Measurement Module for Branch Current Monitor
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Key Document


This reference design is designed to measure only branch current and is created for accuracy across the  majority of the rated current range while at the same time being cost efficient. This is achieved by using a highly integrated SoC device which has up to 7 channels of the 24bit Delta-Sigma ADCs available for current measurement. This solution also has several options for communication supported. such as UART, JTAG, etc. Applications include load management, sub-panels, etc.

  • Precise current measurement through 7 channels of Delta-Sigma ADCs (< 2% from 10% to 100% of rated current, controlled by CT & burden resistor)
  • Voltage measurement enabled with integrated SAR ADC
  • Extended temperature range operability of -40C to +125C
  • Integrated single chip solution results in a cost and area efficient solution
  • Large MSP Family & Roadmap / Scale performance, features, price
  • Metering library available in source for use on MSPs

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Schematic/Block Diagram

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17571Q2  30-V, N channel NexFET™ power MOSFET, single SON 2 mm x 2 mm, 29 mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
MSP430F6779  Polyphase metering SoC with 7 Sigma-Delta ADCs, LCD, real-time clock, AES, 512KB Flash, 32KB RAM  Microcontrollers (MCUs)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17571Q2 WSON (DQK)| 6 Download Download
MSP430F6779 Download -
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1964 14 Oct 2014
Design files (6)
Title Type Size (KB) Date
ZIP 475 09 Oct 2014
ZIP 2103 09 Oct 2014
PDF 2022 09 Oct 2014
PDF 560 09 Oct 2014
PDF 235 09 Oct 2014
PDF 984 09 Oct 2014
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