Flex Power Modules introduces two variants of the new BMR491 series. Aimed at deployment in next-generation data centers striving to meet increasingly stringent efficiency benchmarks, these advanced converters include versions that leverage the company’s proprietary hybrid regulated ratio (HRR) technology. Through this, they are able to deliver extended power capabilities together with the efficiency and […]
Power Electronic Tips
TVS diode arrays deliver Vbus, portable battery and button/switch protection
Littelfuse, Inc. announced a new series of 50 A unidirectional TVS Diode Arrays (SPA Diodes). Compared to solutions currently available on the market, the SP1250-01ETG 50 A unidirectional TVS diode arrays provide superior protection via lower clamping voltage and low leakage current, all in a PCB space-saving footprint. Typical markets and applications for the SP1250-01ETG […]
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 […]
SMD resettable fuses handle high temperatures
Bel Fuse announces their 0ZT Series of high-temperature SMD resettable PPTC fuses for automotive, ethernet, and other applications that require a high operating temperature range of -40°C to 125°C. The 0ZT Series include five different chip sizes: 0ZTF (2920), 0ZTG (1812), 0ZTH (1210), 0ZTJ (1206) and 0ZTK (0805). Bel’s 0ZT Series are small surface mountable, […]
USB power delivery buck-boost controller optimized for vehicle apps
Designers of automotive chargers now have the industry’s smallest and lowest-cost solution with the MAX25430 100W USB Power Delivery (PD) buck-boost controller and protector from Maxim Integrated Products, Inc. As the industry’s most integrated solution, the MAX25430 can reduce design size up to 40 percent compared to competitive solutions and offer the industry’s lowest cost for […]
Fuel cells power buses, trucks, trains, planes and ships
Fuel cells have begun to get traction in a wide variety of transportation systems. Recent announcements include Honda’s withdrawal from FIA Formula One racing to focus more resources on the development of battery and fuel cell-powered electric vehicles and ZeroAvia’s announcement of the world’s first flight of a hydrogen-electric fuel cell-powered passenger plane. Fuel cells […]
PoE connector modules handle 60 W over 10GBASE-T lines
Bel Magnetic Solutions introduces 10GBASE-T single-port 60W, 4-pair PoE (Power over Ethernet) MagJack ICMs that are designed for those looking to upgrade their product performance for maximum speed at 60W of power over standard Ethernet cable. The 60W PoE specification doubles the amount of power products can handle over existing applications while also increasing their […]
Buck-boost regulator features ultra-low quiescent current
Renesas Electronics Corporation introduced the ISL9122A, a flexible buck-boost switching regulator with bypass mode that provides ultra-low quiescent current (IQ) for powering sensors, microcontrollers (MCUs), wireless devices, and other system components. Operating with battery output from 1.8V to 5.5V, the ISL9122A extends the battery life of smart IoT devices powered by coin-cell, lithium, and multiple […]
eGaN demo board covers 48-V dc-dc conversion
EPC announces the availability of the EPC9148 and EPC9153 demonstration boards for 48 V DC-DC conversion. The EPC9153 is a 250 W, extremely thin, power module using a simple, low-cost synchronous buck configuration delivering a 98.2% peak efficiency with a maximum component height of 6.5 mm. The EPC9148 utilizes a multilevel topology enabling a maximum […]
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 […]