It can be challenging to give a highly dynamic load a stable voltage when the power supply sits several feet away from the device under test. Bill Griffith • Keysight Technologies Today’s integrated circuits put a highly dynamic load on their power supply. This behavior poses a challenge during testing when IC power comes from […]
Power Supplies
Compact 300/120-W GaN ac adapters meet DoE efficiency specs
CUI Inc announced the expansion of two GaN desktop ac-dc power supply series to its SDI product family, broadening their product range for the GaN adapter line. The SDI300G-U and SDI300G-UR offer 300 W of continuous power from a compact desktop package and boast up to 100% increase in power density compared to non-GaN units. […]
Gains from GaN
Energy efficiencies made possible by gallium-nitride semiconductors are starting to impact every day products. Paul Wiener • GaN Systems, Inc. | Ron Stull • CUI, Inc. Wide-bandgap power semiconductors are in production now and recommended for new designs. The earliest adopters among power supply OEMs have already begun introducing new product lines employing this technology […]
Identifying the right medical power supply
Special considerations apply for power supplies when even small electrical currents pose a shock hazard. Dermot Flynn, Chris Jones • Advanced Energy The consequences of leakage current came to the forefront in the 1970s, and since then technical standards for the safety and effectiveness of medical electrical equipment have evolved to become the most stringent […]
1.5kW ac-dc power supplies offer CV and CC operation
Two new single-phase 1.5kW AC-DC power supplies from XP Power offer programmable constant voltage (CV) and constant current (CC) operation with analog and digital interfaces for user control. The compact and convenient solutions use an efficient resonant zero-volt switching (ZVS) topology and are suitable for equipment manufacturers in a wide range of industries including industrial, […]
High input voltage, wide input range SMPS sports active PFC for 1-kW industrial applications
ABSOPULSE Electronics introduces the PFHI 1K-FXW series of high input voltage, wide input range switched-mode power supplies with active power factor correction (PFC) designed for 1kW industrial applications. The power supplies operate over 180V to 480V AC-input range, 400Vac nominal input or custom. Outputs include 24Vdc/40A, 48Vdc/20A, 110Vdc/9A or 125Vdc/8A or custom. An optional built-in […]
3-kW bridgeless totem pole PFC + LLC converter exceeds 80 PLUS titanium standard
GaN Systems introduced a high efficiency, highest power density 3kW Bridgeless Totem Pole (BTP) PFC + LLC Resonant Converter Power Supply Unit (PSU) that exceeds the 80 PLUS Titanium standard. The combined GaN BTP-PFC with GaN LLC resonant converter enables designers to create lower-cost power supplies that meet demands to deliver more power in a smaller footprint and […]
APEC student attendance support program once again open for applications
The joint sponsors of the Applied Power Electronics Conference (APEC) have announced the continuation of the popular Student Attendance Support Program for APEC 2022, scheduled to take place in Houston, March 20-24. Chosen recipients of the program will receive reimbursement to cover qualified expenses for attending APEC 2022. Those eligible to apply for the program […]
Encased 18 ~ 960-W supplies sport up to 91% efficiency, EN 55032 class B emissions
TRACO POWER announces their new TXLN family of encased power supplies designed for a wide range of cost-critical applications with 12 power platforms ranging from 18 – 960 watts. With a low-profile, six-sided metal case and screw terminal block connections, the TXLN power supplies can be easily and safely installed into any equipment. All models […]
Wide input AC-DC supplies power up embedded apps from 15 W to 320 W
XP Power has announced the introduction of the LCW series of regulated output cased AC-DC power supplies that are ideal for embedded industrial electronics, technology, and equipment requiring household approvals. The nine new series (LCW15, LCW25, LCW35, LCW50, LCW75, LCW100, LCW150, LCW200, and LCW320) offer power levels from 15W to 320W. All models meet EN […]
