A series of new reference designs featuring a 1700 V-rated silicon carbide (SiC) integrated flyback switcher IC for use in electric vehicles operating at 800 V has been developed. These designs address multiple auxiliary power requirements, including DC-DC bus conversion, emergency power for inverters, battery management systems, and other auxiliary loads. Output power levels range […]
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Design World presents the 2024 LEAP Awards Winners: Power Electronics
In its seventh year, Design World’s LEAP Awards showcase the best engineering innovations across several design categories. This wouldn’t be possible without the commitment and support of the engineering community. The editorial team assembles OEM design engineers and academics each year to create an independent judging panel. Below is their selection for this year’s LEAP […]
Switcher IC cuts need for second regulator, reducing board space
InnoMux2-EP switcher ICs for multi-output flyack power supplies eliminate the need for DC-DC post-regulators. A new design example report, DER-716, demonstrates the high level of integration realized by InnoMux2-EP devices. The single-stage power converter design is suitable for appliances and industrial power supplies. It features three constant voltage outputs (5 V, 12 V & 24 […]
Hardware, software bundle boosts BLDC motor efficiency
Power Integrations enhanced its hardware-software bundle for brushless DC motors (BLDC) with BridgeSwitch-2, a new high-voltage integrated half-bridge (IHB) motor-driver IC family targeting applications up to 1 HP (746 W). The new ICs, which feature high- and low-side drivers and advanced FREDFETs with integrated lossless current sensing, deliver inverter efficiency of up to 99 percent. The IHB […]
Dual-channel gate drivers offer thermal management for inverter modules
Power Integrations has announced the launch of the SCALE-iFlex XLT family of dual-channel plug-and-play gate drivers. These drivers are designed for the operation of single LV100 (Mitsubishi), XHP 2 (Infineon), HPnC (Fuji Electric), and equivalent semiconductor modules up to 2300 V blocking voltage. The new gate drivers are suitable for wind, energy storage, and solar […]
APEC 2024: Semiconductors, modules, transformers, and chargers
Power supplies from phone chargers to EVs to industrial machinery rely on semiconductors, either in discrete packages or integrated into power modules, to deliver power. APEC 2024 was full of power sources and components. The roundup below highlights regulators, switches, and power semiconductors. We also highlight wireless power delivery and chargers. Be sure to see […]
Offline flyback IC incorporates zero-voltage switching topology
Power Integrations announced the release of theInnoSwitch5-Pro family of high-efficiency, programmable flyback switcher ICs. The single-chip switcher achieves over 95 percent efficiency with a novel secondary-side control scheme which achieves zero-voltage switching (ZVS) without a dedicated and costly additional high voltage switch. The new IC, which features a 750 V or a 900 V PowiGaN primary […]
GaN switcher IC delivers up to 85 W without heatsink
Power Integrations has released the world’s highest-voltage, single-switch gallium-nitride (GaN) power supply IC, featuring a 1250-volt PowiGaN switch. The new device significantly reduces switching losses to less than a third compared to equivalent silicon devices, achieving power conversion efficiency as high as 93% and delivering up to 85 W without the need for a heatsink. […]
CV/CC QR flyback switcher ICs now available in 1250 V GaN versions
Power Integrations released the world’s highest-voltage, single-switch gallium-nitride (GaN) power supply IC, featuring a 1250-volt PowiGaN switch. InnoSwitch3-EP 1250 V ICs are the newest members of Power Integrations’ InnoSwitch family of off-line CV/CC QR flyback switcher ICs, which feature synchronous rectification, FluxLink safety-isolated feedback and an array of switch options: 725 V silicon, 1700 V […]
Flyback switcher IC for small open-frame power supplies
Power Integrations announced the LinkSwitch-XT2SR family of off-line, constant-voltage (CV), non-isolated flyback switcher ICs. The new devices feature exceptionally high efficiency of up to 90 percent for small open-frame power supplies. With no-load consumption below 5 mW, LinkSwitch-XT2SR ICs easily surpass the requirements of the European Union’s Energy-Related Products (ErP) Directive for standby power […]
