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 […]
Controllers
Buck controller integrates overcharge, overheat, and voltage anomaly protection mechanisms
Renesas Electronics Corporation introduced the RAA489300/RAA489301 buck controller featuring three-level buck topology for battery charging and voltage regulation in USB-C systems, including multi-port USB-PD chargers, portable power stations, PC docking stations, robots, and drones. The three-level converter topology incorporates two additional switches and a flying capacitor compared to conventional two-level buck converters, reducing voltage stress […]
Controller ICs provide 30V overvoltage tolerance on connector pins
Nexperia introduced a new series of USB Type-C and USB power delivery (USB PD) controller ICs to support up to 18-140 W charging designs for the consumer USB charger market. The release of these controllers positions Nexperia as the sole semiconductor manufacturer to offer all of the components required to implement an efficient 18-140 W […]
Digital controller pushed GaN switching to 2 MHz.
Wise Integration announced the release to production of its first fully digital controller, WiseWare 1.1 (WIW1101), based on the MCU 32 bits. This milestone innovation enables high-frequency operation up to 2 MHz, unlocking new levels of power density, efficiency, and form factor in compact AC-DC power converters. The product is now available and ready for […]
Eight-phase controller provides two output power rails
Alpha and Omega Semiconductor Limited announced its AOZ98252QI 2-output, 8-phase controller with low 2.5 mA quiescent power. Featuring AMD SVI3 high-speed and SMBus digital interfaces, the AOZ98252QI is engineered as a key component in a complete system power solution with AOS’ DrMOS products for graphics and desktop systems. The AOZ98252QI digital controller provides two output rails […]
SiP controller delivers up to 60 W power with universal 85 V – 305 V AC input range
Infineon Technologies AG is launching its new CoolSET System in Package (SiP), a compact, fully integrated system power controller for highly efficient power delivery of up to 60 W at universal input voltage range of 85 – 305 V AC. Housed in a small SMD package, the high-voltage MOSFET with low R DS(ON) eliminates the need for […]
5 x 5 mm motor controller operates from 12 V automotive supply
TDK Corporation has expanded its Micronas HVC 5x embedded motor controller family with the HVC 5481G for automotive applications. The new HVC 5481G functions as a programmable gate driver system-on-chip (SoC) designed to control an external power bridge with 6 N-channel FETs for driving actuators, fans, and pumps. Samples of the HVC 5481G are currently […]
GaNe-based controller achieves standby power below 30 mW
STMicroelectronics’ VIPerGaN65D flyback converter, with its SOIC16 outline, permits extremely small and economical power supplies, adapters, and USB-PD (Power Delivery) fast chargers up to 65W with universal input voltage. The quasi-resonant offline converter integrates a 700V gallium nitride (GaN) transistor and optimized gate driver with typical protection features, making wide-bandgap technology easily accessible to elevate […]
Hybrid flyback controllers reduce transformer size via lower leakage inductance
Infineon Technologies AG is introducing the E-version of its hybrid flyback controller family. Designed for high-performance applications, the new XDP hybrid flyback digital controller family leverages the advanced asymmetrical half-bridge (AHB) topology, which combines the simplicity of a flyback converter with the efficiency of a resonant converter, enabling high power density designs. This makes the […]
Hot swap controller withstands 100 V transients for 500 milliseconds
Infineon Technologies AG expands its XDP digital protection product family with the XDP711-001, a 48 V wide input voltage range digital hot swap controller with a programmable safe operating area (SOA) control designed for high-power AI servers. The controller will provide superior input and output voltage monitoring and reporting of ≤0.4 percent and system input […]
