systems
  • Firmware-based true RMS and real power measurements

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430F6736  MSP430F6736 Mixed Signal Microcontroller  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
OPA333  1.8V, 17µA, microPower, Precision, Zero-Drift CMOS Op Amp   Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPS62740  Ultra-low-power 300mA Step-Down Buck DCDC Converter with 360nA Iq  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TS3A24159  0.3-Ohm 2-Channel SPDT Bidirection Switch  Switches & multiplexers  Sample & Buy View Design Kits & Evaluation Modules
TS5A3359  1-Ohm SP3T Analog Switch 5-V/3.3-V Single-Channel 3:1 Multiplexer/Demultiplexer  Switches & multiplexers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430F6736 Download Download
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OPA333 Download Download
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TPS62740 Download Download
TS3A24159 Download Download
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TS5A3359 Download -
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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1133 10 Jan 2017 0
Design files (6)
Title Abstract Type Size (KB) Date Views TI Recommends
ZIP 1568 24 Jun 2016 0
ZIP 1535 24 Jun 2016 0
PDF 2817 24 Jun 2016 0
PDF 284 24 Jun 2016 0
PDF 69 24 Jun 2016 0
PDF 731 24 Jun 2016 0
Related Tools & Software

Reference Designs  ( 2 )

Software (1)



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