Through-hole, 1/32nd brick-footprint, non-isolated DC/DCs called the RPMA-4.5 and RPMA-8.0 carry 4.5-A and 8-A output ratings respectively. Each part has a wide 9-53-V input and trimmable, fully regulated output from 5-30 V (RPMA-4.5) or 3.3-16.5 V (RPMA-8.0). The cost-effective parts feature high efficiency, peaking at 98%, allowing fully-rated load operation to +60°C with convection cooling […]
Converters
GaN-based power converters sport 90% power efficiency in space-constrained communications satellites
The industry’s first single-stage, isolated dc-dc converters for high throughput satellite payloads provide spacecraft designers with the industry’s most efficient power conversion modules for enabling reprogrammable, software-defined payloads. Compared to conventional two-stage dc-dc converters, the CAES single-stage converters increase power efficiency from approximately 80% to more than 90% while simultaneously reducing size, weight and power […]
Buck/boost converter boasts super-low quiescent current, targets battery powered apps
Texas Instruments introduced a new bidirectional buck/boost converter with an ultra-low quiescent current (IQ) of 60 nA – one-third the IQ of competing boost converters. The TPS61094 buck/boost converter integrates a buck mode for supercapacitor charging while providing ultra-low IQ, enabling engineers to extend battery life by as much as 20% when compared to commonly used hybrid-layer […]
Buck-boost converter boasts ultra-low quiescent current of 60 nA
Texas Instruments introduced a new bidirectional buck/boost converter with an ultra-low quiescent current (IQ) of 60 nA – one-third the IQ of competing boost converters. The TPS61094 buck/boost converter integrates a buck mode for supercapacitor charging while providing ultra-low IQ, enabling engineers to extend battery life by as much as 20% when compared to commonly […]
Grid converter puts locally generated power on power grids
Siemens presents a new power conversion system for battery storage applications. The SINAMICS PCS grid converter makes locally generated batter power usable for industrial and public power grids. SINAMICS PCS controls the charging and discharging process of the battery and helps to handle load peaks and grid disturbances via the battery storage, to store the […]
Lightweight dc/dc converters target fuel cell applications
With its new DCHV320 DC-DC converter, BrightLoop Converters is aiming to provide the best off-the-shelf DC-DC conversion solution to fuel cell vehicles by focusing on extreme power density and versatility. In a Fuel Cell Electric Vehicle (FCEV), the fuel cell produces electricity to power the high-voltage batteries needed to run the electric motor. However, fuel […]
LED driver with 4.5-75-V input designed for auto/industrial/med apps
Taiwan Semiconductor announces the introduction of the TS19503 single-channel, continuous conduction, hysteretic mode converter for driving single or multiple LEDs. Featuring best-in-class 4.5-75V input and 2A output, the TS19503 offers up to 97% efficiency and 2% accuracy over a wide range of external conditions. AEC-Q100 qualification assures high reliability while the hysteretic (bang-bang) control technique […]
Reverse-boost converter. excels in high-efficiency light-load apps
EPC announces the availability of the EPC9162, a bi-directional buck or reverse-boost converter. This demonstration board features the 100 V EPC2052 for the synchronous converter and the EPC2038 in the synchronous bootstrap FET circuit. The EPC9162 is by default programmed as a boost converter operating at 12 V input to 60 V/50 W output. However, […]
Power bricks get an efficiency boost with GaN
The design of an LLC resonant converter illustrates how eGaN FETs can shrink the physical size of modern supply circuitry. Alex Lidow, Efficient Power Conversion Corp. The rapid expansion of computing and telecommunications has brought a migration to a 48 V-based power architecture. Applications for this higher-voltage architecture include artificial intelligence, 5G, big data, and […]
SOIC-16-sized DC/DC converters provide 3 kVdc/1 min isolation
New dc/dc converters in a SOIC-16 package feature 5-V (4.5-5.5 V) inputs and a semi-regulated 5-V output are rated at either 0.5 W (R05C05TE05S) or 1 W (R05CTE05S). Line and load regulation figures are specified across the full temperature range, and there is no minimum load requirement, making the parts ideal for applications that have […]