The demands of AI computing are driving data center power architectures toward higher efficiency and power density. The capabilities of 1250 V and 1700 V PowiGaN gallium-nitride (GaN) technology for next-generation power architectures are explained in this new white paper from Power Integrations (PI).
During PCIM Asia 2025 in Shanghai, Han Cui gave a poster presentation showcasing a 60W single-stage flyback converter designed for a 90–670 VAC input, utilizing a 1700V GaN switch with adaptive Zero Voltage Switching (ZVS).
During PCIM Europe 2025 in Nuremberg, Mark Gerald Manango gave a poster presentation showcasing a 140 W USB PD 3.1 notebook adapter that achieves high efficiency across the load range. Our InnoSwitch5-Pro digitally controllable switcher ICs achieve Zero-Voltage Switching without a dedicated and costly additional high-voltage switch.
The HiperPFS-5 family of integrated PFC ICs features a 750-V PowiGaN switch for high efficiency across the load range. It offers an elegant solution to keep the power factor high during low load. PI Director of Technical Outreach Andy Smith explains how it works in this new article.
EE Times turned 50 last year and has reported on innovation in all electronics fields throughout its history. In the world of analog and power electronics, Power Integrations has been a key innovator since its inception in 1988. Power Electronics News spoke with CEO Balu Balakrishnan about his experience and vision.
HiperPFS-5 ICs are the first use of PowiGaN power switches in Power Factor Correction (PFC) to minimize conduction losses, delivering greater than 98% efficiency at 240 W. This new article by PI Director of Technical Outreach Andy Smith explains the variable-frequency discontinuous-conduction–mode (DCM) techniques used in the HiperPFS-5 devices to
Self-powered BridgeSwitch half-bridge motor driver ICs dramatically simplify the development of high-voltage single- or multi-phase BLDC motor drives.
The pressure on the designer is relentless - develop ever-smaller chargers and adapters that deliver full USB-C Power Delivery (PD), Programmable Power Supply (PPS) functionality, and faster charging times for smartphones, tablets, notebooks and other portable devices. Keys to designing smaller chargers and adapters include reducing component count and maximizing
This article briefly reviews the need for a primary clamp circuit in flyback power supplies. It then compares and contrasts the use of passive clamping with complementary and non-complementary active clamping solutions and introduces a chipset that enables the use of non-complementary clamping solutions and the design of super-dense flyback
This article briefly reviews the physics behind magnetizing interference in flyback power supplies and presents an anti-magnetizing interference dual-output isolated flyback power supply design. It closes with a discussion of testing and a performance comparison between an anti-magnetizing interference power supply and a conventional design.
New power semiconductors for high density applications require gate driver technologies that support higher working voltages and are reliable across an extended temperature range. The package must also meet international standards for creepage and clearance. This paper presents an innovative communication and isolation technology, integrated in a new industrial package
High performance motor drives commonly use field-oriented control (FOC) since it offers smooth and efficient operation throughout the entire speed range. BridgeSwitch offers a unique function by providing a small signal output that is an instantaneous representation of the positive phase current. This function can eliminate commonly used discrete current
During PCIM Europe 2025 in Nuremberg, Trung Huynh gave a poster presentation about optimizing efficiency across input line and load. Our new TinySwitch-5 flyback switcher ICs feature an advanced control engine which seamlessly manages switching frequency and power delivery to maximize efficiency, even at light loads.
PI power devices integrate a high-voltage switch and provide internal isolation. This enables the design of compact power supplies that meet safety requirements of demanding applications like EVs.
BridgeSwitch allows building compact, high-voltage brushless DC motors drives without having to use a physical heatsink. This document discusses techniques for optimizing the PCB layout, including device arrangement, inter device distance, and copper clad area, all of which play an important role in the thermal performance of the device.
InnoMux, a new flyback control technology with multiple independently regulated outputs is eliminating DC-DC converters in certain applications.
