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Added value distributor and development

GaN AC-DC Power Converter

Our official sales partner: Dongke Semiconductor

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Dongke is a leading manufacturer of high-frequency and high-efficiency power supply ICs, synchronous rectifiers and innovative solutions for power electronics.
Through this partnership, we can offer our customers access to a wide range of state-of-the-art technologies and products - from synchronous rectifiers for efficient energy conversion to customized solutions for industrial applications and consumer electronics.

Product range of our GaN AC-DC converters

Our GaN IC product range includes high-performance and energy-efficient solutions for modern applications in power electronics. From high-frequency circuits to efficient voltage converters, our ICs offer decisive advantages such as higher switching speeds, more compact designs and reduced energy losses.

Thanks to our close collaboration with Dongke Semiconductor, we provide innovative technologies that are specifically optimized for applications in Industry 4.0, electric vehicles, fast chargers and telecommunication systems.

Detailed technical specifications and data sheets can be found in the tables below.

GaN AC-DC converter

TopologyQR-LOCK, ACF, AHB
GaN FET BV700V
GaN FET RDSON160-2200mΩ
HV StartY
Standby power<50mW
fmax250-800KHz, 1MHz
VDD area-0.3~30V, -0.3~60V, -0.3~26V, -0.3~27V
X-cap dischargeAdaptive, Y, N, Adaptive Y
Brown in/outY
PackagePDFN5*6, PDFN5*6;DFN8*8, DFN8*8, ESOP7
Output power12-180W

GaN AC-DC converters for industrial applications

GaN ICs for Industry 4.0

  • Energy-efficient: Minimal energy loss.
  • Versatile: Use in chargers, electric cars, 5G.
  • Versatile in use
  • Quality through strong partnership

GaN AC-DC converter

GaN AC-DC converter
Product numberTopologyGaN FET BVGaN FET RDSONHV StartStandby powerfmaxVDD areaX-cap dischargeBrown in/outPackageOutput powerDownload data sheet
DK012GQR-LOCK700V2200mΩY<50mW250KHz-0.3~30VAdaptiveYPDFN5*612W
DK020GQR-LOCK700V1200mΩY<50mW250KHz-0.3~30VAdaptiveYPDFN5*620W
DK025GQR-LOCK700V800mΩY<50mW250KHz-0.3~30VAdaptiveYPDFN5*625W
DK035GQR-LOCK700V600mΩY<50mW250KHz-0.3~30VAdaptiveYPDFN5*636W
DK045GQR-LOCK700V400mΩY<50mW250KHz-0.3~30VYYPDFN5*6;DFN8*845W
DK065GQR-LOCK700V260mΩY<50mW250KHz-0.3~30VYYDFN8*865W
DK075GQR-LOCK700V160mΩY<50mW250KHz-0.3~30VYYDFN8*875W
DK8012APQR-LOCK700V2200mΩY<50mW250KHz-0.3~60VNYESOP712W
DK8020APQR-LOCK700V1200mΩY<50mW250KHz-0.3~60VNYESOP720W
DK8025APQR-LOCK700V800mΩY<50mW250KHz-0.3~60VNYESOP725W
DK8035APQR-LOCK700V600mΩY<50mW250KHz-0.3~60VNYESOP735W
DK8045ANQR-LOCK700V400mΩY<50mW250KHz-0.3~60VAdaptive YYPDFN5*645W
DK8065ADQR-LOCK700V260mΩY<50mW250KHz-0.3~60VAdaptive YYDFN8*865W
DK8075ADQR-LOCK700V160mΩY<50mW250KHz-0.3~60VAdaptive YYDFN8*875W
DK8607ADACFHS 700V+LS 700VHS 400mΩ+LS 260mΩY<50mW1MHz-0.3~26VYYDFN8*865W
DK8612ADACFHS 700V+LS 700VHS 400mΩ+LS 260mΩY<50mW1MHz-0.3~26VYYDFN8*8120W
DK8710ADAHBHS 700V+LS 700VHS 480mΩ+LS 480mΩY<50mW800KHz-0.3~27VYYDFN8*8100W
DK8712ADAHBHS 700V+LS 700VHS 350mΩ+LS 350mΩY<50mW800KHz-0.3~27VYYDFN8*8120W
DK8715ADAHBHS 700V+LS 700VHS 260mΩ+LS 260mΩY<50mW800KHz-0.3~27VYYDFN8*8150W
DK8718ADAHBHS 700V+LS 700VHS 150mΩ+LS 150mΩY<50mW800KHz-0.3~27VYYDFN8*8180W
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GaN AC-DC Power Converter
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GaN ICs: The future of power electronics and sustainable energy supply

