Power
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Selecting the Right Control Topology for SMPS Circuits – Voltage Control Mode, Current Control Mode, and Ripple Control Mode Nowadays, Switching Mode Power Supply or SMPS is used in nearly all electronic devices. That's why as an electronic engineer, it becomes important to understand the concept of voltage mode power supply and current mode power supply and the use cases in a practical scenario. Voltage mode and current mode supplies are simply the two regulating condition that… |
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42-V Synchronous Buck DC/DC Controllers to Miniaturize Low-EMI Power Supply Size in Automotive Applications The new DC/DC buck converters, LM25149-Q1 and LM25149 from Texas Instruments are designed with an integrated active EMI filter to enable engineers to achieve the smallest low-EMI power designs. With the help of these buck converters, designers can reduce the area of the external EMI filter by half, lower the conducted EMI of the power design by as much as 55 dBµV across… |
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Synchronous Step-Down Converters with Low Quiescent Current to Simplify Power-Supply Design Extending the family of high-efficiency converters that simplify power-supply design, STMicroelectronics has introduced integrated 1.5A L6981 synchronous step-down regulators. Simplify high-efficiency power conversion; these regulators deliver 90% typical efficiency at full load. Available in two variants, the L6981 synchronous step-down converters… |
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42V Synchronous Buck Pre-Regulator and Safe Seven-Channel PMIC to Reduce Power Loss, System Cost, and Design Time Renesas’s RAA271050 synchronous buck pre-regulator and RAA271000 safe seven-channel PMIC together can reduce power loss, system cost, and design time in systems based on the R-Car V3H system-on-chip (SoC) for advanced driver assistance systems (ADAS) automotive front cameras and driver monitor cameras. 42V RAA271050 synchronous buck pre-regulator… |
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Galvanically Isolated Sigma-Delta Modulators to Boost Accuracy and Reliability in Industrial Applications STMicroelectronics has released two galvanic isolated Sigma-Delta modulators, ISOSD61 and ISOSD61L for delivering enhanced performance and reliability in motor control, electric-vehicle charging stations, solar inverters, UPS, and server and telecom power supplies, and other industrial applications. While the ISOSD61 modulator has TTL/CMOS-compatible clock-input and data-… |
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New 60V Inverting Step-down DC-DC Converters to Reduce Board Space and Minimize Energy Usage in IoT Devices Maxim Integrated has released new 60V inverting DC-DC converters, MAX17577 and MAX17578 with integrated level shifters, to save up to 72% of board space by reducing the component count by half while using 35% less energy than the closest competitive solutions. Both the ICs reduce size, heat, and cost while simplifying the design of negative output voltage rails… |
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Simple MOSFET Switching Circuit – How to turn on / turn off N-Channel and P-channel MOSFETs A MOSFET is a type of transistor that uses an electric field to control current flow, and is widely used in switching and amplification circuits. MOSFET stands for Metal Oxide Semiconductor Field Effect Transistor, which has a gate. For simplicity, you can imagine this gate like a water tap. You rotate the tap counter-clockwise the water starts flowing out of the tap.… |
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8V to 24V output, 300W i7C Series of Non-Isolated Buck-Boost DC-DC Converters for Battery-Powered Equipment TDK Corporation has introduced the 20A 300W rated models to the TDK Lambda brand i7C series of non-isolated DC-DC converters with 8 to 24V adjustable output voltage. The new step-up and step-down converters are optimized to operate from a wide input voltage of 9 to 36V. The converters seamlessly transition from buck to boost mode operation without disruption in… |
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Galvanically Isolated 4A Gate Driver for Safe Control of Silicon Carbide (SiC) MOSFETs STGAP2SiCS from STMicroelectronics is a highly optimized galvanically isolated gate driver that operates from a high-voltage rail up to 1200V and ensures safe control of Silicon Carbide (SiC) MOSFETs. Housed in a wide-body SO-8W package that ensures 8mm creepage within a compact footprint, the STGAP2SiCS is loaded with smart features. The… |
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What is Beyond Lithium-ion Batteries for Electric Vehicles – Scalable and Potential Alternatives for Clean Energy With the ever-increasing consumption of fossil fuels, the governments of various countries are taking steps towards the electrification of vehicles. Last year, the Government of the UK said that it would ban the sales of new cars and vans powered by diesel and petrol by 2030. Despite efforts being made for the decisive shift away from the internal combustion engine what… |
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Efficient Power ICs with Low Quiescent Current to Extend Battery Life for Consumer, Industrial, Healthcare and IoT Applications Maxim Integrated Products has introduced essential analog efficient power ICs, MAX17227A 2A nanoPower boost converter, MAX17291 high voltage 1A boost converter, and MAX38911 500mA LDO to enable designers to extend battery life and reduce solution size of consumer, industrial, healthcare, and IoT systems besides improving the efficiency. These new ICs offer… |
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650V Super Junction Power MOSFETs in TOLL (TO-leadless) Package to Improve Efficiency of High Current Equipment Toshiba has released five new 650V super-junction power MOSFETs TK065U65Z, TK090U65Z, TK110U65Z, TK155U65Z, and TK190U65Z in the TOLL (TO-leadless) package for equipment downsizing and improved efficiency. These new MOSFETs that have joined the DTMOSVI series measure 9.9 x 11.68 x 2.3mm and have a 27% smaller footprint than the conventional D2PAK. … |
