VisIC Technologies is now sampling the industry’s first 1200V GaN modules and is announcing a major manufacturing partnership with TSMC on their GaN on silicon technologies that were announced last year. Engineering samples are now in design with lead customers, and trade demonstratons will take place during PCIM China 2018 Shanghai. This extremely fast power […]
Semiconductor
Constant-current linear driver IC powers LEDs without external transistor
Infineon Technologies AG released BCR430U, a constant current linear LED driver IC. The BCR430U provides industry-leading drop performance for regulating LED current in standalone operation. No external power transistor is needed. Typical applications for the BCR430U include LED strips, architectural LED lighting, LED displays as well as retail, appliance and emergency lighting. The voltage drop at […]
Dual-channel, 1.6-A synchronous buck driver simplifies LED dimming
Analog Devices announces the Power by Linear LT3964, a dual channel, 36V, high efficiency, synchronous, step-down LED driver with internal 40V, 1.6A power switches and an I2C interface that simplifies LED dimming control. The LT3964 operates with a wide 4V to 36V input range, and features two independently controlled LED drivers that switch at up to […]
MOSFET and IGBT gate drivers deliver peak current of 5 A
Power Integrations introduced the newest member of its SCALE-iDriver IC family, SID1102K, a single-channel, isolated, MOSFET and IGBT gate drivers in a wide-body eSOP package. Featuring a peak drive current of up to 5 A, the new part is able to drive 300 A switches without boosters; external boosters can be used to cost-effectively scale […]
Dual rail-to-rail 100-V power monitor sports ±0.3% accuracy
Analog Devices, Inc. announces the LTC2992, a wide range I2C system monitor that monitors the current, voltage and power of two 0V to 100V rails without additional circuitry. The LTC2992 has flexible power supply options, deriving power from a 3V to 100V monitored supply, a 2.7V to 100V secondary supply, or from the onboard shunt […]
High voltage GaN application development resources available online
Transphorm Inc. announced the latest resources for high voltage GaN application development produced by its Silicon Valley Center of Excellence. The Center is responsible for educating and supporting customers developing with high-voltage (HV) wide bandgap semiconductor. Application design engineers can access tools, app notes, SPICE models and more via the Center’s Design Resources library. For questions regarding […]
Offline flyback switcher IC family carries 94% efficiency ratings
Pairing the latest sleek, sexy phone with a power adapter that screams “brick” simply doesn’t fly anymore for the consumer, nor does settling for anything but substantially noticeable charging times. But it’s one of the apparent sweet spots for Power Integrations’ latest offline CV/CC flyback switcher ICs in the InnoSwitch line. After all, what manufacturer or consumer […]
GaN HEMT RF power devices handle 250 W, work up to 3 GHz
Wolfspeed, A Cree Company and a leading global supplier of GaN-on-SiC high electron mobility transistors (HEMTs) and monolithic microwave integrated circuits (MMICs) with best-in-class reliability, has extended its family of 50V unmatched GaN HEMT RF power devices by adding a 250W part with a frequency range up to 3.0GHz and the highest efficiency of any comparably-rated […]
Microsemi to develop 1.7 kV and 3.3 kV SiC MOSFETS and diodes as part of PowerAmerica Institute’s DOE initiative
Microsemi Corporation announced it has become a member of PowerAmerica—a manufacturing institute comprised of public and private representatives from the semiconductor industry, the U.S. Department of Energy, national laboratories and academia—to accelerate the commercialization and adoption of wide bandgap semiconductors. Microsemi was awarded a contract as part of PowerAmerica’s $70 million dollar backing from the U.S. Department of Energy […]
High-voltage ac LED driver needs no diode bridge
LSI/CSI announces the availability of a powerful, all-inclusive new system level, High Voltage LED Dimmable Driver IC. Designated LS9100 Archimedes Series, this high-performance, low cost IC has a rugged design optimized for driving LED banks directly from the main utility line which eliminates the previously required, expensive and bulky AC-DC Power Supplies formerly used to drive LEDs. […]
