pSemi announced a breakthrough in multi-level buck regulator technology that promises to revolutionize the mobile battery charging industry. The multi-level technology is capable of high efficiency and fast battery charging in a low profile (<1mm) application. The converter operates over a wide range of input from 4.5V to 18V covering USB and wireless charging standards. […]
Regulators
Voltage regulators achieve 5.3 μa quiescent current for automotive systems
Nexperia introduced a new series of AEC-Q100 qualified general-purpose low-dropout (LDO) voltage regulators with ultra-low quiescent current. This new series includes tracking LDOs with high tracking accuracy and protected outputs, capable of direct connection to vehicle batteries thanks to their wide input voltage tolerance. These LDOs are thermally enhanced and can generate a stable voltage […]
Buck converter powers Intel Arrow Lake platform
Alpha and Omega Semiconductor Limited announced its new application-specific EZBuck Regulator. The highly integrated, compact, and high-power-density AOZ23567QI Constant On-Time Buck Converter offers an upgraded solution that is designed to support VCCPRIM_VNNAON rails in the Intel Arrow Lake platform. AOS’ AOZ23567QI Constant On-Time Buck Converter delivers all necessary power silicon in a thermally enhanced QFN 5 x 5 […]
APEC 2024: Semiconductors, modules, transformers, and chargers
Power supplies from phone chargers to EVs to industrial machinery rely on semiconductors, either in discrete packages or integrated into power modules, to deliver power. APEC 2024 was full of power sources and components. The roundup below highlights regulators, switches, and power semiconductors. We also highlight wireless power delivery and chargers. Be sure to see […]
APEC 2024: Power to the data center
Data centers power the world, or does the world power data centers? According to one report, datacenters currently consume 2% of the world’s electricity and that could increase to 8% by 2030. Much of that electricity arrives at the load as low voltage, high current. For example, a single IC, processor, graphics processor, AI chip, […]
EDLC capacitors handle 9 WVDC, save board space
Knowles Precision Devices announced its latest Electric Double Layer Capacitor (EDLC), or supercapacitor, modules are now available. Based on Knowles’ Cornell Dubilier brand DGH and DSF Series supercapacitors, these cutting-edge capacitors use a three-cell package for higher operating voltages and printed circuit board space savings. Knowles Corporation acquired Cornell Dubilier in 2023 to expand its offering […]
Buck converters provide power to Intel/Arrow Lake CPUs
Alpha and Omega Semiconductor Limited introduced its new application-specific EZBuck regulator. The AOZ22559QI and AOZ22539QI Constant On-Time Buck Converters are offered in a QFN 4 x 4 package, which is the industry’s most compact footprint and is designed to support VCCPRIM_VNNAON rails in Intel Meteor Lake and Arrow Lake platforms. Intel’s Meteor Lake and Arrow […]
2 and 20 A synchronous buck regulators use COT control scheme to optimize performance
Modern power systems require highly efficient and compact regulators. Infineon Technologies AG addresses this challenge with the TDA388xx family, targeting the server, AI, datacom, telecom, and storage markets. The 12 A and 20 A synchronous buck regulators utilize a fast constant on-time (COT) control scheme to optimize performance. This approach ensures rapid transient response, minimizes […]
Tiny, synchronous buck regulator modules for PoL converters
Vishay Intertechnology, Inc. announced new 6 A, 20 A, and 25 A microBRICK synchronous buck regulator modules designed to deliver increased power density and efficiency for point of load (POL) converters. Offered in a 10.6 mm by 6.5 mm by 3 mm package, the Vishay Siliconix SiC931, SiC951, and SiC967 are the smallest such devices on the market […]
LDO regulator power noise-sensitive circuits
Diodes Incorporated has released a 3A-rated low-dropout (LDO) voltage regulator supporting 4.4µVRMS operation (at 0.8V output). Delivering a clean supply, the AP7179D is highly optimized for powering noise-sensitive components – such as the high-performance SerDes, RF components, and data converters needed for high-speed communications, test and measurement, medical, and video applications. Remote radio units (RRUs), outdoor backhaul units, mMIMO active […]