Data Centers

March 2022
Module Lifetime Estimation Tool
Estimating the useable lifetime of electronic components has always been an important task for design engineers, especially for critical applications where the design might see service for several decades. Although manufacturers do specify a lifetime on datasheets, that is under ideal conditions at normal operati
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Date:
03/30/2022
DC/DC converter with integrated Supercap UPS buffering
The compact DC2412-UPSP2 with 16-32VDC wide-range input and 12V/5A output combines the functions of a powerful DC/DC converter and an uninterruptible DC power supply (UPS) in an innovative way. Fast-charging and absolutely maintenance-free Supercaps (3x 480F) with more than 500,000 charging and discharging cycles
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Date:
03/28/2022
New variants for popular BMR491 quarter-brick DC/DC range
Power ratings now available are 1400 W continuous / 2400 W peak (BMR4912307/856), and 1540 W continuous / 2450 W peak (BMR4913208/857).   The new variants all feature the Flex Power Modules’ ‘Hybrid Regulated Ratio (HRR)’ technique where output voltages vary in a ratio to the input voltage but not
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Date:
03/28/2022
Electrothermal models cover MOSFET operating temperature range
Semiconductor manufacturers commonly provide simulation models for their MOSFETs, but these usually only include a limited number of device parameters which have been modelled at typical operating temperatures. Nexperia’s new advanced models capture the thermal interdependency of the complete set of device pa
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Date:
03/28/2022
 50W GaN converter enables high-efficiency power designs
With its single-switch topology and high integration, including current-sensing and protection circuitry also built-in, the VIPerGaN50 comes in a compact and low-cost 5mm x 6mm package. The speed of the integrated GaN transistor allows a high switching frequency with a small and lightweight flyback transformer
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Date:
03/28/2022
 60V, 70dB PSRR LDOs Deliver Industry-Leading Quiescent Current
The DIODES AP7387 devices are used in applications such as cordless vacuum cleaners, smoke detectors, power tools, and various other household appliances.   The devices have an input voltage range spanning from 5V to 60V, which gives them the flexibility to be connected to 5V, 9V, 12V, 24V, and 48V rai
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Date:
03/28/2022
ROHM starts production of 150V GaN HEMTs
The components will ideally be applied in power supply circuits for industrial equipment such as base stations and data centers along with IoT communication devices.   In recent years – due to the rising demand for server systems in response to the growing number of IoT devices – improving powe
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Date:
03/28/2022
High-Efficiency Quasi-Resonant PFC IC with 750 V GaN Switch
Power Integrations announced the HiperPFS™-5 family of power-factor-correction (PFC) ICs with an integrated 750 V PowiGaN gallium-nitride switch. With efficiency of up to 98.3 percent, the new ICs deliver up to 240 W without a heat sink and can achieve a power factor of better than 0.98. HiperPFS-5 ICs are i
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Date:
03/28/2022
10W and 15W units added to low profile open frame power supplies
Benefiting from the latest power switching technologies, the LHA10F and LHA15F are 15% smaller and offer a leakage current 50% lower than conventional products on the market. Designed for use in a wide range of applications, the LHA10F and LHA15F are able to operate in a wide temperature range from -10 to +70 degr
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Date:
03/28/2022
Navitas Announces World’s First 20-Year Warranty for GaN ICs
Navitas Semiconductor has announced a breakthrough 20-year limited warranty for its GaNFast technology – 10x longer than typical silicon, SiC or discrete GaN power semiconductors – and a critical accelerator for GaN’s adoption in data center, solar and EV markets.   GaN is a next-generation semiconductor te
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Date:
03/28/2022
650 V MOSFETs in D²PAK for low losses and high reliability
The devices build on Infineon’s state-of-the-art SiC trench technology and come in a compact D 2PAK SMD 7-pin package with .XT interconnection technology. They target high power applications including servers, telecom, industrial SMPS, fast EV charging, motor drives, solar energy systems, energy storage, and batter
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Date:
03/28/2022
Infineon releases new EiceDRIVER 2EDN product family
Aiming at space-limited designs, the next-generation devices complement the existing 2EDN driver ICs by providing higher system-level efficiencies, excellent power density, and consistent system robustness with fewer external components. Building upon this expansion, the 2EDN family is now able to drive the power s
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Date:
03/28/2022
Infineon is launching EDT2 IGBTs in a TO247PLUS package
The devices are optimized for automotive discrete traction inverters and expand Infineon's portfolio of discrete high-voltage devices for automotive applications. Due to their high quality, the IGBTs meet and exceed the industry standard AECQ101 for automotive components. As a result, the devices can significantly increa
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Date:
03/28/2022
SiTime Transforms Precision Timing Market for Edge Networks
SiTime Corporation introduced the Elite X Super-TCXO for edge networks such as data centers, 5G front haul, connected cars and industrial IoT. In these applications, Elite X solves critical timing problems and enables delivery of new services.  To enable new time-sensitive services such as ADAS,
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Date:
03/15/2022
600V 110mOhm and 140mOhm Super Junction MOSFETs in DFN8x8 Package
Alpha and Omega Semiconductor Limited (AOS) announced the release of 600V 110mOhm and 140mOhm αMOS5 Super Junction MOSFETs in DFN8x8 Package. αMOS5 is AOS’s latest generation of high voltage MOSFET, designed to meet the high efficiency and high-density needs for Quick Charger, Adapter, PC Power, Server, In
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Date:
03/11/2022
Highest-Performance 16-Channel PCIe Gen 5 Enterprise NVMe SSD Controller
As data processing requirements continue to evolve, cloud-scale infrastructure requires solutions that maximize bandwidth, minimize latency, and are optimized for efficient resource utilization. Microchip Technology Inc. announced the newest member of the Flashtec controller family, the NVMe 4016 SS
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Date:
03/02/2022
Using Distributed 48 V Instead of 12 V in Datacenters

Click image to enlarge

Figure 1: Early datacenters used distributed AC for each shelf in a rack

The measure of datacenter energy efficiency is ‘Power Usage Effectiveness’ or PUE, and the best ‘hyperscale’ installations achieve a figure of about 1.1, or 100 W lost in cooling, distribution and power conversion for every kW used by the IT equipment. As best practices trickle down to smaller datacenters, th
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Date:
03/01/2022