Technical Features
April 2018
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Figure 1: Gate driver circuit diagram with a Bourns transformer
While gate driver-based converters deliver improved efficiency, speed and signal integrity, their high frequency switching features can produce elevated levels of conducted electromagnetic interference (EMI), posing challenges to electromagnetic compatibility (EMC) and overall system reliability. To solve this
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Date:
03/29/2026
The pursuit of higher efficiency has been a driving factor in industry progress since electricity was first harnessed. The introduction of solid state transistors in switching applications enabled the switching power converter and created a step function improvement in power conversion efficiency. Advances in
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Date:
04/25/2018
Figure 1. SiC cascode configuration
SiC MOSFETs can deliver impressive performance and efficiency gains in power-conversion circuits, but a clean-sheet design is needed for best results. SiC cascodes offer a drop-in replacement bringing instant access to many of the advantages of wide-bandgap devices.
Drop In, Turn On
Silicon carbide diodes, and MOSFETs in 60
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Date:
04/24/2018
The introduction of improved semiconductor devices, namely wide bandgap types such as Silicon Carbide(SiC) and Gallium Nitride (GaN) will enable significantly higher performance power switching applications, especially in applications such as automotive traction inverters.
SiC power semiconductor technolog
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Date:
04/24/2018
Figure 1: A load current of 40A creates approximately 20W of power losses - a heavy thermally induced stress for power electronics
N+1 redundant power module connection guarantees reliable system availability even if a power supply fails. However, the common use of decoupling diodes in such modules causes a large voltage drop leading to high power losses generating heat.
After a complete design review, PULS is now replacing these diodes wi
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Date:
04/23/2018
Figure 1: Linear regulator
Electronic equipment uses ICs in order to function, requiring a DC voltage as the supply input at various voltage levels. The AC power line (utility supply wall outlet) or DC power (batteries, solar panels, etc.), are the main power inputs. DC-DC power conversion technology enables these energy sources to be th
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Date:
04/23/2018
Figure 1: Comparison of the normalized area of a chip versus the voltage rating of the best MOSFETs, in blue, with the latest generation of GaN FET (Source Efficient Power Conversion (EPC))
In March 2018, the Applied Power Electronics Conference (APEC) took place in San Antonio (Texas). APEC is the world’s largest convention dedicated to applied power electronics, and the place where research laboratories, universities, market analysts and companies showcase the latest and often ‘industry first’ te
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Date:
04/23/2018
Figure 1: 3D model depicting Dual Cool technology
Power engineers often face seemingly conflicting and almost impossible challenges. As system designers add more features and functionality to newer product generations, so the system requires more power, but has less space available to generate it. While there are many techniques available to manage heat, forced ai
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Date:
04/23/2018
Light Emitting Diodes (LEDs) are semiconductor devices which provide an efficient and reliable source of light and contain no moving parts, making them very reliable in environments with elevated vibration and shock, such as automobiles. Other desirable properties include high efficiency, long life and brightness. LE
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Date:
04/16/2018
Figure 1. Structure of the TDMA function
Extensions to the IEEE 802.1Q standard for Ethernet switching, listed under the generic term "Time Sensitive Networking" (TSN), allow automation solutions with homogeneous network architecture from sensors to the cloud. In contrast to this, traditional solutions using proprietary network standards at
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Date:
04/10/2018
Figure 1. LTC3130 Typical Application Schematic and Features
A buck-boost DC/DC converter is one of the most valuable tools in a power supply designer’s toolbox for dealing with a variety of power conversion scenarios. In these situations, input voltages can vary widely due to non-ideal or multi-input power sources, transient disturbances or charging and discharging sto
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Date:
04/10/2018
Figure 1. Advantages of solid-state switching technology
What do large industrial/commercial HVAC and refrigeration systems, heavy duty transportation, conveyor belts, assembly lines, medical, energy and other complex manufacturing systems all have in common? Electrical motors. Big and expensive electrical motors that, if their power supply system overheats, can be sev
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Date:
04/10/2018
Figure 1. Gen4-uLCD-43DCT-CLB display module from 4D Systems
Replacing multiple electromechanical and optoelectronic elements with a touch-sensitive LCD can significantly extend a product’s lifetime. It could also reduce the overall size of the product, particularly if the space required for the PCB is much smaller than that used for the electromechanical controls. Gi
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Date:
04/10/2018
Figure 1. Circuit schematic
Some smart meter applications require an external wireless communication module to be attached to them. The power requirements imposed are that the module should limit its supply current to be within a 100 – 150mA range. There is also a requirement for a super capacitor (supercap) backup supply to continue po
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Date:
04/10/2018
Figure 1. Cross section of a sleeve bearing
In the same way that oxygen and water are essential to human life, cooling fans are critical to many of the devices we rely on every day. From home appliances to industrial-grade machinery, and from laptop computers to the large-scale data centers, the need to remove hot air is essential. If the fan fails, the ma
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Date:
04/10/2018
Figure 1. Digital Ceiling Ecosystem
We are in the digital era when enterprises are embracing innovative technologies to create new experiences and business opportunities. This transformation has given rise to some revolutionary applications, including digital ceilings that have gained immense popularity by connecting everything associated with li
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Date:
04/09/2018
Figure 1. The FAN6500XX in a typical application
Integration is fundamental to solid-state electronics — the ability to bring together similar and complementary functions into a single device drives the entire industry. When coupled with developments in packaging, wafer handling and lithography, feature density continues to rise, delivering more efficient so
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Date:
04/09/2018
In recent years, significance of semiconductor module for photovoltaic power conversion systems is increasing. Especially higher output power with existing housing size of power module is important to realize further downsizing or rating upgrade for its systems. For realizing higher output, advanced technologies
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Date:
04/03/2018
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