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Alpha and Omega Semiconductor Unveils World’s First NVIDIA OVR4-22 Multiphase PWM Controller Powering AI Server and Graphic Cards

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Alpha and Omega Semiconductor (AOSL) has launched AOZ73004CQI, the world's first 4-Phase controller for Blackwell GPUs with full OpenVReg OVR4-22 compliance. The controller features cycle-by-cycle current limit control, deep-off and shallow-off power states for minimal power consumption, and can triple the PWMVID slew rate up to 30mV/us.

The AOZ73004CQI can be paired with AOS' DrMOS devices, enabling creation of high-power solutions with up to 12 power stages. For AI server applications with 12V input, AOS offers AOZ5310NQI-A DrMOS, while laptop GPU applications with 20V input can use AOZ5316NQI/AOZ5317NQI/AOZ5318NQI DrMOS power stages.

The product is immediately available in production quantities with a 12-16 week lead time, priced at $1.2 per unit in 1,000-piece quantities.

Alpha e Omega Semiconductor (AOSL) ha lanciato l'AOZ73004CQI, il primo controller al mondo a 4 fasi per GPU Blackwell con piena conformità a OpenVReg OVR4-22. Il controller presenta un controllo del limite di corrente ciclo per ciclo, stati di alimentazione deep-off e shallow-off per un consumo energetico minimo, e può triplicare la velocità di variazione PWMVID fino a 30mV/us.

L'AOZ73004CQI può essere abbinato ai dispositivi DrMOS di AOS, consentendo la creazione di soluzioni ad alta potenza con fino a 12 fasi di alimentazione. Per applicazioni server AI con ingresso a 12V, AOS offre l'AOZ5310NQI-A DrMOS, mentre per applicazioni GPU per laptop con ingresso a 20V possono essere utilizzati i power stages DrMOS AOZ5316NQI/AOZ5317NQI/AOZ5318NQI.

Il prodotto è immediatamente disponibile in quantità da produzione con un tempo di consegna di 12-16 settimane, al prezzo di $1,2 per unità in quantità da 1.000 pezzi.

Alpha y Omega Semiconductor (AOSL) ha lanzado el AOZ73004CQI, el primer controlador del mundo de 4 fases para GPUs Blackwell con total cumplimiento de OpenVReg OVR4-22. El controlador presenta control de límite de corriente ciclo por ciclo, estados de energía deep-off y shallow-off para un consumo mínimo de energía, y puede triplicar la tasa de variación PWMVID hasta 30mV/us.

El AOZ73004CQI se puede combinar con los dispositivos DrMOS de AOS, lo que permite crear soluciones de alta potencia con hasta 12 etapas de energía. Para aplicaciones de servidor AI con entrada de 12V, AOS ofrece el AOZ5310NQI-A DrMOS, mientras que para aplicaciones de GPU de laptop con entrada de 20V se pueden utilizar las etapas de poder DrMOS AOZ5316NQI/AOZ5317NQI/AOZ5318NQI.

El producto está disponible de inmediato en cantidades de producción con un tiempo de entrega de 12 a 16 semanas, con un precio de $1,2 por unidad en cantidades de 1,000 piezas.

알파와 오메가 반도체 (AOSL)블랙웰 GPU를 위한 세계 최초의 4단계 컨트롤러 AOZ73004CQI를 출시했습니다. 이 컨트롤러는 사이클별 전류 제한 제어, 최소 전력 소비를 위한 딥-오프 및 셀로우-오프 전력 상태를 특징으로 하며, PWMVID 슬루 속도를 최대 30mV/us까지 세 배로 증가시킬 수 있습니다.

AOZ73004CQI는 AOS의 DrMOS 장치와 함께 사용되며, 최대 12개의 전력 단계를 갖춘 고출력 솔루션을 생성할 수 있습니다. 12V 입력의 AI 서버 애플리케이션을 위해 AOS는 AOZ5310NQI-A DrMOS를 제공하고, 20V 입력의 노트북 GPU 애플리케이션은 AOZ5316NQI/AOZ5317NQI/AOZ5318NQI DrMOS 전력 단계를 사용할 수 있습니다.

이 제품은 생산량으로 즉각적으로 제공되며, 리드 타임은 12~16주이며, 1,000개 단위로 개당 $1.2의 가격에 판매됩니다.

Alpha et Omega Semiconductor (AOSL) a lancé l'AOZ73004CQI, le premier contrôleur au monde à 4 phases pour GPU Blackwell avec une conformité totale à OpenVReg OVR4-22. Le contrôleur propose un contrôle de la limite de courant cycle par cycle, des états d'alimentation deep-off et shallow-off pour une consommation d'énergie minimale et peut tripler la vitesse de montée du PWMVID jusqu'à 30mV/us.

