Empower Semiconductor announced they have achieved the world’s fastest transient response times in the Integrated Voltage Regulator family of Power Management devices. The Empower IVR EP7010 is a 10A Regulator that can regulate through a load step from zero to 10A in 500ns with <15mv droop, with NO output capacitors! Empower Semi’s patented digitally configurable […]
Power Electronic Tips
Active AC-DC bridge rectifiers eliminate bridge losses
Alpha and Omega Semiconductor Limited announced a new family of active AC-DC bridge rectifiers. Aptly trademarked AlphaZBL for “zero bridge loss,” this new family of products virtually eliminates the bridge rectifier losses in AC-DC power supplies and adaptors. Typical end applications include high power 100W and above adaptors used for high-end laptops and televisions as […]
85/85 THB-rated AC filter capacitors designed for harsh environments
Designed for harsh environments, Cornell Dubilier’s new ALH series of AC-rated filter capacitors offer 50% greater life than competitive 85/85 THB-rated film capacitors. The Temperature, Humidity at Bias (THB) test exposes parts to the harsh conditions of 85 °C at 85% relative humidity with rated voltage applied. CDE’s testing has been validated for 1,500 hours, […]
AC/DC power supply testing and qualification – Virtual Roundtable, Part 2
Welcome to the second part of EEWorld’s two-part “virtual roundtable” discussion on ac/dc power supply testing and qualification. Today, we will be focused on power factor correction, leakage currents, and electromagnetic compliance assurance testing. Our panelists are: Yogesh Pai (YP), Tektronix Product and Marketing Manager for Power; Bill Griffith (BG), Power Products Marketing, with Keysight […]
AC/DC power supply testing and qualification – Virtual Roundtable, Part 1
Welcome to the first part of EEWorld’s two-part “virtual roundtable” discussion on ac/dc power supply testing and qualification. Today, we will be focused on various aspects of power supply efficiency, standby power, and static and dynamic output regulation testing. Our panelists are: Bill Griffith (BG), Power Products Marketing, Keysight Technologies: Johnnie Hancock (JH), Oscilloscope Product […]
High-density, quarter brick dc-dc converters optimized for railway apps
CUI Inc announced the addition of two 75 and 100-watt high-density, quarter-brick dc-dc series to its isolated dc-dc converter line. These new compact products utilize the latest technology, allowing for a much smaller footprint while maintaining high operating efficiency of up to 94%. These converters are additionally designed to meet the latest regulatory requirements for […]
Inductors target power circuits in wireless earphones
TDK Corporation has developed the PLEA67 Series of inductors for use in true wireless stereo (TWS)* devices. Mass production will begin in March 2021. This new series of inductors is intended for use in power circuits incorporated into wireless earphones used with smartphones, portable players, and similar devices. In addition to an impressive rated current […]
High-power offline buck converter ICs target mass-market appliances
Power Integrations announced a new member of its acclaimed LinkSwitch-TN2 AC-DC converter family. The new LNK3207 ICs facilitate higher-power offline buck converter designs for appliances and industrial applications by increasing the available output current from 360 mA to 575 mA, while also reducing BOM count. The LNK3207 AC-DC converter ICs increase the available current by 60% while also delivering […]
Lidar laser IC includes 40-V, 10-A FET, integrated gate driver, LVDS logic-level input
EPC announces the introduction of a laser driver that integrates a 40 V,10 A FET with a gate driver and low-voltage differential signaling (LVDS) logic level input in a single chip for time-of-flight lidar systems used in robotics, drones, augmented reality, and gaming applications. The EPC21603 is a laser driver that is controlled using LVDS […]
Compact 1.5-kW supply sports extended comm bus for medical, industrial apps
COSEL Co, Ltd announced the addition of a 1500W power supply to its PCA series with extended communications I/O for demanding medical and industrial applications. The addition of the PCA1500F complements and expands the family of power supplies to cover a much larger range of applications from 300W up to 1500W in four series. The […]
