Power Supplies

May 2022
Meeting Power Management Enhanced Efficiency, Reliability and Safety Requirements

Click image to enlarge

Figure 1. General Block Diagram of a Switch Mode Power Supply (SMPS)

­Power conversion, isolation and accurate current measurement along with overvoltage/overcurrent circuit protection are necessary elements in a power supply design. Not only are these component solutions needed to help enhance reliability, but they are also required for regulatory compliance to help increase safe
. . . Read More
Date:
05/31/2022

Power Integrations Expands InnoSwitch4-CZ Integrated Switcher Family to 220 W

Power Integrations Expands InnoSwitch4-CZ Integrated Switcher Family to 220 W

­Power Integrations announced an expanded offering of the InnoSwitch 4-CZ family of high-frequency, zero-voltage switching (ZVS) flyback controller ICs. When paired with Power Integrations' ClampZero™ active-clamp IC and, optionally, the recently announced HiperPFS™-5 GaN-based power-factor cor
. . . Read More
Date:
05/26/2022
World's First 100W/in3 Data Center Power Supply
­GaN Systems and xFusion Digital Technologies Co., Ltd. (xFusion) introduced the xFusion 3kW PSU, the world’s first 100W/in3 with 80 Plus Titanium efficiency solution.  The increasing demand for more data and power combined with sustainability initiatives are driving change in the dat
. . . Read More
Date:
05/13/2022
onsemi Launches Highly Efficient USB Power Delivery Solutions
­onsemi launched a trio of products for USB Power Delivery (PD) design. The new controllers and driver incorporate innovative features that dramatically reduce BOM content of high efficiency AC/DC power supplies, specifically for load ranges above 100W.   The  NCP1345 is a Quasi-Re
. . . Read More
Date:
05/12/2022
Two Terminal Bipolar Power Supply

Click image to enlarge

Figure 1. An electrical schematic of a power supply based on the LT8714 operating in two quadrants VIN 12 V, VO ±5 V at 6 A

­A 2-quadrant power supply — one that provides a positive or negative voltage to the same output terminals — can easily be produced using the LT8714 4-quadrant controller. The 2-quadrant supply shown here can be used in a variety of applications ranging from window tinting — where changing polarity ch
. . . Read More
Date:
05/01/2022
New Technique is Ultrasound for Charging Through Skin
­At the moment, we rely on batteries to power many things in our homes and working lives. However, there is the potential to increase that number if we had new methods of recharging. These days, most batteries are rechargeable, especially ones that are expected to work for a long time in place. It is sensible, as
. . . Read More
Date:
05/01/2022