STMicroelectronics is extending its range of digital power-supply controllers with the STNRGPF02 for two-channel interleaved boost-PFC topologies. Customers can easily configure the device using eDesignSuite software that also helps quickly complete the circuit design and select external components. The STNRGPF02 brings the advantages of digital power to applications from 600W to 6kW, including greater flexibility and faster […]
Active-clamp flyback PWM controllers enable high-efficiency supply designs
Silanna Semiconductor announced the launch of an expanded portfolio of Active Clamp Flyback Controllers (ACF). The SZ1110 and SZ1130 devices are active clamp flyback PWM controllers that integrate an adaptive digital PWM controller and the following Ultra High-Voltage (UHV) components: an active clamp FET, active clamp gate driver, and a startup regulator. This unprecedented level […]
Controllers manage 8-W high-voltage converters
STMicroelectronics’ VIPer222 controller for high-voltage converters up to 8W brings small size, low cost, and versatility to applications such as home appliances, building-automation devices, smart lighting, and smart meters. With integrated features including an error amplifier, current-sensing MOSFET, and high-voltage startup circuitry, the VIPer222 can be used in a wide variety of popular converter topologies. These include […]
Standalone VBUS-power controller handles 5-V USB-C charging apps
The STUSB4500L from STMicroelectronics is a small-footprint addition to the Company’s USB-C controller IC family designed and certified for pure 5V sink-only applications. All mandatory features to use the USB-C connector as a 5V universal power plug are integrated, allowing designers to implement USB-C charging solutions quickly and easily without studying the standard or writing code. USB-C […]
Sync-rect controllers make for high-efficiency power adapters
The STMicroelectronics SRK1001 secondary-side synchronous-rectification controller introduces adaptive features that cut bill-of-materials costs, minimize circuit size, and simplify the design of power adapters, chargers, USB Power Delivery outlets, and lighting power supplies based on flyback topologies. Designed for fast turn-on with minimum delay, and introducing innovative adaptive turn-off logic, the SRK1001 maximizes synchronous-rectification MOSFET conduction time for […]
Battery-management IC extends driving range, reliability, and safety of EVs
STMicroelectronics has revealed new battery-management technology that increases reliability, safety, driving range, and cost-effectiveness of electric vehicles (EVs). EVs are predicted to reach cost parity with conventional combustion-engine vehicles before the end of this decade and overtake in sales volume by 2038. ST, leveraging its technical capabilities to help carmakers achieve these goals, has announced an […]
LED drivers and controllers simplify efficient and reliable lighting design
ON Semiconductor has launched a new family of four devices that facilitate the high levels of performance and innovative functionality that vehicle manufacturers and consumers now expect from automotive exterior and interior lighting. Aimed specifically at low power solid state lighting, the new family comprises two LED drivers (NCV7683 and NCV7685) and two current controllers (NCV7691 and […]
Multi-mode, forced-frequency-resonant digital power controller targets fast-charger designs
Infineon Technologies AG launches the XDP digital power XDPS21071, the first flyback controller in the industry with zero-voltage switching (ZVS) on the primary side to achieve high efficiency. This controller is aimed at fast-charging applications such as USB-PD or QuickCharge. Light-load efficiency is optimized for variable output applications. The XDPS21071 is a high-performance digital flyback […]
The move to synchronous power supplies in smart factories
The need for high efficiency is pushing industrial power supplies toward synchronous topologies that minimize the use of external heat sinking and cooling. Anthony “Thong” Huynh, Maxim Integrated Buildings, factories, and industrial equipment are getting more space-efficient, driving a move toward miniaturizing the underlying components that enable intelligence and automation. This trend challenges the power […]
Controllers simplify USB-C PD 3.0-based power supply designs
ON Semiconductor has announced a pair of novel devices that are fully compliant with the USB-C PD 3.0 standard. The FAN6390 adaptive charging controller brings ease of integration of the USB-C PD 3.0 programmable power supply (PPS) standard into systems while the NCP12601 is a highly integrated multi-mode flyback controller for rugged, high-performance, offline power […]
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