Power Integrations announced the HiperPFS-5 family of power-factor-correction (PFC) ICs with an integrated 750 V PowiGaN gallium-nitride switch. With an efficiency of up to 98.3 percent, the new ICs deliver up to 240 W without a heat sink and can achieve a power factor of better than 0.98. HiperPFS-5 ICs are ideal for high-power USB […]
Switches
Ultra-high efficiency, low component count AC/DC supplies include power factor correction
Eggtronic has expanded its EcoVoltas family of high-efficiency AC/DC architectures with the launch of SmartEgg, a Zero Voltage Switching (ZVS) solution for power applications in the 75 to 1kW range that need both output voltage regulation and power factor correction (PFC). By enabling much higher no-load-to-full-load efficiency and a 50% smaller bill of materials (BOM) […]
High-voltage switcher IC supports conventional offline non-isolated flyback, buck configurations
Diodes Incorporated has introduced a universal AC high-voltage input non-isolated offline switcher IC to further strengthen its power products portfolio. The AP3928 addresses the challenges associated with using a biased power supply. It delivers safe and reliable power, while simultaneously maintaining elevated performance figures and enabling significant cost savings. This switcher IC is optimized for […]
Dual high-side switches from ST add extra flexibility for driving capacity loads
STMicroelectronics’ latest high-side switches, the IPS2050H, and the IPS2050H-32 permit two programmable current-limit values for smart driving of capacitive loads that draw high startup current. These new dual-channel switches have an input-voltage range from 8V to 60V and can withstand up to 65V on the input pin, ensuring flexibility and robust performance in industrial applications. The integrated power MOSFET […]
High-side drivers integrate logic, MOSFET and analog circuitry in 6 mm x 6 mm
The VN9D30Q100F and VN9D5D20FN from STMicroelectronics introduce a new generation of automotive intelligent switches, the first in the market with digital current sensing among the fully digital on-chip diagnostic features. Designed for high-side connection in applications powered from a 12V battery, the drivers simplify the hardware and software design of electronic control units (ECUs) and […]
Reed relays capable of standing-off 1.5, 2, and 3kVdc
The Series 100HV high voltage SIL/SIP reed relays rated for up to 3kV stand-off voltage have more than double the coil resistance than previous reed relays. There are three types of dry switches available, which are capable of standing-off 1.5kVdc, 2 kVdc, or 3kVdc. The 3kV version features increased clearance between the switch and coil pins to accommodate […]
Flyback switcher ICs carry built-In USB PD controller
Power Integrations announced the InnoSwitch3-PD family of ICs, the industry’s most highly integrated solution for USB Type-C, USB Power Delivery (PD), and USB Programmable Power Supply (PPS) adapters. This compact InSOP-24D-packaged IC includes a USB-C and PD controller, a high-voltage PowiGaN switch, a multi-mode quasi-resonant flyback controller, secondary-side sensing, FluxLink isolated digital feedback, and a […]
Automotive-compliant, current limit power switch can be set between 125mA and 1735mA
Diodes Incorporated introduces the AP22653Q programmable current limiting power switch. Streamlining power system design and assuring ongoing reliability, this automotive-compliant device provides a controlled and protected power path. It is rated to handle continuous load currents of up to 1.5A. Key applications include protection of vehicle USB ports and ECU supply rails, and infotainment and telematics […]
Diode protection switch works in Type-C power delivery
Alpha and Omega Semiconductor Limited announced a new Type-C Power Delivery high voltage sink protection switch using ideal diode methodology for reverse current protection. The AOZ13984DI-02 and AOZ13987DI-02 are smart protection switches in a single small thermally enhanced 3mm x 3mm DFN package. The new products use AOS¡¯s advanced co-packaging technology, combining a high-performance IC with protection features and our latest […]
ZVS flyback supplies enable ultra-compact chargers for phones, tablets, laptops
Power Integrations’ new InnoSwitch4-CZ IC is a high-frequency, zero voltage switching (ZVS) flyback switcher which enables a new class of ultra-compact chargers for phones, tablets, and laptops up to 110 W. Anker, the global charging expert for mobile devices, has incorporated the InnoSwitch4-CZ in its new Nano II series of USB PD chargers. With the […]
