New Renesas <span style='color:red'>USB-C</span> Power Solution with Innovative Three-Level Topology Improves Performance and Reduces System Size
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New Renesas USB-C Power Solution with Innovative Three-Level Topology Improves Performance and Reduces System Size

　　Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today introduced the RAA489300/RAA489301 high-performance buck controller designed with a three-level buck topology used for battery charging and voltage regulation in USB-C systems such as multiple-port USB-PD chargers, portable power stations, PC docking station, robots, drones, and other applications that need a high efficiency DC/DC controller.　　The three-level buck converter topology enabled by the new IC delivers exceptional efficiency and significantly reduces the required inductance for regulating the output voltage. Its innovative design minimizes power loss and reduces system size, making it ideal for compact, high-performance applications.　　The three-level topology consists of two additional switches and a flying capacitor compared to a conventional two-level buck converter. The flying capacitor reduces voltage stress on the switches, allowing designers to use lower voltage FETs with better figures of merit. The result is reduced conduction and switching losses. This topology also enables the use of a smaller inductor with peak-to-peak ripple of only about 25 percent of that of a two-level converter, enabling reduced inductor core and direct current resistance losses.　　Renesas is a worldwide leader in USB-PD solutions, offering a comprehensive range of products, including turnkey solutions for various applications. Renesas helps customers shorten their time-to-market with an extensive development environment and pre-certified USB-IF reference designs. Renesas USB-PD solutions offer superior quality and safety, along with high efficiency and power density.　　“This three-level buck topology solution is a prime example of Renesas’ worldwide leadership in battery charging,” said Gaurang Shah, Vice President of the Power Division at Renesas. “The innovative technology includes patent-pending breakthroughs that offer our customers clear advantages over competing USB-C power offerings.”　　The 3-Level DC-DC RAA489300/RAA489301 battery charger and voltage regulator offers superior thermal performance, which reduces cooling requirements and results in cost and space savings. This innovative approach addresses the growing demand for compact and efficient power management systems.　　Key Features of the RAA489300/RAA489301 battery charger and voltage regulator　　Wide range of input and output voltages for use in voltage battery packs and with various PD adapters　　Integrated safety features with built-in protection mechanisms against overcharging, overheating, and voltage anomalies　　Scalability for easily adapting to various power levels and application requirements　　Optimized switching architecture divides the voltage across power switches, improving efficiency　　Minimizes power consumption, contributing to greener, more sustainable designs　　Lower thermal stress improves system reliability and extends product lifespan　　Winning Combinations　　Renesas offers the RTK-251-SinkCharger-240W and the 240W Dual-Port Daughter Card Winning Combinations that minimize the effort required for customers to design USB-C battery charging into their products. Winning Combinations are technically vetted system architectures from mutually compatible devices that work together seamlessly to bring an optimized, low-risk design for faster time to market. Renesas offers more than 400 Winning Combinations with a wide range of products from the Renesas portfolio to enable customers to speed up the design process and bring their products to market more quickly. 　　Device Availability　　The RAA489300/RAA489301 is available today in a 4×4 mm 32-lead TQFN package. Comprehensive design support and tools, including the RTK-251-SinkCharger-240W Kit and the RTKA489300DE0000BU Evaluation Board, are also available.
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Release time：2025-08-20 11:46 reading：690 Continue reading>>
ROHM's EcoGaN™ has been adopted in the 45W Output <span style='color:red'>USB-C</span> Charger C4 Duo from Innergie, a brand of Delta
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ROHM's EcoGaN™ has been adopted in the 45W Output USB-C Charger C4 Duo from Innergie, a brand of Delta

　　ROHM has announced the adoption of its 650V GaN device (EcoGaN™) in the C4 Duo, a 45W output USB-C charger from Innergie, a brand of Delta. Delta is a global provider of IoT-based Smart Green Solutions headquartered in Taiwan. ROHM’s EcoGaN™ device contributes to greater application performance, reliability, and miniaturization by providing higher efficiency in power supply systems.　　Efforts to save energy are accelerating toward achieving a sustainable society by reducing power loss, especially in equipment that handle high power. Furthermore, GaN devices that enable high-speed switching are being considered for power supplies, since high frequency operation not only saves energy but also allows the use of smaller circuits.　　Offering GaN-based devices under the brand name EcoGaN™, ROHM is advancing product development and providing solutions by focusing on mastering the use of GaN, which has high potential but is difficult to handle. For discrete products, mass production of 150V withstand GaN HEMTs began in 2022 and 650V withstand GaN HEMTs in 2023 featuring industry-leading device performance (RDS(ON) × Ciss / RDS(ON) × Coss). What’s more, integrating an ESD protection element into the GNP1150TCA-Z improves ESD breakdown tolerance by approximately 75% over standard GaN HEMTs, and has been evaluated to improve application reliability that ultimately led its adoption.　　Yuhei Yamaguchi, General Manager,　　Power Stage Product Development Dept., LSI Business Div., ROHM Co., Ltd.　　We are pleased to have ROHM's EcoGaN™ incorporated into USB-C chargers from Delta, a global leader in power and thermal management solutions. ROHM contributes to Delta’s prowess in high-energy power supplies by leveraging analog technology that maximizes power semiconductor performance and achieves superior topologies. Both companies share a similar management vision to realize a decarbonized and digital society, forming a strong partnership that resulted in the adoption of ROHM devices and ICs in Delta’s power circuit design. Furthermore, we look forward to our continued collaboration to promote greater miniaturization and efficiency in chargers and other products that can contribute to enriching people’s lives.　　Jason Chen, General Manager,　　Innergie, a brand of Delta　　The development of GaN power devices is a major focus in the global electronics industry, and therefore, we have deepened our collaboration with ROHM over the past several years. Moreover, in 2022, we initiated a strategic partnership to jointly develop next-generation power semiconductors for power supply systems. This partnership has delivered ROHM’s advanced 650V GaN (GNP1150TCA-Z) devices, which are now supporting Innergie’s new products. The C4 Duo is the first model from Innergie’s One for All Series adapters to use ROHM’s GaN devices, and we expect more models to adopt this state-of-the-art technology. We believe that, by strengthening our collaboration with ROHM, we will be able to provide customers adapters featuring higher power efficiency and capability, but with much smaller product size.　　Related Pages　　・Delta Electronics Website　　https://www.deltaww.com/en-US/index　　・Innergie Website　　https://myinnergie.com/us/product/c4-duo-45w-dual-usbc-power-adapter-fold/　　・ROHM's GaN Power Device Website　　https://www.rohm.com/products/gan-power-devices　　ROHM EcoGaN™　　Refers to ROHM’s new lineup of GaN devices that contribute to energy conservation and miniaturization by maximizing GaN characteristics to achieve lower application power consumption, smaller peripheral components, and simpler designs requiring fewer parts.
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Release time：2024-02-27 13:51 reading：874 Continue reading>>

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