The STMicroelectronics L7983 is a compact, 3V-60V, 300mA synchronous DC/DC buck converter with flexible, dynamic-mode selection to satisfy noise-sensitive applications and maximize efficiency at light load. Special ST innovations engineered into the L7983 allow control of the low-side power MOSFET to provide a low-noise mode (LNM) with constant switching frequency and an alternative low-consumption mode (LCM). In LCM, […]
Converters
SMD transformers optimized for SiC MOSFET gate drivers
The WE-AGDT series makes a new SMT assembly transformer available, which, at the same time, is part of a power supply solution developed by Würth Elektronik for demanding gate control of SiC MOSFETs. The innovative WE-AGDT is a compact transformer in an EP7 package. It features a wide input voltage range from 9 to 36 […]
Hybrid aluminum-polymer capacitors optimized for automotive, Industrial Apps
KEMET announces the launch of three hybrid aluminum polymer capacitor series: A780, PHA225, and PHH225. These AEC-Q200 qualified capacitors offer a combination of highly conductive polymer technology and liquid electrolytic material in a hybrid design, resulting in an outstanding electrical performance for automotive and industrial applications. This launch aligns with the growing vehicle electrification product […]
Wide-voltage, high-frequency PoL converters target USB-PD apps
Silanna Semiconductor announced the launch of their newest family of wide voltage, high-frequency point of load converters targeting USB-PD applications. Silanna Semiconductor focuses on ultimate power management challenges with best in class power density and efficiency performance that delights customers with unprecedented BoM savings. SZPL3102A/3103A family of two DC-DC converters (Buck Regulators) operate up to 2MHz. […]
90-A dc-dc converter delvers high power density at 178A/in2
With IT and networking technologies continue to pack more features and processing capacity into smaller packages, printed circuit and wired board space are at more of a premium than ever before. For power engineers and board designers, that can mean less board space available for required power components. ABB is helping to free up valuable […]
Integrated buck converters simply circuit design in automotive power systems
Diodes Incorporated has announced two highly integrated synchronous buck converters that simplify circuit design in automotive power systems with its Power Good output and its innovative EMI mitigation for noise-sensitive applications. The AP63356Q and AP63357Q are 3.5A converters with an input voltage range of 3.8V to 32V. Leveraging peak current mode control as well as […]
500-W step-down dc-dc converter sits in 1/16th brick footprint
TDK Corporation announces the introduction of the 500W rated i7A non-isolated DC-DC converters. Capable of operating from an input voltage of 18V to 60V, the step-down converters deliver an output voltage that can be adjusted from 3.3 to 24V with an output current of up to 33A. The series is designed to be used in […]
How to design modular dc-dc systems, Part 4: Safety protection systems
The previous tutorials in this series detailed the practical design considerations of utilizing power modules for designing power delivery networks (PDNs). Once a designer has chosen appropriate DC-DC modules, designed filters for the input and output of the modules, and provided for the overall stability of the system, the next area of concern is safety. […]
QML-V qualified 7-A PoL dc/dc converter is rad hardened
STMicroelectronics has added a QML-V qualified 7A Point-of-Load (PoL) DC/DC converter to its growing portfolio of radiation-hardened (rad-hard) integrated power products that deliver high power efficiency to satisfy the most demanding space applications. The RHRPMPOL01 is a complete PoL converter, including N-channel power MOSFET and bootstrap diode, with under-voltage, over-voltage, over-temperature, and adjustable over-current protection in a […]
Automotive dc-dc converters enable high-speed operation at 2.2MHz
In recent years, the continued electrification of vehicle systems has increased. Combined with the limited amount of power available, this trend emphasizes the need for lower power consumption. At the same time, the output voltage from the batteries and generators can vary widely, demanding a versatile power supply solution. Rohm’s BD9P series of 12 automotive […]