Wireless IoT, Bluetooth® Low Energy, 4½ Digit, 100kHz True RMS Digital Multimeter
TIDA-01012
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Key Document

Description

Many products are now becoming connected through the Internet of Things (IoT), including test equipment such as digital multimeters (DMM).  Enabled by Texas Instruments’ SimpleLink™ ultra-low power wireless microcontroller (MCU) platform, the TIDA-01012 reference design demonstrates a connected, 4½ Digit, 100kHz true RMS, DMM with Bluetooth® low energy connectivity, NFC Bluetooth pairing, and an Automatic Wake-Up feature enabled by TI’s CapTIvate™ technology.

 

Features
  • 4 1/2 digit, 50K count resolution
  • Wireless MCU enabling bluetooth low energy (BLE) for IoT wireless
  • Automatic wake-up enabled by CapTIvate capacitive touch technology
  • Low power design and power management systems
  • BLE mobile app pairing enabled by NFC dynamic interface
  • Firmware-based true RMS measurements


  



Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (21)

Part Number Name Product Family
ADS8885  18-Bit, 400-kSPS, 1-Ch SAR ADC with True-Differential Input, SPI Interface and Daisy-Chain  Analog-to-digital converters (ADCs) 
BQ24232  USB Friendly 0.5A Li-ion charger w/ Dynamic power Management, 10.5V OVP  Battery management ICs 
BQ27426  Single cell System-side battery fuel (gas) gauge w/Pre-programmed chemistry Profile  Battery management ICs 
CC2640  SimpleLink™ 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU with 128kB Flash  Wireless connectivity 
LSF0102  Dual Bidirectional Multi-Voltage Level Translator  Voltage level translators 
LSF0204  4-Bit Bidirectional Multi-Voltage Level Translator for Open-Drain & Push- Pull  Voltage level translators 
MSP430FR2532  Capacitive Touch MCU with 8 touch IO (8 sensors), 8KB FRAM, 1KB SRAM, 15 IO, 10-bit ADC  Microcontrollers (MCUs) 
MSP430FR2533  Capacitive Touch MCU with 16 touch IO (24 sensors), 16KB FRAM, 2KB SRAM, 19 IO, 10-bit ADC  Microcontrollers (MCUs) 
MSP430FR2632  Capacitive touch MCU with 8 touch IO (16 sensors), 8KB FRAM, 2KB SRAM, 15 IO, 10-bit ADC  Microcontrollers (MCUs) 
MSP430FR2633  Capacitive Touch MCU with 16 touch IO (64 sensors), 16KB FRAM, 4KB SRAM, 19 IO, 10-bit ADC  Microcontrollers (MCUs) 
OPA313  1-Channel, 1-MHz, low-noise, low power, RRIO 1.8-V op amp  Operational amplifiers (op amps) 
OPA333  1.8-V, 17-µA, microPower, precision, zero-drift CMOS op amp  Operational amplifiers (op amps) 
REF3325  2.5-V, 30-ppm/°C drift, 3.9-µA, 3-pin SOT-23, 3-pin SC70, 8-pin UQFN voltage reference  Voltage references 
RF430CL330H  Dynamic Dual Interface NFC Transponder  Wireless connectivity 
THS4531  Ultra low power 0.25mA, RRO, fully differential amplifier  Amplifiers 
TPD1E10B06  12-pF, ±5.5V, ±30-kV ESD protection diode with 6-A 8/20-uS surge in 0402 Package  Circuit protection ICs 
TPS3422  Single-channel push-button controller with configurable delay & reset pulse  Power management 
TPS62740  2.2V-5.5V input, ultra-low-power 300mA step-down buck DCDC converter with 360nA Iq  Step-down (buck) regulators 
TPS782  150-mA, nano-IQ, low-dropout voltage regulator with enable from -40°C to +125°C  Power management 
TS3A24159  0.3-Ω on-state resistance, 3.3-V, 2:1 (SPDT), 2-channel analog switch with 1.8-V input logic  Switches & multiplexers 
TS5A3166  0.9-Ω on-state resistance, 5-V, 1:1 (SPST), 1-channel analog switch (active high)  Switches & multiplexers 

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADS8885 Download Download
Download
BQ24232 Download Download
BQ27426 Download -
CC2640 Download Download
Download Download
Download Download
LSF0102 Download Download
Download Download
Download Download
Download -
LSF0204 Download -
Download Download
Download Download
MSP430FR2532 Download Download
MSP430FR2533 Download -
Download Download
MSP430FR2632 Download Download
Download -
MSP430FR2633 Download -
Download -
Download Download
OPA313 Download
Download Download
OPA333 Download Download
Download Download
Download Download
REF3325 Download Download
Download Download
Download Download
RF430CL330H Download Download
Download Download
THS4531 Download
Download Download
Download
TPD1E10B06 Download Download
TPS3422 Download Download
TPS62740 Download Download
TPS782 -
Download
TS3A24159 Download Download
Download Download
Download -
TS5A3166 Download Download
Download Download
Download -

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Technical documentation
User guide (1)
Title Type Size (KB) Date
PDF 3128 20 Jun 2017
Design files (6)
Title Type Size (KB) Date
ZIP 1021 11 Oct 2016
ZIP 1908 11 Oct 2016
PDF 1928 11 Oct 2016
PDF 639 11 Oct 2016
PDF 135 11 Oct 2016
PDF 1290 11 Oct 2016
More literature (1)
Title Type Size (KB) Date
ZIP 87 11 Oct 2016
Related Tools & Software

Reference Designs (3)

Name Part Number Tool Type
Enhanced Accuracy Battery Fuel Gauge Reference Design for Low Power Industrial IoT Field Metering  TIDA-01014  Reference design 
Highly Integrated 4 1/2 Digit Low Power Handheld Digital Multimeter (DMM) Platform Reference Design  TIDA-00879  Reference design 
Industry 4.0 NFC and Bluetooth® Low Energy User Interface Reference Design for IoT Metering  TIDC-01012  Reference design 

Software development (1)



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