L'AOZ73004CQI peut être associé aux appareils DrMOS d'AOS, permettant la création de solutions haute puissance avec jusqu'à 12 étapes de puissance. Pour les applications de serveur AI avec une entrée de 12V, AOS propose le DrMOS AOZ5310NQI-A, tandis que pour les applications de GPU de laptop avec une entrée de 20V, les étapes de puissance DrMOS AOZ5316NQI/AOZ5317NQI/AOZ5318NQI peuvent être utilisées.

Le produit est immédiatement disponible en quantités de production avec un délai de livraison de 12 à 16 semaines, au prix de 1,2 $ par unité pour des quantités de 1 000 pièces.

Alpha und Omega Semiconductor (AOSL) hat den AOZ73004CQI auf den Markt gebracht, den weltweit ersten 4-Phasen-Controller für Blackwell-GPUs mit vollständiger OpenVReg OVR4-22-Konformität. Der Controller bietet einen zyklischen Regelungsmechanismus für den Stromlimit, tiefe und flache Abschaltzustände für minimalen Stromverbrauch und kann die PWMVID-Anstiegsrate bis zu 30mV/us verdreifachen.

Der AOZ73004CQI kann mit den DrMOS-Geräten von AOS kombiniert werden, was die Erstellung von Hochleistungs-Lösungen mit bis zu 12 Leistungsstufen ermöglicht. Für AI-Serveranwendungen mit 12V Eingang bietet AOS den AOZ5310NQI-A DrMOS an, während Laptop-GPU-Anwendungen mit 20V Eingang die DrMOS-Leistungsstufen AOZ5316NQI/AOZ5317NQI/AOZ5318NQI nutzen können.

Das Produkt ist sofort in Produktionsmengen erhältlich, mit einer Lieferzeit von 12-16 Wochen, zu einem Preis von 1,2 $ pro Einheit bei Abnahme von 1.000 Stück.

Positive
  • First-to-market with OVR4-22 compliant 4-Phase controller for Blackwell GPUs
  • Product enables up to 12 power stages for high-power solutions
  • Immediate availability for production with defined pricing ($1.2/unit)
Negative
  • Extended lead time of 12-16 weeks may impact supply chain efficiency

Insights

The launch of AOZ73004CQI represents a significant technological advancement in GPU power management. This 4-Phase PWM controller's compliance with NVIDIA's OVR4-22 specifications and ability to support up to 12 power stages positions AOSL strategically in the growing AI hardware market. The controller's cycle-by-cycle current limit and enhanced PWMVID slew rate capabilities are important for next-gen GPU performance. With features like deep-off and shallow-off power states, it addresses both high-performance computing and energy efficiency demands. At $1.2 per unit, the pricing is competitive for the server and graphics card market. The immediate availability and integration with NVIDIA's Blackwell platform could drive significant revenue growth for AOSL in the AI infrastructure segment.

This product launch strengthens AOSL's market position in the rapidly expanding AI hardware sector. The timing aligns perfectly with the increasing demand for advanced GPU power solutions in data centers and AI applications. Being first-to-market with an OVR4-22 compliant controller for Blackwell GPUs gives AOSL a competitive advantage. The flexibility to support up to 12 power stages and compatibility with various DrMOS options expands the addressable market across servers, graphics cards and laptops. The immediate availability for production, despite current semiconductor supply chain challenges, indicates strong operational execution. This could positively impact AOSL's market share in the high-margin semiconductor segment.

The Latest AOZ73004CQI 4-Phase PWM Controller pairing with AOS Benchmark DrMOS Exhibits the Best System Efficiency for Blackwell GPU Platforms

SUNNYVALE, Calif.--(BUSINESS WIRE)-- Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power management ICs, and modules, today unveiled its AOZ73004CQI, the world’s first 4-Phase controller for Blackwell GPUs. Its advanced design has received full OpenVReg (Open Voltage Regulator) OVR4-22 compliance.

The Latest AOZ73004CQI 4-Phase PWM Controller pairing with AOS Benchmark DrMOS Exhibits the Best System Efficiency for Blackwell GPU Platforms (Graphic: Business Wire)

The Latest AOZ73004CQI 4-Phase PWM Controller pairing with AOS Benchmark DrMOS Exhibits the Best System Efficiency for Blackwell GPU Platforms (Graphic: Business Wire)

The performance and energy efficiency gains from the introduction of the Blackwell platform help propel AI capabilities supported by increased GPU performance. AOZ73004CQI’s cycle-by-cycle current limit meets the overcurrent limit (OCL) specification that helps safely throttle GPU power for maximized performance. AOZ73004CQI includes an external reference input and PWMVID dynamic output voltage control, which also follows the OVR4-22 specification. Furthermore, it can minimize ripple effects, enabling the device to triple the PWMVID slew rate up to 30mV/us, which is required for next-generation GPUs. Moreover, AOZ73004CQI features deep-off and shallow-off power states to minimize power consumption, providing a significant advantage in battery-powered applications such as laptops with discrete GPUs and gaming laptops.

