Transphorm Inc. stated today that the recently announced high-efficiency TET3000-12-069RA power supply marks another GaN industry milestone. Developed by Bel Power Solutions, a Bel group company, the AC to DC front-end TET3000 uses a GaN-based bridgeless totem-pole power factor correction (PFC) topology to achieve greater than 96 percent efficiency. The power supply will be displayed during […]
AC-DC
Open-frame ac-dc power supplies span 6 to 20 W
CUI’s Power Group today announced the addition of four low power, open frame ac-dc power supply series to its VOF product family. The VOF‑6B, VOF‑10B, VOF‑15B, and VOF‑20B series are 6, 10, 15, and 20 W power additions to CUI’s general purpose ac-dc power supply portfolio now ranging from 6 W to 300 W. Housed […]
Why lithium-ion batteries lose capacity over time
Researchers at the U.S. Dept. of Energy’s (DOE) Argonne National Laboratory say they’ve identified a major culprit in capacity fade of high-energy lithium-ion batteries. With the cause identified, the next step is to figure out ways of curing the fading problem. The capacity of a Li-ion battery is tied directly to how many lithium ions […]
Encapsulated ac/dc supplies deliver 24 V at 4 A
Powerbox has introduced a 100W encapsulated AC/DC power supply, ready for industrial systems integration. Aimed at compact industrial systems applications with limited space, Pthe ENI100 has a narrow width of 31.7mm and a length of 140mm making it easy to fit in even the smallest of places. The unit’s input voltage range is from 90 […]
Convection-cooled 250-W ac-dc power supplies handle limited airflow applications
Murata announces its new wide input range, single output PQC series of industrial/medical power supplies from Murata Power Solutions. Rated at 250 watts of output power in an industry-standard open frame 3 x 5 inch, 1U footprint, this high-efficiency design can deliver full power with free-air natural convection cooling up to 50°C. The PQC series […]
Batteries boost wireless connectivity to the IIoT
Self-powered electronic devices that define the Industrial Internet of Things (IIoT) have special needs that can be addressed through the judicious selection of battery chemistry. SOL JACOBS | TADIRAN BATTERIES Going ‘truly wireless’ typically necessitates the use of primary (non-rechargeable) or rechargeable lithium-ion (Li-ion) batteries. Besides untethering applications from ac lines, use of rechargeable batteries […]
Primary lithium manganese dioxide pouch cells boast high energy density
Ultralife Corporation, a global battery specialist, has strengthened its Thin Cell range of primary (non-rechargeable) lithium manganese dioxide (Li-MnO2) pouch-cell batteries. The higher energy density and slim form factor of Ultralife’s Thin Cell technology makes it ideal for use in the next generation of internet-connected and wearable devices in sectors including medical, banking, highways, logistics, […]
1200V rectifiers address critical design parameters of high-frequency systems
Central Semiconductor introduces the CSICD05-1200 (5A, 1200V) and CSICD10-1200 (10A, 1200V) Silicon Carbide Schottky rectifiers, featuring the true 2-lead DPAK-2L (TO-252-2L) package. Both devices are ideal for high-frequency systems where energy efficiency, low switching losses, and thermal performance are critical design parameters. Silicon Carbide provides a stable solution for a wide range of temperatures and […]
30/40-W external supplies comply with DoE Level VI, CoC Tier 2 Standards
The SDI30-U, SDI30-UD, SDI40-U, and SDI40-UD series external power supplies from CUI are all designed to meet the current average efficiency and no-load power requirements mandated by the US Dept. of Energy (DoE) under the Level VI standard. All models also meet the European Union’s (EU) proposed CoC Tier 2 directive, under review to become […]
AC-DC power supply for wide range of servers and networking applications.
Bel Power Solutions and BELFB announce the expansion of Bel Power Solutions front-end, AC-DC power supply portfolio to include the TET3000-12-069RA power supply suitable for a wide range of servers and networking applications. The TET3000 is a 3000 W Titanium efficient front-end AC-DC power supply that converts standard AC mains power into a main output […]