In recent years, gallium nitride (GaN) has established itself as a key material for innovative and high-performance electronic components. GaN ICs (integrated circuits based on gallium nitride) offer significant advantages over conventional silicon components, particularly in power electronics. Our IC solutions for Industry 4.0 are characterized by high energy efficiency, more compact designs and a significantly higher switching speed. These properties make them ideal for applications such as fast chargers, electric vehicles and modern telecommunications systems. GaN ICs also contribute to sustainability as they minimize energy losses and thus reduce overall consumption. This not only saves costs, but also protects the environment. Especially in information and communication technology (ICT), they play a central role in the development of future-oriented energy supply systems.

Rotima AG, an experienced distributor of electronics and semiconductors for renewable energies, works closely with Dongke Semiconductor in China to make the advantages of GaN ICs available globally. Our expertise enables us to provide innovative solutions for the challenges of modern electronics.

Our range of other active components:

Synchronous rectifier

Synchronous rectifier

Find high-quality voltage converters for a reliable power supply for your devices. Our Swiss quality guarantees precise performance and versatile application possibilities in various industries.
Learn more
Synchronous rectifier controller

Synchronous rectifier controller

A synchronous rectifier controller optimizes the efficiency of power converters by replacing conventional diodes with controlled MOSFETs, minimizing energy losses and maximizing power efficiency.
Learn more
All-IN-ONE AC-DC converter

Voltage transformer

An all-in-one AC-DC converter combines state-of-the-art power electronics in a compact module that reliably converts alternating current (AC) into direct current (DC) - efficient, safe and ideal for demanding industrial and technical applications.
Learn more
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GaN AC-DC Power Converter
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Technology and functionality of GaN ICs in electronics

GaN ICs are based on the semiconductor material gallium nitride, which enables high efficiency and power density thanks to its exceptional physical properties. Compared to silicon, GaN components have a higher electrical breakdown strength, lower switching losses and a faster response time.

The structure of a GaN IC combines active GaN components such as transistors with integrated circuits that provide control and signal processing. This combination allows compact designs that require less space and cooling.

In power electronics, such as chargers or energy supply systems, GaN ICs are used to convert energy more efficiently and precisely control circuits. They are an essential component of modern, sustainable technologies and are driving innovation in the electronics industry.

GaN ICs play a crucial role in the development of semiconductor solutions in Europe and the advancement of semiconductor technology in Germany. As a key component, they not only enable more efficient systems in power electronics, but also promote the competitiveness of European companies on the global market. Particularly in Germany, a center for technical innovation, GaN-based technologies are driving the development of new applications in areas such as electromobility, renewable energies and industrial automation.
DC/DC converter creates constant output voltage
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Tobias Nuffer
Tobias Nuffer
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Rotima Andrei Jantea
Andrei Jantea
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GaN AC-DC Power Converter

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What are the advantages of using DC voltage transformers compared to AC voltage transformers?

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Further information on GaN ICs

GaN ICs are revolutionizing the electronics industry with their high energy efficiency, compact design and versatile applications, especially in sustainable and high-performance technologies.

What are the advantages of GaN ICs over silicon-based components?

GaN ICs offer higher energy efficiency, faster switching times, lower losses and more compact designs compared to silicon.

How do GaN ICs work in power electronics?

GaN ICs utilize the exceptional electrical properties of gallium nitride to efficiently convert and precisely control energy with minimal losses.

Which applications particularly benefit from GaN ICs?

They are used in fast chargers, electric vehicles, 5G base stations and energy-efficient industrial systems.

Why are GaN ICs sustainable?

