Intersil Corporation today introduced two new USB-C™ buck-boost battery chargers that support bidirectional power delivery in ultrabooks, tablets, power banks and other mobile products. The single-chip ISL9238 and ISL9238A battery chargers replace competitive two-chip solutions to reduce customer bill of materials (BOM) costs by up to 40%. Both ICs employ Intersil’s patented R3™ modulation technology to […]
Semiconductor
GaN FET boasts 72 mΩ on resistance
Transphorm Inc., a leader in the design and manufacturing of JEDEC-qualified 650V GaN (gallium nitride) semiconductors, today announced its latest portfolio addition: the TPH3212PS. Available in a TO-220 package, the device has an on-resistance of 72 mOhms (mΩ) and targets AC to DC and DC to AC power supplies. When used inside the former, the […]
SiC Schottky barrier diodes feature low forward voltage, high surge resistance
ROHM has recently announced the availability of 3rd generation SiC Schottky Barrier Diodes (SBDs) optimized for power supply PFC circuits in servers and high-performance PCs. The SCS3 series adopts a new structure that improves upon the industry-low VF characteristics of ROHM’s 2nd Generation SiC SBDs (1.35V @ 25C) while providing increased surge resistance. This contributes […]
Chips to accelerate the adoption of wireless charging, with ability to efficiently charge metal-body consumer electronics
STMicroelectronics and WiTricity, the industry pioneer in wireless power transfer over distance, today announced their design collaboration to develop semiconductor solutions for magnetic-resonance-based wireless power transfer. The goal is to “cut the last cord,” bringing convenience to the powering and charging of consumer electronics, Internet of Things (IoT) devices, as well as medical, industrial, and […]
TVS diode combines 200-W surge, 3.3-V reverse standoff, 6.8-V clamping voltage capabilities in a small-footprint for mobile apps
Littelfuse, Inc., the global leader in circuit protection, has introduced a series of TVS Diodes designed specifically to protect sensitive portable and compact electronics from voltage transient events. The SMF3.3 Series TVS Diode combines 200W surge capability, low reverse standoff voltage (3.3V), and low clamping voltage (6.8V) with a small-footprint, low-profile SOD-123FL plastic package for […]
New technique cuts costs of SiC high-voltage switches
Connecting several silicon-carbide MOSFETs in series may be a relatively inexpensive way of fielding high-performance power switches. So say researchers at North Carolina State University’s FREEDM Systems Center. The topology for the new power switches is called the FREEDM Super-Cascode. It combines 12 smaller SiC power MOSFETs in series to reach a power rating of […]
Tx/Rx IC boasts 15W in-vehicle charging and enhanced driver usability
NXP Semiconductors today introduced an innovative 15W wireless charging solution, qualified to meet stringent automotive and industrial grade requirements. Compatible with WPC Qi and PMA charging standards, this complete solution allows automakers to easily transition from 5W to 15W capabilities, giving drivers a faster in-vehicle charging experience for mobile phones, tablets, and wearables. The new […]
Power management IC boasts ultra-low-power boost converter for high efficiency
Following its arrival on the power semiconductor scene earlier this year, e-peas today announces commercial availability of its first IC. The AEM10940 utilizes the company’s unique proprietary energy management technology in order to maximize the efficiency with which electronic hardware draws energy from the ambient environment. This device, which is now in full scale production, […]
0805 single-chip TVS devices deliver <0.2ns transient response
AVX Corporation has added new 26VDC components to its proven, dual-function TransFeed™ and TransFeed Automotive Series varistors, extending the series’ superlative EMI/RFI filtering and bi-directional ESD protection capabilities to an even broader range of applications, including: automobiles, power supplies, computers, medical instruments, smartphones, multimedia add-on cards, barcode scanners, remote terminals, transceivers, and test equipment. TransFeed […]
80-A SCRs help miniaturize power modules
STMicroelectronics has introduced the industry’s first 800V surface-mount Silicon Controlled Rectifiers (SCR, or thyristor) specified for operation at temperatures up to 150°C without derating, giving freedom to miniaturize power modules for applications that demand high reliability in harsh conditions. With its 80A current rating, the new TM8050H-8 SCR, housed in the High-Voltage D3PAK (TO-268-HV), enables […]
