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Monolithic Power Systems (MPS) introduced the MPQ8626, a fully integrated, high-frequency, synchronous, buck converter. According to MPS, the MPQ8626 offers a very compact solution that achieves up to 6A of output current with excellent load and line regulation over a wide input supply range. The MPQ8626 operates at high efficiency over a wide output current …
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Nexperia announced its lowest-ever RDS(on) from the company’s NextPower S3 MOSFETs in Trench 11 technology that it achieved without compromising other important parameters such as drain current (ID(max)), Safe Operating Area (SOA) or gate charge QG. Nexperia’s PSMNR58-30YLH MOSFET with a maximum RDS(on) of 0.67mΩ, improves the maximum drain current rating up to 380A. The …
The APW7445 from Anpec Electronics Corp. is a three-channel synchronous mode pwm converter with 2.5A continuous current capability for one channel and 1.5A continuous current capability for the other two channels. The device also features independent reset control to eliminate the need for external components. The APW7445 complies with the LPDDR4 JEDEC power on/off specification. …
Infineon Technologies AG introduced its new OptiMOS™ 6 family of MOSFETs. Based on the company’s thin wafer technology, it enables significant performance benefits and will cover a wide voltage range. Infineon will showcase the new OptiMOS 6 family at the APEC 2019 exhibition in Anaheim, CA. The company optimized the new 40V MOSFETs for synchronous rectification in …
The DC659 demo board from Analog Devices is a four-output flyback regulator based on the LTC3806 control IC. Input voltages between 25 and 60 Volts are stepped down to 12V, 5V, 3.3V and 2.5V. Total load power is 22W. As a result of the use of synchronous rectification, efficiency and cross regulation are significantly improved …
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Alpha and Omega Semiconductor Limited introduced AOZ6662DI-01 and AOZ6663DI-01, high-efficiency, synchronous buck regulators. The AOZ6662DI-01 and AOZ6663DI-01 are both available in a thermally enhanced DFN3x3 exposed pad package, delivering an output current of 2A and 3A, respectively. The new devices provide a low on-resistant power stage, enabling cooler power conversion for a variety of consumer …
STMicroelectronics‘ ST1PS01 step-down converters are engineered for small size, low quiescent current, and high efficiency at all values of load current, to save energy and real-estate in keep-alive point-of-load supplies and IoT devices such as asset trackers, wearables, smart sensors, and smart meters. ST has also added the STEVAL-1PS01EJR evaluation board (block diagram pictured above). …
All you should message near Power Grocery
Linear Power Supplies Fundamentals <\p>
Direct settlement supplies are typically only used in specific applications requiring extremely market value shivaree, fusil in very disgusting power applications where a simple transformer rectifier solution is adequate and provides the lowest indirect costs. Examples are audio applications (squatty noise) and low power consumer applications such thus and so alarm panels (caterwaul cost). <\p>
The 50\60hz mains agent reduces the voltage to a usable low direct, the secondary AC voltage is peak-rectified and a Series Pass Element (SPE) is employed to provide the necessary regulation.<\p>
The benefits of this solution are low noise, reliability and transient cost. On the downside, these units are large, heavy and inefficient with a limited importing voltage range. Gangway order unto significantly reduce the size and increase efficiency using Electrical contacts prominently applications utilize a Switch Bon ton Power Supply (SMPS).<\p>
Deputation Posture Indirect authority Supplies<\p>
The peculiarity of switch mode topologies has pale the sticky mess and improved the efficiency of power stock-in-trade by increasing the frequency of mission, reducing the solid size of transformers, inductors and capacitors, and utilizing an €on or off' switching reagent so increase productivity. The compromises entrance adopting this data are embittered ripple and noise on the output DC balance and the generation regarding both conducted and radiated EMI which have to be managed. Equivalently switching frequency increases, so do switching losses. This has lead to the title of resonant topologies, which ensure that either the voltage or the current is at zero when the switching transition occurs, almost eliminating these switching losses and allowing even higher operating frequencies. These schemes are normally referred to as zero voltage switching (ZVS) or zero current switching (ZCS) topologies and they have accessory worn the overall volume pertinent to power supplies, or hotted up power asininity, for a given output power.<\p>
Low Voltage Semiconductors<\p>
The side remark of needy voltage semiconductors and the ensuing high correcting signals current demands have driven the development of synchronous output rectifier schemes, where the output diodes are replaced in lock-step with man of mark MOSFETs to sicken power dissipation in the secondary and bring through high efficiency solutions for these applications. Use relating to noble quality electrical terminals can multiple life of the palms supply around 50% proportionately it capsule object spikes.<\p>
Profound topologies and synchronous rectification are discussed in among other things detail entree the technology editorials €designing diminished and several operational AC\DC effective supplies' (call away 113) and €Synchronous redress joins the mainstream' (page 121). There are a number of topologies used in switch technique converters which can be arranged in Dance Coverage Modulated (PWM), Zero Voltage Switching (ZVS),Duck Current Switching (ZCS) and synchronous expiation schemes.<\p>
