TIDA-00171

Isolated Current Shunt and Voltage Measurement Reference Design for Motor Drives

TIDA-00171

Design files

Overview

This evaluation kit and reference design implements the AMC130x reinforced isolated delta-sigma modulators along with integrated Sinc filters in the C2000™ TMS320F28377D Delfino™ microcontroller. The design provides an ability to evaluate the  performance of these measurements: three motor currents, three inverter voltages and the DC Link voltage.  Provided in the kit is firmware to configure the Sinc filters, set the PLL frequency and receive data from Sinc filters. A versatile run-time GUI is also provided to help the user validate the AMC130x performance and supports configuration changes to Sinc filter parameters in the Delfino controller.

Features
  • Isolated shunt feedback measurements of 3-phase motor currents and voltages using the new AMC130x reinforced isolated delta-sigma modulator
  • Integrated Sinc3 digital filters using new C2000™ F2837xD Dual-core Delfino™ microcontroller
  • Calibrated accuracy of ±0.2%, uncalibrated accuracy <2%
  • <4uSec response time for fault protection
  • Run-time GUI for complete performance analysis of modulator clock, sinc filter parameters, and currrent and voltage waveforms
  • Tested for IEC61800 (EMC requirements)

Design files & products

Design files

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

TIDRAU4.ZIP (11927 K)

Detailed schematic diagram for design layout and components

TIDRAU5A.ZIP (314 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRAU6.ZIP (1533 K)

Detailed overview of design layout for component placement

TIDRAU8.ZIP (1007 K)

Files used for 3D models or 2D drawings of IC components

TIDC658.ZIP (10279 K)

Design file that contains information on physical board layer of design PCB

TIDRAU7.ZIP (5217 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Boost converters (integrated switch)

TPS553405-A, 40-V, wide VIN boost, flyback, & SEPIC converter

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

TPS542323.5V to 28V Input, 2A, 1MHz Step-Down Converter with Eco-mode

Data sheet document-pdfAcrobat PDF open-in-new HTML
C2000 real-time microcontrollers

TMS320F28075C2000™ 32-bit MCU with 120 MHz, FPU, TMU, 512 KB flash, CLA, SDFM

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28075-Q1Automotive C2000™ 32-bit MCU with 120 MHz, FPU, TMU, 512 KB flash, CLA, SDFM

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28076C2000™ 32-bit MCU with 120 MHz, FPU, TMU, 512 KB flash, CLA, CLB, SDFM

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28374DC2000™ 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 512 KB flash, EMIF, 12b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28374SC2000™ 32-bit MCU with 400 MIPS, 1xCPU, 1xCLA, FPU, TMU, 512 KB flash, EMIF, 12b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28375DC2000™ 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 1024 KB flash, EMIF, 12b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28375SC2000™ 32-bit MCU with 400 MIPS, 1xCPU, 1xCLA, FPU, TMU, 1024 KB flash, EMIF, 12b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28375S-Q1Automotive C2000™ 32-bit MCU with 400 MIPS, 1xCPU, 1xCLA, FPU, TMU, 1024 KB flash, EMIF, 12b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28376DC2000™ 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 512 KB flash, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28376SC2000™ 32-bit MCU with 400 MIPS, 1xCPU, 1xCLA, FPU, TMU, 512 KB flash, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28377DC2000™ 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 1024 KB flash, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28377D-EPC2000™ Enhanced Product 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 1 MB flash, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF open-in-new HTML
C2000 real-time microcontrollers

TMS320F28377D-Q1Automotive C2000™ 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 1024 KB flash, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28377SC2000™ 32-bit MCU with 400 MIPS, 1xCPU, 1xCLA, FPU, TMU, 1024 KB flash, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28377S-Q1Automotive C2000™ 32-bit MCU with 400 MIPS, 1xCPU, 1xCLA, FPU, TMU, 1024 KB flash, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28378DC2000™ 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 1024 KB flash, CLB, EMIF, 12b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28378SC2000™ 32-bit MCU with 400 MIPS, 1xCPU, 1xCLA, FPU, TMU, 1024 KB flash, CLB, EMIF, 12b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28379DC2000™ 32-bit MCU with 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 1024 KB flash, CLB, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28379D-Q1Automotive C2000™ 32-bit MCU w/ 800 MIPS, 2xCPU, 2xCLA, FPU, TMU, 1024 KB flash, CLB, EMIF, 16b ADC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28379SC2000™ 32-bit MCU with 400-MIPS, 1x CPU, 1x CLA, FPU, TMU, 1024-KB flash, CLB, EMIF and 16-b ADC ;

Data sheet document-pdfAcrobat PDF
Clock generators

CDCE906167-MHz, LVCMOS, programmable 3-PLL clock synthesizer / multiplier / divider

Data sheet document-pdfAcrobat PDF
Instrumentation amplifiers

INA826Precision, 200-μA Supply Current, 36-V Supply Instrumentation Amplifier

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated ADCs

AMC1304M05Reinforced Isolated Modulator With LDO Regulator, ±50mV Input, and CMOS Interface

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated ADCs

AMC1304M25Reinforced Isolated Modulator With LDO Regulator, ±250mV Input, and CMOS Interface

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated ADCs

AMC1305M05Reinforced Isolated Modulator With ±50mV Input and CMOS Interface

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated ADCs

AMC1305M25Reinforced Isolated Modulator With ±250mV Input and CMOS Interface

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

LP38798800-mA, 20-V, low-noise, high-PSRR, adjustable low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TLV704150-mA, 24-V, ultra-low-IQ, low-dropout voltage regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7A30200-mA, low-noise, high-PSRR, negative, adjustable low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Precision DACs (<=10MSPS)

DAC856416-bit, quad channel, ultra-low glitch, vout DAC with 2.5V, 2ppm/C int. ref. with reset to midsca

Data sheet document-pdfAcrobat PDF
Precision op amps (Vos<1mV)

OPA2111.1nV/rtHz Noise, Low-Power, Precision Operational Amplifier

Data sheet document-pdfAcrobat PDF open-in-new HTML
Series voltage references

REF30121.25-V, 50-ppm/°C, 50-µA in 3-pin SOT-23 package series (bandgap) voltage reference

Data sheet document-pdfAcrobat PDF open-in-new HTML
Transformer drivers

SN6501Low-noise, 350-mA, 410-kHz transformer driver for isolated power supplies

Data sheet document-pdfAcrobat PDF open-in-new HTML

Start development

Software

Firmware

TIDA-00171 Delfino Firmware – TIDC659.ZIP (10711 K)

Technical documentation

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Type Title Date
* User guide Isolated Current Shunt and Voltage Measurement Kit (TIDA-00171) (Rev. A) Feb. 20, 2015
White paper Piccolo™ C2000™ MCUs enable the next generation of low-cost, dual-axis servo dri (Rev. A) Jul. 13, 2020
Technical article Using delta-sigma modulators for isolated high-voltage measurements Jan. 09, 2015
More literature TIDA-00171 Delfino Firmware Oct. 02, 2014

Related design resources

Reference designs

REFERENCE DESIGN
TIDA-00080 Isolated delta-sigma modulator based AC/DC voltage and current measurement module reference design TIPD165 Isolated, Shunt-Based Current Sensing Reference Design

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