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DC-DC

Basics of board-mounted dc/dc converter reliability

January 15, 2021 By Jeff Shepard Leave a Comment

The reliability of board-mounted dc/dc converters is important to understand and quantify. It’s a measure of the frequency of system or device failures as a function of time. Reliability is the observed failure rate and is defined as either the time between two failures (in hours), called the Mean Time Between Failures (MTBF), or the […]

Filed Under: Converters, DC-DC, FAQ, Featured Tagged With: FAQ

Low-cost non-isolated POL regulator modules provide up to 2 A

January 14, 2021 By Redding Traiger Leave a Comment

Introducing the SVR surface mount and VR through-hole, non-isolated DC-DC switching regulators. With efficiencies of up to 96% and operating temperatures of -40°C to +85°C, the Point of Load (PoL) devices are ideal as replacements for low-efficiency linear regulators. They operate from a wide input range of up to 36V and feature a low quiescent […]

Filed Under: DC-DC, Medical, Regulators, Robotics, surge protection, Telecommunications Tagged With: xppower

EMC/EMI design and the use of board-mount dc/dc converters

January 14, 2021 By Jeff Shepard Leave a Comment

EMC/EMI

Electromagnetic compatibility (EMC) and electromagnetic interference (EMI) are system-level considerations that have implications for power system design, especially when multiple board-mounted dc/dc converters are used in a distributed power architecture (DPA). EMC/EMI is a multidimensional consideration and includes differential- and common-mode noise on both the input and output of the converter radiated and conducted noise […]

Filed Under: Converters, DC-DC, FAQ, Featured, Power Management Tagged With: FAQ

Half-bridge PCBs help evaluate GaN drivers, transistors

January 13, 2021 By Redding Traiger Leave a Comment

GaN Systems announced the release of two 650V half-bridge daughter cards (30A and 60A), which provide an ultra-versatile platform to evaluate GaN drivers and transistors. The evaluation cards are available in two power levels, up to 3kW (GS-EVB-HB-66508B-RN) and up to 6kW (GS-EVB-HB-66516T-RN), and include the Renesas RAA226110 low-side GaN FET driver. These cards are the industry’s […]

Filed Under: Automotive, Converters, DC-DC, Development Tools, drivers, Power Management, Transistors Tagged With: gansystems

Thermal management considerations for board-mounted dc/dc converters

January 13, 2021 By Jeff Shepard Leave a Comment

thermal management

System-level thermal design is equally important to the electrical specifications of board-mounted dc/dc converters. And the growing use of variations on a distributed power architecture (DPA) increases the complexity of thermal design. A single multiple-output ac/dc power supply is used to power the various loads in a conventional power architecture. The use of a centralized […]

Filed Under: Converters, DC-DC, FAQ, Featured Tagged With: FAQ

Specifying board-mounted dc/dc converters

January 12, 2021 By Jeff Shepard Leave a Comment

The specification of board-mounted dc-dc converters is an important and detailed process. Correctly implemented, it results in a cost-effective solution that meets all the needs of the application. Incorrectly specified dc/dc converters can result in a more costly device than necessary and/or a device that is not suited for the application. This FAQ will review […]

Filed Under: Converters, DC-DC, FAQ, Featured Tagged With: FAQ

Reference design lets secondary MCU control primary power

January 6, 2021 By Redding Traiger Leave a Comment

In modern offline AC-DC power solutions, programmability and adaptive control offer the flexibility and intelligence needed by smart home devices to better interface with their power systems. In these systems, a secondary side microcontroller (MCU) is typically not capable of starting a system without the use of a separate bias power supply. A new reference […]

Filed Under: AC-DC, Controllers, Development Tools, Power Components, Power Management, Reference design Tagged With: microchiptechnologyinc

Power system design considerations for wireless IoT nodes and wearables – Virtual Roundtable (part 2)

December 30, 2020 By Jeff Shepard Leave a Comment

The second part of EEWorld’s two-part “virtual roundtable” discussion on power system design considerations for wireless IoT nodes and wearables focuses on the use of switching regulators and the associated technical challenges. Our panelists are: Florian Feckl (FF), Systems Engineer and Product Definer for Low Power Buck Converter, Texas Instruments, and Kyle Van Renterghem, (KVR) […]

Filed Under: DC-DC, FAQ, Featured, Regulators Tagged With: FAQ

Power system design considerations for wireless IoT nodes and wearables – Virtual Roundtable (part 1)

December 30, 2020 By Jeff Shepard Leave a Comment

The first part of EEWorld’s two-part “virtual roundtable” discussion on power system design considerations for wireless IoT nodes and wearables focuses on the use of low dropout regulators (LDOs). Our panelists are Kyle Van Renterghem, (KVR) Marketing & Applications Manager, Low Input Voltage LDOs, Texas Instruments, and Julian Hagedorn (JH), Systems Engineer, Texas Instruments. JS: […]

Filed Under: DC-DC, FAQ, Featured, Power Management, Regulators Tagged With: FAQ

High-temp, high-ripple current capacitor yields long life

December 24, 2020 By Redding Traiger Leave a Comment

New Yorker Electronics has announced the release of the new Vishay BC Components 190 RTL Aluminum Capacitors for increased design flexibility and board space in high-temperature applications. The new Automotive Grade miniature aluminum electrolytic capacitors offer high ripple currents up to 3.36A, operating temperatures to +125°C, and up to 6,000 hours of usable life.   […]

Filed Under: Automotive, Capacitors, Converters, DC-DC, Development Tools, Industrial, Medical, Telecommunications Tagged With: newyorkerelectronics

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