They reduce energy losses and enable more compact designs, which reduces material consumption and minimizes the environmental impact.

What are the challenges in manufacturing GaN ICs?

Production requires special technologies and materials that are currently more expensive than conventional silicon processes.

Rotima GmbH - GaN-ICs?

Are there ICs specifically for low-voltage applications? - Yes, we offer specialized ICs that have been developed for low-voltage applications and at the same time guarantee high efficiency.

What are the advantages of low heat generation power ICs? - Our power ICs minimize energy loss through heat, enabling improved system performance and longevity.

What is the patented self-power system in your IC solutions? - The self-power system enables ICs to power themselves, eliminating the need for additional power sources.

Are your ICs also suitable for compact PCB designs? - Absolutely, our compact ICs are specially developed for space-saving PCB designs and facilitate integration into complex systems.

What distinguishes your energy-optimized rectifier ICs? - Our rectifier ICs are designed to minimize energy losses and achieve the highest efficiency in DC applications.

Do you offer additional information on GaN technology? - Yes, in our white paper on GaN technology you will find detailed information on the advantages and applications of our GaN ICs.
Learn more

Rotima GmbH GaN ICs and semiconductor solutions?

Does Rotima offer IC solutions for the automotive sector in Germany? - Yes, we supply high-quality IC solutions for the automotive sector specifically for the German market.

Are semiconductors for medical technology available in Switzerland? - Yes, we offer specialized semiconductors for medical technology in Switzerland.

Are USB charger ICs available for customers in Germany? - We are your contact for USB-Charger ICs in Germany.
Can I buy semiconductor solutions from Rotima in Switzerland? - Yes, our semiconductor solutions are available in Switzerland directly from us.

Where can I buy IC components in Germany? - Rotima offers high-quality IC components for sale in Germany.

How can I buy semiconductor products in Switzerland? - You can easily purchase our semiconductor products in Switzerland through our distribution channels.

Are technical semiconductor solutions available in Switzerland? - We offer customized technical semiconductor solutions in Switzerland.

Does Rotima support reference designs for semiconductor solutions? - Yes, we develop and deliver reference designs for semiconductor solutions to optimize your
Learn more

GaN ICs for renewable energies and industrial applications?

What are GaN ICs and why are they suitable for renewable energies? - GaN ICs (gallium nitride power ICs) are highly efficient semiconductor devices that are ideal for renewable energy applications such as solar inverters. Their high energy efficiency and switching speed make them a future-oriented solution.

Where can I buy gallium nitride power ICs? - You can purchase high-quality GaN power devices from specialized suppliers in Germany, Switzerland and other European countries.

How does GaN technology support Industry 4.0? - GaN ICs for Industry 4.0 enable powerful and energy-efficient electronics solutions that are crucial for the digital transformation in industry.

What are the advantages of GaN ICs for LED drivers? - Thanks to the high efficiency and compact design of GaN technology, these components are perfect for modern LED drivers with low energy consumption.

What makes GaN ICs for wind turbines special? - Our GaN ICs offer the highest efficiency and reliability for wind turbines and contribute to the optimization of energy generation.

Does Rotima offer GaN ICs for solar projects in Switzerland? - Yes, we support solar projects in Switzerland with innovative GaN ICs.

What advantages do your IC solutions offer for industrial automation? - Our IC solutions are designed for maximum precision and reliability to improve industrial automation processes.
Learn more

GaN solutions for medical technology and energy efficiency?

Why is GaN technology relevant for medical technology? - GaN solutions for medical technology offer precise, compact and energy-efficient power electronics that are essential for modern medical devices.

What makes GaN ICs an efficient choice for solar inverters? - The energy-efficient GaN circuits minimize losses and increase the efficiency of solar inverters, making them ideal for sustainable energy projects.

Are there specific GaN IC solutions for Germany and Switzerland? - Yes, specialized suppliers offer tailor-made GaN IC solutions in both Germany and Switzerland to meet the requirements of different industries.

How do GaN ICs contribute to the development of efficient power electronics? - Efficient GaN power electronics enable higher power densities, lower energy losses and a more compact design, which is beneficial in many applications.
Learn more
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