Littelfuse, Inc. announced the release of the 3425L Series SMD resettable PPTCs (Polymeric Positive Temperature Coefficient) overcurrent circuit protection devices. The latest 3425L Series SMD PPTCs is an extension of the Littelfuse PolySwitch family of resettable overcurrent protection devices, which provides resettable, high-voltage overcurrent protection in a compact, surface-mounted 8763 mm (3425 mils) size. The […]
Switches
High-efficiency 20-V N-channel MOSFET optimized for switching in small, thin devices
ROHM Semiconductor announced they have developed a compact, high-efficiency 20V N-channel MOSFET (RA1C030LD), optimized for switching in small, thin devices, including smartphones and wearables such as wireless earbuds and other hearable equipment. In recent years, the increasing sophistication and power requirements of compact devices have resulted in larger batteries that reduce the space available for […]
World’s highest-power MEMS switch handles 10 A
The new MM9200 is the world’s first micromechanical power switch capable of handling 10 A in a miniature 5×5-mm surface-mount package. With its ultra-low 0.010-Ω contact resistance, the new MM9200 is said to be the lowest-loss and highest power capable micro-mechanical switch ever created. The MM9200 targets a wide range of applications including industrial automation, […]
Load switch changes state in less than 60µs
STMicroelectronics has introduced the IPS1025HF fast-starting high-side power switch for use in safety systems that require minimal power-on delay time. The IPS1025HF responds to turn-on and turn-off signals in less than 60µs even considering the Vcc power-on and off, enabling protective systems to ensure a specified safety-integrity level (SIL). Featuring a very wide input-voltage range from 8.65V […]
Ultra-low-current detect switches optimized for battery powered devices
C&K has extended its detect product family to include an ultra-low current version. The SDS ULC (Ultra-low Current) detect switch series is designed to limit power consumption on battery-powered devices. With the proliferation of wireless and portable battery-powered devices, designers require solutions that consume minimal energy to prolong battery life. Combining low current (10µA) with […]
USB Type-C V BUS combo switch carries over-current/voltage protection
Halo Microelectronics announced the release of HL5099, a USB Type-C VBUS Combo Switch with Protection. The HL5099 provides a dual-channel VBUS power switch with 3.3V low dropout (LDO) for USB power delivery (PD) applications. The device includes a bi-directional high-voltage switch that can support up to 22V sink and 6V source voltage, a VOTG switch […]
Power 40-V MOSFETs deliver low on resistance
Taiwan Semiconductor introduces the PerFET Series of single- and dual-channel 40V power MOSFETS. Built on proprietary device structures and processes that enable exceptionally low on-state resistance and switching FOM (figure-of-merit), the PerFET device’s achievement of 50% RDS(ON) and 40% FOM reduction puts this new portfolio at the industry’s leading edge of performance. The 40V N-channel […]
High-efficiency quasi-resonant PFC IC carries 750-V GaN switch
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 […]
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 […]
