The RHFLVDS41 low-voltage differential signaling driver from STMicroelectronics is a QML-V qualified device designed for high-speed space data links with data rates up to 600 Mbps. The driver operates over a 2.3 V to 3.6 V supply range, supports compatibility with modern low-voltage logic standards and provides radiation tolerance up to 300 krad(Si) TID with […]
stmicroelectronics
Hybrid USB PD controller adds protocol flexibility without full firmware
The STUSB4531 USB Power Delivery sink controller from STMicroelectronics is a USB PD device featuring a hardwired PD stack with AUTORUN algorithms for software-free power negotiation and management in USB-powered electronics. A newly added hybrid mode allows an external processor to access USB PD protocol layers to support functions such as Alternate modes, battery messaging […]
Tiny synchronous-rectifier controllers improve flyback converter efficiency
The SRK1004 synchronous-rectifier controller from STMicroelectronics is designed to improve efficiency and reduce component count on the secondary side of active-clamp resonant and quasi-resonant flyback converters used in chargers power adapters and switched-mode power supplies. The 2 mm × 2 mm DFN device supports switching frequencies up to 500 kHz provides up to 1.6 A […]
Radiation-hardened diodes qualified to 60 MeV·cm²/mg burnout
STMicroelectronics has introduced three radiation-hardened low-voltage rectifier diodes intended for power conversion and protection circuits used in Low Earth Orbit satellites. The LEO1N58xx devices are supplied in SOD128 plastic packages and are positioned for use in switched-mode power supplies and high-frequency DC-DC converter stages where low forward drop and fast recovery support efficiency and transient […]
65 W GaN flyback integrates 700 V switch and controller
STMicroelectronics has expanded its VIPerGaN family with the VIPerGaN65W, a 65-watt flyback converter that integrates a 700 V GaN power transistor and a quasi-resonant PWM controller in a 5 mm × 6 mm Power QFN package. The device is designed for USB-PD adapters, fast battery chargers, and auxiliary power supplies that require high efficiency in […]
Automotive e-fuse controller reacts within 100 microseconds to faults
STMicroelectronics has introduced the VNF1248F automotive e-fuse MOSFET controller, the newest device in its STi2Fuse family. The controller provides rapid fault response, flexible configuration options, and low-power operation for use in vehicle power distribution and safety-critical systems. The VNF1248F reacts to faults within 100 microseconds—faster than a traditional wire fuse—to help prevent fault propagation within […]
Driver IC enables flexible MOSFET control in 48 V systems
Ready for 48V automotive power architectures, the L98GD8 driver from STMicroelectronics has eight fully configurable channels for driving MOSFETs in flexible high-side and low-side configurations. Able to operate from a 58V supply, the L98GD8 provides rich diagnostics and protection for safety and reliability. The 48V powernet lets car makers increase the capabilities of mild-hybrid systems, […]
Low-dropout regulator integrates soft-start circuitry functions
STMicroelectronics’ L99VR03 300mA low-dropout (LDO) regulator provides resilient and efficient power, with a wide input-voltage range and very low quiescent current consumption, only 3.5µA at no load. The IC has an enable pin for turning the regulator off, which reduces the idle current to 800nA, and integrates soft-start circuitry to limit current during power-up and […]
PoL converter features out-of-phase current sharing and 12 V input capability
STMicroelectronics’ LEOPOL1 point-of-load step-down converter for Low Earth Orbit (LEO) deployments meets the needs of equipment developers targeting the New Space market, now expanding throughout North America, Asia, and Europe. The emerging New Space industry, driven by private-sector companies, is enabling new services such as communication and earth observation, delivered from satellites built and launched […]
Motor drivers feature integrated charge pump for unlimited high-side MOSFET on-time in PWM applications
STMicroelectronics has introduced the STDRIVE102H and STDRIVE102BH, beginning a new generation of integrated gate drivers for three-phase brushless motors to boost performance, efficiency, and economy in consumer and industrial equipment. With an operating-voltage range of 6V to 50V, the STDRIVE102H for single-shunt control and STDRIVE102BH for three-shunt control are easily configured through two analog pins. […]
