Isolation from the AC line is essential for user safety in many situations and can be implemented using a special isolation transformer as well as other means. Part 1 of this FAQ looked at the multiple-fault and failure scenario that can put users at risk from AC-line connected products, including appliances, instruments, or medical devices. […]
Power Management
Power system design considerations for wireless IoT nodes and wearables – Virtual Roundtable (part 1)
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: […]
Power chokes sport low loss, high withstand voltage
With ever-tightening environmental regulations around the world, emission regulations for cars with internal combustion engines are becoming more stringent. In order to improve emissions performance, it is necessary for such cars to efficiently burn fuel to achieve complete combustion as much as possible. Accordingly, the direct fuel injection method that directly injects fuel at high […]
GaN E-HEMT half-bridge designs boost power by 30%
GaN Systems announced the launch of its next-generation Insulated Metal Substrate (IMS3) platform for use with its GaN E-HEMTs in high power, high efficiency automotive, data center, and industrial applications. The IMS3 platform features significantly improved heat transfer, which results in lower thermal temperatures and higher power density, making it an ideal reference for implementing […]
Bi-directional 22/25-kW liquid-cooled inverter battery charger targets EV, HEV apps
Bel Power Solutions announces the BCL25-700-8, a 22/25 kW bi-directional liquid-cooled on-board inverter battery charger with export functionalities for hybrid (HEV) or fully electric (EV) vehicles, as well as medium and heavy-duty on- and off-highway vehicles. The BCL25-700-8 is parallelable up to 4 units in charge mode, with typical efficiency up to 94%. With the […]
Isolated gate drivers provide 5, 10, 14-A current outputs for SiC MOSFETs, IGBTs
Infineon Technologies AG adds a new generation to its most versatile and simple to use EiceDRIVER 1ED Compact isolated gate driver family: the X3 Compact (1ED31xx) family. This gate driver provides separate output options together with the active shutdown and short circuit clamping in DSO-8 300 mil package. The active Miller clamp option is best […]
eGaN FETs target USB-C chargers, PoL conveters
Efficient Power Conversion Corporation advances the performance capability of low voltage, off-the-shelf gallium nitride transistors with the introduction of the EPC2055 (3 mΩ, 40 V) eGaN FET. This device is ideal for applications with demanding requirements for performance in space-constrained form factors including USB-C battery chargers and ultra-thin point-of-load (POL) converters. Other low-voltage applications benefiting from […]
GaN power switch features 650-V, 200-A handling for inverter apps
VisIC Technologies Ltd. is proud to announce its new low resistance product for EV Inverter application that will improve efficiency and manufacturing cost of electric cars. The new 8mOhm product is another step in the ongoing effort to support our customers and improve the power conversion systems. The new product is rated at 8mΩ, 650V, […]
Power-management ICs optimized for use in laptops
MagnaChip Semiconductor Corporation announced a new line of power management integrated circuits (PMIC) by introducing its first UHD display panel PMIC for laptops. PMICs are integrated circuits that include multiple power management functions within a single chip, and they are frequently used to power space-constrained devices where high-efficient and compact form factors are required. They […]
DIP-24-sized 12-W power converters boast high power density
The TEL 12 & TEL 12WI are isolated 12 Watt converters which come in the ultra-compact DIP-16 metal package measuring only 0.94 x 0.54 x 0.40”, effectively doubling the power density compared to most 12 Watt converters in DIP-24 package. These converters are an economical solution for space-critical and cost-sensitive applications in instrumentation, IT, and […]