On-board chargers are typically integrated into the vehicle’s powertrain and require transformers to convert the AC power from external charging stations or home charging units, into the DC power needed to charge the vehicle’s battery. Premo has developed an efficient triple 3.6 KW LLC (suited for 400V Input) set with a transformer and resonance inductor […]
Development Tools
100 kHz reference inverter is 98.5% efficient at 5% load
Pre-Switch, Inc. has announced new data proving the efficiency of the company’s architecture at low load as well as a full load. Tests performed on Pre-Switch’s CleanWave2 reference inverter at 100kHz switching speed show the system is 98.5% efficient at 5% load. Peak efficiency is 99.57%. Pre-Switch eliminates switching losses, enabling 10X higher switching frequencies, […]
Supercapacitor delivers 1,000 hours at 85°C/85% RH-rated voltage
KEMET announces its new high-performance supercapacitor for automotive electronics, FMU Series. This series delivers 1,000 hours at 85°C/85% RH-rated voltage and is industry-leading in the market with operational temperatures ranging from -40°C to 105°C. These supercapacitors are qualified for an automotive testing protocol. These capacitors are manufactured in an ISO TS 16949-certified plant and are […]
GaN converters targets SMPS
STMicroelectronics has extended its high-voltage wide-bandgap power converter family by adding the VIPerGaN100 and VIPerGaN65 for single-switch quasi-resonant (QR) flyback converters up to 100W and 65W. The compact and highly integrated design targets switched-mode power supplies (SMPS) for USB-PD chargers, home appliances, smart-building controllers, lighting, air conditioning, smart metering, and other industrial applications. Each device integrates a pulse-width […]
1200 V IGBTs for high-power infrastructure applications
onsemi announced a new range of ultra-efficient 1200 V insulated-gate bipolar transistors (IGBTs) that minimize conduction and switching losses at a performance level that is industry-leading in the market. Intended to enhance efficiency in fast switching applications, the new devices will be primarily used in energy infrastructure applications like solar inverters, uninterruptible power supplies (UPS), […]
Power-supply chokes handle 32 A to 83 A
TDK Corporation presents the B82559A*A033 series of new shielded EPCOS ERU33 high-current chokes for through-hole mounting. Designed for very high saturation currents from 32 A to 83 A at 100 °C, the six new types cover a range of inductance values from 3.2 µH to 10 µH. DC resistances are as low as 0.85 mΩ […]
700 W digital, quarter-brick, dc-dc converter achieves 96 percent efficiency at full load
Flex Power Modules will be showing their new 700 W digital quarter brick DC/DC converter at embedded world 2023 in Nuremburg, Germany, March 14-16. The through-hole mounted BMR684 is targeted at RFPA applications needing a 50 V supply at up to 14 A for gallium nitride (GaN) or laterally diffused MOSFET (LDMOS) power amplifiers, and […]
Multi-port fast charger reference design now includes 65W 1C1A option
Silanna Semiconductor has unveiled the latest addition to its family of AnyPort fully integrated reference designs that provide everything an engineer needs to prototype and test fully functional multi-port fast charger applications rapidly. Built around Silanna’s CO2 Smart Power advanced AC/DC controller and high-frequency DC/DC converter technology and featuring a super junction FET, the RD-35 […]
eFuses protect circuits from voltage, current, and shorts
Littelfuse, Inc. announced the latest release of four versatile circuit protection devices in the eFuse Protection ICs product line. The latest eFuse Protection ICs utilize an innovative design ideal for a wide range of power inputs (3.3V to 28V) with highly integrated protection. These semiconductor-based electronic fuses provide robust overvoltage, overcurrent, short circuit, and inrush […]
Planar transformers pump out up to 70 W for DC-DC converters
Bourns, Inc. introduced its Model PLN0xx-ED21 Series Planar Transformers with the advanced features needed to meet today’s high frequency, smaller space power conversion application requirements. These forward converter transformers are designed to deliver outstanding high volumetric power density, low loss, and exceptional efficiency in a compact, low-height profile design. Bourns Model PLN0xx-ED21 Series Planar Transformers also are […]