High-frequency, zero-voltage flyback switching (ZVS) ICs built with GaN technology enable a new class of ultra-compact chargers and have won a 2021 Leap Award in power electronics for chip creator Power Integrations Inc. based in San Jose, Calif. LEAP Awards honor innovative products across 12 categories. More than 100 entrants were received for the annual […]
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Flyback switcher ICs carry built-In USB PD controller
Power Integrations announced the InnoSwitch3-PD family of ICs, the industry’s most highly integrated solution for USB Type-C, USB Power Delivery (PD), and USB Programmable Power Supply (PPS) adapters. This compact InSOP-24D-packaged IC includes a USB-C and PD controller, a high-voltage PowiGaN switch, a multi-mode quasi-resonant flyback controller, secondary-side sensing, FluxLink isolated digital feedback, and a […]
Plug-and-play gate drivers handle 3.3-kV IGBT modules
Power Integrations announced SCALE-iFlex Single gate-drivers for the popular “New Dual” 100 mm x 140 mm IGBT modules. The compact new drivers support modules up to 3.3 kV and are available now for design-in. The SCALE-iFlex Single gate-drivers are ideal for light-rail, renewable energy generation, and other high-reliability applications that demand compact, rugged driver solutions. […]
ZVS flyback supplies enable ultra-compact chargers for phones, tablets, laptops
Power Integrations’ new InnoSwitch4-CZ IC is a high-frequency, zero voltage switching (ZVS) flyback switcher which enables a new class of ultra-compact chargers for phones, tablets, and laptops up to 110 W. Anker, the global charging expert for mobile devices, has incorporated the InnoSwitch4-CZ in its new Nano II series of USB PD chargers. With the […]
PFC controller IC carries integrated reverse-recovery charge-boost diode
The HiperPFS-4 power factor correction (PFC) controller IC is now available with an integrated Qspeed low reverse recovery charge (Qrr) boost diode. This highly integrated solution delivers greater than 98% full-load efficiency in PCs, TVs, and similar applications between 75 W and 400 W. The new HiperPFS-4 IC combines continuous conduction mode (CCM) PFC control […]
High frequency, ZVS flyback switcher ICs target phone/laptop/tablet charging
Power Integrations announced the InnoSwitch4-CZ family of high frequency, zero voltage switching (ZVS) flyback switcher ICs. InnoSwitch4-CZ devices incorporate a robust 750 V primary switch using Power Integrations’ PowiGaN technology and a novel high-frequency active clamp flyback controller to facilitate a new class of ultra-compact chargers suitable for phones, tablets, and laptops. The first consumer devices based […]
IGBT gate drivers target railway applications
A new gate driver from Power Integrations is designed to integrate into demanding railway applications that require devices capable of withstanding harsh conditions, have high levels of integrations, comprehensive protection features, and a life expectancy of 20 to 30 years. The SCALE-2 gate driver for 130 x 140 mm single IGBT high-power (IHM) modules, commonly […]
Power Factor Correction IC targets PC and TV power supply applications
Power Integrations, today announced that its HiperPFS-4 power factor correction (PFC) controller IC is now available with an integrated Qspeed low reverse recovery charge (Qrr) boost diode. This combination delivers greater than 98% full-load efficiency in PC, TV, and similar applications between 75 W and 400 W. Comments Power Integrations’ product marketing manager Edward Ong: […]
High-power offline buck converter ICs target mass-market appliances
Power Integrations announced a new member of its acclaimed LinkSwitch-TN2 AC-DC converter family. The new LNK3207 ICs facilitate higher-power offline buck converter designs for appliances and industrial applications by increasing the available output current from 360 mA to 575 mA, while also reducing BOM count. The LNK3207 AC-DC converter ICs increase the available current by 60% while also delivering […]
Tiny ICs minimize electrolytic capacitors, reducing volume of power supply by up to 40 percent
Designing the fast-charging, small adapters consumers are expecting today poses a not unfamiliar challenge to the designers of those devices. How do you deliver loads of power safely and efficiently when the increased component count and complexity of providing sophisticated charging control means a larger adapter? Even a more efficient circuit design requires new ways […]
