STMicroelectronics has unveiled MasterGaN, the world-first platform embedding a half-bridge driver based on silicon technology along with a pair of gallium-nitride (GaN) transistors. The combination will accelerate the creation of next-generation compact and efficient chargers and power adapters for consumer and industrial applications up to 400W. GaN technology enables these devices to handle more power even as […]
stmicroeletronics
Offline PWM controller boosts efficiency, economy, stability of ultra-low standby power supplies
STMicroelectronics’ STCH03 offline Pulse-Width Modulation (PWM) controller combines high integration with accurate constant-current output using primary-side regulation enabling economical mobile chargers, power adapters, or auxiliary supplies to meet stringent eco-design limits for average efficiency and standby power. At heavier loads, the STCH03 maximizes efficiency by operating in quasi-resonant mode with zero-voltage switching (ZVS) controlled by detecting transformer […]
Off-line converters incorporate logic-level primary MOSFET for efficient 5-V output
The VIPer11 off-line converter with embedded 800V avalanche-rugged MOSFET from STMicroelectronics enables equipment makers to design tougher auxiliary power supplies and power adapters. Its 26Vdc drain-start voltage allows an ultra-wide line input voltage range and it enhances flexibility in numerous consumer and industrial applications. The logic-level primary MOSFET enables the VIPer11 to operate with a wide supply […]
Programmable power supply measures power consumption of embedded processors
STMicroelectronics’ STM32 Power Shield enables developers to check the power consumption of their embedded designs accurately, using the same hardware chosen by EEMBC as the new reference platform for the IoTConnect and ULPMark™ (Energy Monitor V2.0) benchmarking frameworks. Compatible with STM32 Nucleo development boards, the STM32 Power Shield (X-NUCLEO-LPM01A) dynamically monitors the current under various operating […]
600-V super-junction power modules target motor drives with new package options, features
New SLLIMM-nano intelligent power modules (IPM) from STMicroelectronics introduce extra package options and integrate additional components to accelerate development and simplify assembly of motor drives from very low power up to 300W. The 3A and 5A modules contain state-of-the-art 600V super-junction MOSFETs to maximize energy efficiency in equipment such as compressors, fans, pumps, and other appliances. A […]
Automotive power MOSFETs have high power density thanks to Tiny 5×6-mm dual-side cooling package
STMicroelectronics has introduced new MOSFET devices in the advanced PowerFLATTM 5×6 dual-side cooling (DSC) package, enabling increased power density in automotive Electronic Control Units (ECUs). The new MOSFETs have already been chosen by Denso, a leading supplier of advanced automotive technology to all major car makers. The STLD200N4F6AG and STLD125N4F6AG are 40V devices for automotive […]
Power MOSFETs with fast-recovery diode target ZVS converter apps
The latest MDmesh DK5 power MOSFETs from STMicroelectronics are Very High-Voltage (VHV) super-junction transistors with the extra advantage of a fast-recovery diode. This helps designers maximize the efficiency of various power-conversion topologies including LLC resonant converters with Zero-Voltage Switching (ZVS). As super-junction MOSFETs, the new devices — in voltage ratings from 950V to 1050V — […]
Tiny 2.6-A BDC motor driver targets portable, battery-powered IoT devices
The STSPIN250 single-chip 2.6A driver for brushed DC motors extends STMicroelectronics’ family of miniature, low-voltage, energy-efficient drivers for battery-powered portable and wearable applications. The driver integrates a full power-MOSFET bridge and fixed off-time PWM current controller in a tiny 3mm x 3mm package that saves space in portable equipment. The low on-resistance of the power […]
Tiny LDOs generate less than 6.5 µVrms noise at 250 mA full load
STMicroelectronics’ LDLN025 Low-Dropout (LDO) voltage regulators deliver best-in-class noise performance in relation to outputcurrent and footprint, generating less than 6.5µVrms noise at 250mA full load with an outline of just 0.63mm x 0.63mm. To ensure high accuracy and sensitivity the LDLN025 is designed to supply ultra-smooth and stable voltage to precision ICs like ADCs, VCOs, […]
High-voltage converter brings high efficiency to fly-back, buck, and buck-boost topologies
STMicroelectronics has introduced a high-voltage power converter that allows designers to build an ultra-low-consumption, simple, and cost-effective SMPS (Switched-Mode Power Supply) with a 5V output voltage. Particularly suited for low-power applications in home appliances, building, lighting, and motion control, as well as small industrial and consumer applications, the VIPER01 operates directly from a rectified mains […]