This is the AEC-Q100 qualification report for InnoSwitch3-AQ switcher ICs INN3947CQ & INN3949CQ
During PCIM Asia 2025 in Shanghai, Han Cui gave a poster presentation showcasing open-frame charger designs that proves when selectively enhanced, flyback topologies can effectively replace resonant converters in mid-power applications up to 400 W, offering a practical balance between performance and cost.
This is the AEC-Q100 qualification report for LinkSwitch-TN2Q switcher IC LNK3206GQ.
This is the AEC-Q100 qualification report for LinkSwitch-TN2Q switcher IC LNK3209GQ.
The efficiency and size benefits of SiC devices have been enthusiastically embraced by designers of industrial, automotive, traction systems and photovoltaic power conversion. To provide more detail, the lower sheet resistance of wide-bandgap SiC materials (typically 1/100th that of conventional silicon) results in smaller devices for a given current capacity—valuable
During PCIM Europe 2025 in Nuremberg, Juan Paolo Quismundo gave a oral presentation on how to maximize available power to display, controls and communications functions for appliances needing to comply with increasingly stringent standby energy regulations. Our BridgeSwitch motor driver ICs, combined with the MotorXpert software suite, allow sleep-mode power
During PCIM Europe 2025 in Nuremberg, Adrian Umadhay gave a poster presentation about modeling frequency response to maximize performance.
During PCIM Europe 2025 in Nuremberg, Thomas Anthony Capobianco gave a poster presentation introducing a multi-output flyback design for meters that can protect against magnetic interference. With a low-RDS (ON), 900 V MOSFET, our LinkSwitch-XT2 switcher ICs improves efficiency at full-load, maintains efficiency at light-load and resists magnetic tampering.
During PCIM Europe 2025 in Nuremberg, Han Cui gave a poster presentation about replacing SiC switches with 1700 V GaN devices in high-input voltage industrial applications. The world's first 1700 V GaN switch is now available in a new member of the InnoMux-2 flyback switcher IC family. In less than two years, Power Integrations has delivered three voltage-rating breakthroughs with its #PowiGaN technology, from 900 V to 1250 V, and now 1700 V.
Integrating current sensing into the low-side switch enhances system efficiency and simplifies predictive maintenance for three-phase motors.
In July 2019, Power Integrations announced new members of its InnoSwitch™3 families of offline CV/CC flyback switcher ICs. The new ICs feature up to 95% efficiency across the full load range and up to 100 W in enclosed adapter implementations without requiring a heatsink.
The InnoMux-2 switcher IC family is a revolutionary single-stage flyback solution for multi-output power supplies. It improves efficiency and accurately regulates all outputs.
This is the AEC-Q101 Qualification Report for Qspeed diode QH12TZ600Q .
This is the AEC-Q101 Qualification Report for Qspeed diodes LQ10N200CQ and LQ20N200CQ.
PI's industry-first 1250 V GaN-based switcher ICs allow significant transient overvoltage capability, which is crucial to EV and industrial applications that require high voltage and high reliability.
Edward Ong, product marketing manager at Power Integrations, explains how to reduce idle losses while meeting the latest safety requirements in IEC 62368-1 using Power Integrations’ CAPZero-2 IC.
Household appliances incorporating motors need to comply with specific requirements defined by international safety standards. The unique features of the integrated half-bridge architecture of BridgeSwitch enable it to perform as a protective device protecting the motor during abnormal operation conditions without having to rely on software for controlling the fault
During PCIM Europe 2025 in Nuremberg, John Emmanuel Tan gave a poster presentation introducing a single-phase BLDC motor design for external fan applications. Our BridgeSwitch motor driver ICs, combined with the MotorXpert software suite, support a power range of 30 W to 746 W (1 HP) and deliver inverter efficiency up to 99%.
During PCIM Europe 2025 in Nuremberg, Juan Paolo Quismundo gave a poster presentation on how to enable field-oriented control (FOC) without shunts and sensing circuits. Our BridgeSwitch motor driver ICs, combined with the MotorXpert software suite, support a power range of 30 W to 746 W (1 HP) and deliver inverter efficiency up to 99%.
