STMicroelectronics’ VIPerGaN65D flyback converter, with its SOIC16 outline, permits extremely small and economical power supplies, adapters, and USB-PD (Power Delivery) fast chargers up to 65W with universal input voltage. The quasi-resonant offline converter integrates a 700V gallium nitride (GaN) transistor and optimized gate driver with typical protection features, making wide-bandgap technology easily accessible to elevate […]
Lighting
Voltage regulators achieve 5.3 μa quiescent current for automotive systems
Nexperia introduced a new series of AEC-Q100 qualified general-purpose low-dropout (LDO) voltage regulators with ultra-low quiescent current. This new series includes tracking LDOs with high tracking accuracy and protected outputs, capable of direct connection to vehicle batteries thanks to their wide input voltage tolerance. These LDOs are thermally enhanced and can generate a stable voltage […]
700 V chip features 120 mΩ rating in DPAK-4L package
Navitas Semiconductor has announced GaNSlim, a new generation of highly integrated GaN power ICs that will further simplify and speed the development of small form factor, high-power-density applications by offering the highest level of integration and thermal performance. GaNSlim enables the simplest, fastest, and smallest system design by integrating drive, control, and protection, with integrated […]
Rectifiers offer robust ESD protection for automotive applications
Taiwan Semiconductor announces its new line of automotive-qualified rectifiers featuring ESD withstand capability. The new TSD Series rectifiers simultaneously provide repetitive peak reverse voltage (VRRM) of up to 600V as well as ESD protection of >10,000V (per IEC-61000-4-2). Devices in the series have optional current ratings of 1A, 2A, and 3A, and operating temperature ranges from […]
Schottkys in DPACK footprint offer drop-in improvements in power density, thermal performance.
Taiwan Semiconductor announces its new ThinDPAK family of ultra-fast-recovery Schottky rectifiers. ThinDPAK devices have the same footprint as standard DPAKs – but come in a thinner (1.33mm) package and offer superior power density and thermal performance. Fully AEC-Q qualified with a maximum operating temperature (Tj, max) of 175°C and typical reverse-recovery time of 25ns, ThinDPAKs assure […]
Planar transformers pump out up to 70 W for DC-DC converters
Bourns, Inc. introduced its Model PLN0xx-ED21 Series Planar Transformers with the advanced features needed to meet today’s high frequency, smaller space power conversion application requirements. These forward converter transformers are designed to deliver outstanding high volumetric power density, low loss, and exceptional efficiency in a compact, low-height profile design. Bourns Model PLN0xx-ED21 Series Planar Transformers also are […]
High-side switch suitable for driving 12 V automotive loads
Diodes Incorporated has introduced the DIODES ZXMS81045SPQ, its first protected, automotive-compliant, high-side IntelliFET. This device is capable of delivering high power from a small footprint, while also providing protection and diagnostic capabilities. It is suitable for driving 12V automotive loads, such as LEDs, bulbs, actuators, and motors in automotive body control and lighting systems. The […]
Far UV-C, deep UV-C LEDs sport super-high outputs
Silanna UV has announced new far UV-C and deep UV-C LEDs that take advantage of the company’s patented short-period superlattice (SPSL) technology for industry-leading performance in the difficult-to-obtain 230 – 265 nm UV range – including the highest output power in any mass-produced UV LED at 235 nm. The far UV-C 235 nm SF1 series […]
Proof-of-concept platform evaluates ambient light and heat micro-power sources
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 […]
The humble neon lamp: down, but definitely not out, Part 3
Despite the convenience and availability of LEDs, the neon lamp still has a viable position as a power-on indicator as well as use in some specialty applications. Thus far, we have looked basic neon lamp principles and operation. This part looks at some special issues related to these versatile indicators. Q: Why use a neon […]