The AOZ73004CQI with 4-Phase PWM is not limited to being paired with four DrMOS as a standard application. With AOS’ proprietary DrMOS design capable of precise turn-on time, the AOZ73004CQI can enable one PWM to drive two or three DrMOS devices. By doubling and tripling DrMOS, designers can create a high-power, cost-effective multiphase power solution that can achieve up to 12 power stages. For AI server and graphic card applications powered by 12V input, AOS offers AOZ5310NQI-A DrMOS for the best GPU power efficiency. Similarly, the controller can pair with DrMOS power stages such as AOZ5316NQI/AOZ5317NQI/AOZ5318NQI, which are well-suited to laptop GPU powered by a 20V input. MOSFETs in DrMOS are TrenchFET, which further enhances OCL capability.

“AOS designs and manufactures multiphase PWM controller and power stage total solutions for our SoC customers to power AI server, Graphic, and Computing Core Power with the considerations of best system performance and reliability. AOZ73004CQI is a great example of our breakthrough control scheme that meets stringent power delivery requirements with minimum external components and the best system power efficiency in the world. The total solution can be quickly adopted by data center and computing customers with the reference design provided by the SoC supplier,” said Starry Tsai, Senior Product Marketing Director for Power IC at AOS.

Technical Highlights

  • Fully Compliant with OVR4-22 specifications
  • Cycle-by-cycle current limit control for specific OCL requirements
  • Differential remote sensing to achieve 1% regulated VOUT accuracy
  • Supports industry-standard DrMOS
  • Proprietary, high-performance AOS Advanced Transient Modulator (A2TM) control scheme
  • Dynamic phase-to-phase current balancing
  • Seamless CCM to DCM control to maximize efficiency
  • Supports DCR or RON_LG sensing current balance
  • Automatic Phase Shedding (APS) with user settable thresholds
  • Power Saving Interface (PSI)
  • PWMVID interface
  • Acoustic Noise Suppression
  • QFN 4x4-32L Package

Pricing and Availability

The AOZ73004CQI is immediately available in production quantities with a lead time of 12-16 weeks. The unit price for AOZ73004CQI starts at $1.2 in 1,000-piece quantities.

About AOS

Alpha and Omega Semiconductor Limited, or AOS, is a designer, developer, and global supplier of a broad range of discrete power devices, wide band gap power devices, power management ICs, and modules, including a wide portfolio of Power MOSFET, SiC, IGBT, IPM, TVS, HV Gate Drivers, Power IC, and Digital Power products. AOS has developed extensive intellectual property and technical knowledge that encompasses the latest advancements in the power semiconductor industry, which enables us to introduce innovative products to address the increasingly complex power requirements of advanced electronics. AOS differentiates itself by integrating its Discrete and IC semiconductor process technology, product design, and advanced packaging know-how to develop high-performance power management solutions. AOS’ portfolio of products targets high-volume applications, including portable computers, flat-panel TVs, LED lighting, smartphones, battery packs, consumer and industrial motor controls, automotive electronics, and power supplies for TVs, computers, servers, and telecommunications equipment. For more information, please visit www.aosmd.com.

Forward-Looking Statements

This press release contains forward-looking statements that are based on current expectations, estimates, forecasts, and projections of future performance based on management’s judgment, beliefs, current trends, and anticipated product performance. These forward-looking statements include without limitation, references to the efficiency and capability of new products and the potential to expand into new markets. Forward-looking statements involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. These factors include but are not limited to, the actual product performance in volume production, the quality and reliability of the product, our ability to achieve design wins, the general business and economic conditions, the state of the semiconductor industry, and other risks as described in the Company’s annual report and other filings with the U.S. Securities and Exchange Commission. Although the Company believes that the expectations reflected in the forward-looking statements are reasonable, it cannot guarantee future results, level of activity, performance, or achievements. You should not place undue reliance on these forward-looking statements. All information provided in this press release is as of today’s date unless otherwise stated, and AOS undertakes no duty to update such information except as required under applicable law.

Media Contact: Mina Galvan

Tel: 408.789.3233

Email: mina.galvan@aosmd.com

Source: Alpha and Omega Semiconductor Limited

FAQ

What is the price of AOSL's new AOZ73004CQI controller?

The AOZ73004CQI is priced at $1.2 per unit in 1,000-piece quantities.

What is the lead time for AOSL's AOZ73004CQI controller?

The lead time for the AOZ73004CQI controller is 12-16 weeks.

What GPU platform is AOSL's new controller designed for?

The AOZ73004CQI controller is designed for Blackwell GPU platforms.

How many power stages can AOSL's AOZ73004CQI controller support?

The AOZ73004CQI controller can support up to 12 power stages through its ability to drive multiple DrMOS devices.

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