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 […]
Switches
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 […]
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 […]
