TIDA-01636

Power Rail Noise Analyzer Reference Design

Design files

TIDA-01636

Design files

Overview

This reference design is an active pass-band filter connected to the analog-to-digital converter (ADC) in a C2000™ microcontroller (MCU). The system senses ripple and noise on the power rail in the band of interest. The Fast-Fourier Transformation (FFT) algorithm analyzes harmonic content of the signal and allows for switching frequency detection. The analysis enables for adaptive real-time switching frequency dithering in high-power applications and better electromagnetic compatibility interference (EMI) control. Alternatively, ripple counters in feedback-less positioners can benefit the design.

Digital Signal Processing (DSP) features of C2000™ microcontrollers play an important role in the system and enable digital-power (on-board chargers, DC-DC converters) and motor control (traction inverters) applications to become smarter and more efficient.

Features

Multiple Feedback Filter (MFB) topology
Single-supply power
Example Firmware for TMS320F28069M C2000

Automotive

Traction inverter

Industrial

Railway auxiliary power systems

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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

Design guide — TIDA-01636

TIDUE67.PDF (1000 K)

Reference design overview and verified performance test data

Schematic — TIDA-01636

TIDRWK4.PDF (125 K)

Detailed schematic diagram for design layout and components

Bill of materials (BOM) — TIDA-01636

TIDRWK5.PDF (55 K)

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

Assembly drawing — TIDA-01636

TIDRWK6.PDF (87 K)

Detailed overview of design layout for component placement

CAD/CAE symbol — TIDA-01636

TIDRWK8.ZIP (436 K)

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

Gerber file — TIDA-01636

TIDCER1.ZIP (439 K)

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

PCB layout — TIDA-01636

TIDRWK7.PDF (379 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

C2000 real-time microcontrollers

TMS320F28069M — C2000™ 32-bit MCU with 90 MHz, FPU, VCU, CLA, 256 KB flash, InstaSPIN-MOTION

Data sheet: PDF | HTML

C2000 real-time microcontrollers

TMS320F28069M-Q1 — Automotive C2000™ 32-bit MCU with 90 MHz, FPU, VCU, CLA, 256 KB flash, InstaSPIN-MOTION

Data sheet: PDF | HTML

High-speed op amps (GBW ≥ 50 MHz)

OPA365-Q1 — Automotive 2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier

Data sheet: PDF | HTML

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Software

Code example or demo

TIDCER2 — TIDA-01636_Example_Firmware

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TIDCER2 — TIDA-01636_Example_Firmware

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Latest version

Version: 01.00.00.00

Release date: 18 Jun 2018

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TIDA-01636_Example_Firmware (zip) — 1433 K

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Technical documentation

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	Type	Title		Date
*	Design guide	Power Rail Noise Analyzer Reference Design		Jun. 19, 2018

Related design resources

Hardware development

EVALUATION BOARD

LAUNCHXL-F28069M — F28069M LaunchPad™ development kit for C2000™ Piccolo™ MCU

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