Trameto has introduced a proof-of-concept platform for evaluating how to generate a reliable micro-power source from ambient light and heat. Called Severn, the compact platform can be used as a prototype because its size and form factor could be adopted for production. An engineering sample of the TM2040, a four-input, smart EH PMIC is at […]
ac power sources/frequency converters
GaN half-bridge power ICs enable megahertz-range switching frequencies
Navitas Semiconductor announced the industry’s first GaNSense half-bridge power ICs. These half-bridge ICs enable a new level of MHz switching frequencies while dramatically reducing the system cost and complexity compared to existing discrete solutions. GaNSense half-bridge power ICs integrate two GaN FETs with drive, control, sensing, autonomous protection, and level-shift isolation, to create a fundamental […]
Glitch-free power supervisor IC protects low-voltage IoT apps
Designers can now enhance system reliability in low-voltage IoT applications with the Essential Analog MAX16162 nanoPower supervisor with glitch-free power-up from Maxim Integrated Products, Inc. This supervisor IC is the industry’s first to fully assert a system reset through the entire system power supply ramp; thereby eliminating low-voltage glitches during power-up and delivering higher system reliability. […]
Wireless charging scheme delivers 300 W over 40 mm
Eggtronic has announced E2WATT, a new AC power technology that will boost the power, efficiency, charging distance, and data transmission capabilities of wireless charging applications. Offering efficiency comparable with the best conventional wired AC adapters, E2WATT provides the foundation for taking future mobile charging designs into new segments including laptops, AV equipment, and even home […]
Transparent conductive glass panels deliver power to USB sockets
Zytronic introduces an innovative method of delivering power through glass invisibly. Called ElectroglaZ, this patent-pending technology opens up new opportunities for low-power devices and applications without using wires. ElectroglaZ can also deliver low power, (sub 50V / 3A), to USB sockets, induction charging pads, motors, fans, security cameras and sensors, air monitoring units in HVAC […]
Type-C PD source protection switch handles up to 28 V
Alpha and Omega Semiconductor Limited announced a new Type-C Power Delivery (PD) high voltage source protection switch capable of up to 28V absolute maximum voltage. The AOZ1374 is a smart protection switch in a small thermally enhanced 3mm x 3mm DFN package. AOS’s prowess in high-performance ICs combined with AOS’s state of the art high SOA MOSFETs using advanced co-packaging […]
The basics of AC-line isolation for safety, Part 1: The challenge
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. “Isolation” is one of those terms which gets tossed around and is often cited as an almost universal, all-purpose cure for various ongoing or possible circuit and system […]
Low-cost power modules target motor control, ATE, medical, imaging apps
RECOM has partnered with a global OSAT company (Outsourced Semiconductor Assembly and Test) to extend its range of low-cost power modules. The RPX-1.0 and RPX-1.5 buck converters in miniature, thermally-enhanced 3mm x 5mm QFN packages with 1.6mm profile and feature innovative 3D power packaging technology. Construction is over-molded ‘Flip Chip on Leadframe’ (FCoL) with an integrated, […]
Half-bridge power stage delivers Rds(ON) down to 8.05 mΩ
Vishay Intertechnology introduced a new 40 V n-channel MOSFET half-bridge power stage that delivers increased power density and efficiency for white goods and industrial, medical, and telecom applications. Integrating high side and low side MOSFETs in one compact PowerPAIR 3.3 mm by 3.3 mm package, the Vishay Siliconix SiZ240DT provides best in class on-resistance and […]
Isolated gate drivers feature low latency, high switching speeds
Silicon Labs introduces new Si823Hx/825xx isolated gate drivers offering an uncontested combination of faster and safer switching, low latency, and high noise immunity capabilities that enable a compact PCB design for closer placement of the device to power transistors. New advancements in these gate drivers help power converter designers meet or exceed increasing energy efficiency standards […]
