Power trends

Low EMI

Lower system costs and quickly meet EMI standards by reducing emissions

What features reduce EMI across high and low frequencies?

Electromagnetic interference (EMI) is a key requirement of increasing importance in electronic systems, especially in new automotive and industrial applications. Designing for low EMI can save you significant development cycle times while also reducing board area and solution cost. TI offers multiple features and technologies to mitigate EMI in all of the frequency bands of interest.

Benefits of TI technologies for low EMI

Address EMI at the source
System efficiency
Improved filter size & cost

Find resources to get started

Video series

Designing a low-EMI power supply

EMI design can be challenging, but we’re here to help. This comprehensive training
series shows you an easier path to designing an efficient power supply that
meets conducted and radiated EMI requirements.

White paper

Time-Saving and Cost-Effective Innovations for EMI Reduction (Rev. A)

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E-book

An Engineer’s Guide to Low EMI in DC/DC Regulators

PDF
Design tool

Power Stage Designer™ software tool of most commonly used switchmode power supplies

Power Stage Designer is a JAVA-based tool that helps speed up power-supply designs as it calculates voltages and currents of 21 topologies based on user inputs. Additionally, Power Stage Designer contains a Bode plotting tool and a helpful toolbox with various functions to make power supply design (...)

Simulation tool

PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)

WEBENCH® Power Designer

WEBENCH® Power Designer creates customized power-supply circuits based on your requirements. The environment gives you end-to-end power supply-design capabilities that save you time during all phases of the design process.
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Reference design

Isolated 5-V bias supply for automotive CISPR 25, class 5 emissions, reference design

This reference design demonstrates EMI mitigation techniques required for a high frequency, reinforced 5-kVRMS isolated, 5-V bias DC/DC converter module to pass the automotive, CIPSR 25, class 5, EMC test standard. The design features a 500-mW, high efficiency bias supply with integrated (...)
Reference design

CISPR 25 Class-5 2.2-MHz rated 30-W automotive dual USB Type-C® charger reference design

This reference design is an EMI-optimized design for automotive USB Type-C®  charger with dual 15-W output. The TPS25850-Q1 is used as DC/DC regulator and port controller. The switching frequency is 2.2 MHz. The front-end filter is designed and PCB layout is optimized to pass stringent CISPR (...)
Reference design

3.3V 1A, Low EMI, 92% Efficiency DC/DC Module in Single Layer TO-247 Form Factor Reference Design

This reference design demonstrates a 15 mm x 20 mm, 92% efficiency, low electromagnetic interference (EMI) DC/DC module with TPS54202, replacing low dropout regulator (LDO) in major home appliance applications. The high efficiency eliminates the need of heat sink for a smaller and cheaper (...)

Explore other power trends

Low noise & precision

Enhance power and signal integrity to improve system-level protection and accuracy.

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Low quiescent current (Iq)

Extend battery and shelf life without compromizing system performance. 

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Isolation

Increase safety with the highest working voltage and reliability.

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Power density

Achieve more power in small spaces, enhancing system functionality at reduced system costs.

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