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How Do You Design an LC Low-Pass Filter for a Class D Amp?

How Do You Design an LC Low-Pass Filter for a Class D Amp?

What's the role of low-pass filters in class D amplification? We'll use ST's new class D amp to discuss this question.


News Mar 09, 2020 by Robert Keim
TI’s New Buck Converter and the Issue of Switching Regulator Conduction Modes

TI’s New Buck Converter and the Issue of Switching Regulator Conduction Modes

The buck converter operates in "forced continuous conduction mode (FCCM)." Let's break that term down.


News Mar 06, 2020 by Robert Keim
Tesla’s Expansion of the Hornsdale Power Reserve Comes with a Price

Tesla’s Expansion of the Hornsdale Power Reserve Comes with a Price

The world’s biggest lithium-ion battery, built by Tesla and housed in Southern Australia, is scheduled for a 50 percent increase in capacity later this year.


News Mar 05, 2020 by Luke James
Data Centers Are Overloaded. The Inventor of FPGAs Is Swooping In With a “Comprehensive” SmartNIC

Data Centers Are Overloaded. The Inventor of FPGAs Is Swooping In With a “Comprehensive” SmartNIC

The FPGA-based SmartNIC arena—including giants like Microsoft and Intel—just got more interesting. Enter the inventor of FPGAs.


News Mar 04, 2020 by Gary Elinoff
The Industry’s First Grade 0 Digital Isolator Is Here—And It’s Tailored to Automotive Designs

The Industry’s First Grade 0 Digital Isolator Is Here—And It’s Tailored to Automotive Designs

Texas Instruments has designed an automotive quad isolator providing 5,000 VRMS isolation—even up to 150°C.


News Mar 03, 2020 by Gary Elinoff
New Wireless Charging Platforms Bypass the Conundrum of Perfectly-Aligned Coils

New Wireless Charging Platforms Bypass the Conundrum of Perfectly-Aligned Coils

Apple ultimately canceled its wireless power program because of coil alignment. Three new platforms aim to work around the problem that slowed the tech giant down.


News Mar 02, 2020 by Kayla Matthews
ON Semiconductor Introduces Adaptive Charging Controller for USB PD 3.0

ON Semiconductor Introduces Adaptive Charging Controller for USB PD 3.0

The FAN6390MPX incorporates an autonomous USB PD state machine to comply with the USB PD 3.0 specification.


News Mar 02, 2020 by Gary Elinoff
Researchers Double the Driving Range of EVs Using Everyday Household Materials

Researchers Double the Driving Range of EVs Using Everyday Household Materials

Researchers at the Korea Institute of Science and Technology have used a simple and cost-effective process to develop new battery anode materials.


News Feb 28, 2020 by Luke James
TDK Reports Their New AC-DC Power Supplies Peaking at 600 Watts

TDK Reports Their New AC-DC Power Supplies Peaking at 600 Watts

TDK-Lambda claims their new AC-DC power supplies feature efficiencies up to 96% within an industry-standard 3 x 5-inch footprint.


News Feb 27, 2020 by Gary Elinoff
New Wireless Charging IC from ST Designed to Amp Up Power Transfer

New Wireless Charging IC from ST Designed to Amp Up Power Transfer

The STWLC68 integrates a high-power receiver and transmitter with a 32-bit Arm Cortex microcontroller core.


News Feb 26, 2020 by Cabe Atwell
A  New Method to Harvest and Generate Electricity by Manipulating Liquid

A New Method to Harvest and Generate Electricity by Manipulating Liquid

Researchers from Nagoya University and Kyushu University have used the energy harvested from the movement of liquid and developed a device that generates electricity.


News Feb 24, 2020 by Luke James
A New Device Out of UMass Amherst Powers Small Electronics from Moisture in the Air

A New Device Out of UMass Amherst Powers Small Electronics from Moisture in the Air

Researchers have developed a device that creates energy from moisture in the air. Using a natural protein, Air-gen connects electrodes with nanowires, forming a transfer pathway for electricity.


News Feb 24, 2020 by Tyler Charboneau
Nordic Semiconductor’s RF System-on-Chip Supports Standard and Proprietary Protocols

Nordic Semiconductor’s RF System-on-Chip Supports Standard and Proprietary Protocols

This article briefly reviews some important principles of power-supply design before discussing the features of the nRF5340.


News Feb 22, 2020 by Robert Keim
Eta Compute Start-Up Goes Commercial With SNNs Developed AI Chips

Eta Compute Start-Up Goes Commercial With SNNs Developed AI Chips

Eta Compute made headlines in 2018 with its neural networks that train themselves, and now the company has come to market with its AI chips that aim to provide AI to “edge” devices such as IoT sensors, battery-powered cameras, and more.


News Feb 21, 2020 by Luke James
TI Shrinks 36 V, 4 A Power Module for Rugged Industrial Applications

TI Shrinks 36 V, 4 A Power Module for Rugged Industrial Applications

TI claims that its TPSM53604 buck module consumes 50% less power and takes up 30% less space than competing devices.


News Feb 20, 2020 by Gary Elinoff
Nexperia’s Latest MOSFET Targets Load-switch and Hot-swap Applications

Nexperia’s Latest MOSFET Targets Load-switch and Hot-swap Applications

This article examines the PSMNR51-25YLH and discusses MOSFET drain-source leakage current.


News Feb 18, 2020 by Robert Keim
XP Power Focuses on Affordability With New PCB-mounted AC-DC Power Supplies

XP Power Focuses on Affordability With New PCB-mounted AC-DC Power Supplies

The VCE20 and VCE40 series provide 20 W or 40 W outputs at voltages ranging from 3.3 VDC to 48 VDC.


News Feb 18, 2020 by Gary Elinoff
The Main Factors Affecting Power Supply Quality

The Main Factors Affecting Power Supply Quality

What is power quality, and why is it essential? This article will provide a basic understanding of power quality, how poor power quality can impact electrical loads and some ways it can be improved.


News Feb 17, 2020 by Ikimi .O
Nexperia Says Its Silicon-based ESD Protection Bests Varistors for Automotive Ethernet

Nexperia Says Its Silicon-based ESD Protection Bests Varistors for Automotive Ethernet

Nexperia’s PESD2ETH100-T and PESD2ETH1G-T comply with the Open Alliance SIG’s 100BASE-T1 and 1000BASE-T1 standards.


News Feb 13, 2020 by Gary Elinoff
TI Introduces First 500 mW Isolated DC-DC Converter IC with Integrated Transformer

TI Introduces First 500 mW Isolated DC-DC Converter IC with Integrated Transformer

The UCC12050 accepts input voltages ranging from 4.5 V to 5.5 V and features 5.0 V or 3.3 V outputs.


News Feb 12, 2020 by Gary Elinoff