公众号记得加星标⭐️，第一时间看推送不会错过。 来源 ： 内容 编译自 chipsandcheese 。 Hot Chips 2025 大会上充斥着关于高功率设备的演示。人工智能每颗芯片的功耗高达数百瓦，需要 复杂的供电和同样复杂的散热系统。这与那些必须使用标准壁式插座或移动设备电池的消费类设备截 然不同。虽然在壁式插座或电池的限制下工作很困难，但与完全没有电源的情况下工作相比，这简直 是小巫见大巫。这正是 Everactive 的重点，也是他们在 Hot Chips 2025 大会上演讲的主题。 Everactive 生产的 SoC 能够利用从环境中收集的能量自行供电，无需稳定电源即可运行。自供电 SoC 非常适合大型物联网部署。为设备接线或更换电池会使设备数量的扩展变得复杂，尤其是当这些 物联网设备是位于难以触及位置的传感器时。从可持续性的角度来看，利用环境能量也很有吸引力。 可靠性也受益匪浅，因为设备不会受到电网故障的影响。 但依赖能量收集也存在自身的挑战。收集的能量通常在毫瓦或微瓦范围内，具体取决于能源来源。功 率水平也会根据环境条件而波动。这意味着 SoC 必须以极低的功率运行，同时采取措施最大限度 ...

Core Insights - A research team from Cornell University has developed a low-power microchip known as the "microwave brain," which is the first processor capable of simultaneously processing ultra-fast data signals and wireless communication signals using microwave physics principles [1][2] - The chip operates at a power consumption of less than 200 milliwatts and can perform real-time frequency domain calculations, making it suitable for tasks such as radio signal decoding, radar target tracking, and high-speed digital data processing [1] - The chip's architecture is inspired by neural networks, allowing it to recognize patterns and learn from data, and it operates in an analog manner at microwave frequencies, processing signals directly without the need for extensive signal preprocessing [1][2] Technical Features - The chip can perform both basic logical operations and complex tasks, achieving over 88% accuracy in various wireless signal classification tasks, comparable to traditional digital neural networks but with significantly lower power consumption and space requirements [2] - Unlike traditional digital systems, which require increased circuit size, power, and error correction mechanisms as task complexity rises, this new method maintains high accuracy in both simple and complex tasks without increasing system overhead [2]

格隆汇7月31日丨安凯微(688620.SH)公布，2025年8月1日，公司正式推出专为智能门锁设计的AK1037 系列低功耗锁控SoC芯片。该系列芯片内置RISC-V内核，集成指纹识别加速、RFID卡识别、触摸按 键、语音播报等核心功能，具有高集成度、低功耗等特点。基于AK1037系列芯片的高性能、低功耗智 能门锁系统平台与"交钥匙"应用方案也已完成。该解决方案也可扩展应用于智能门禁考勤、家电控制面 板及充电桩等终端。 ...

Core Viewpoint - The semiconductor industry faces critical challenges in data transmission speed and security, driven by the explosive growth of AI, connected vehicles, 5G, and IoT, leading to increased demand for high-performance computing and low-power chips [1] Group 1: Industry Challenges and Innovations - The bottlenecks in memory bandwidth and data processing security are becoming increasingly prominent [1] - Interface IP and security IP technologies are identified as core drivers for breakthroughs in the industry, directly impacting chip performance, compatibility, and attack resistance [1] Group 2: Company Overview - Rambus, established in 1990, is a pioneer in the field of high-speed interface technology, redefining data transmission standards between memory and systems [1] - Rambus offers a robust product portfolio, including DDR memory interfaces, HBM3/4, and PCIe 5/6 solutions, significantly enhancing performance in data centers and edge computing [1] - The company also provides various security IP solutions, such as root of trust technology, security protocol engines, inline cryptographic engines, and post-quantum cryptography accelerators [1] Group 3: Upcoming Event - Rambus is hosting a technology seminar on July 9, 2025, in Beijing, focusing on AI and automotive sectors, featuring industry partners and technical experts [2][3] - The morning session will cover the latest interface and security IP solutions for AI and advanced applications, including quantum-safe encryption and various memory technologies [6] - The afternoon session will delve into automotive security solutions, addressing trends and challenges faced by hardware and software designers in smart connected vehicles [7]

Core Viewpoint - The semiconductor industry faces critical challenges in data transmission speed and security, driven by the explosive growth of AI, connected vehicles, 5G, and IoT, leading to increased demand for high-performance computing and low-power chips [1] Group 1: Industry Challenges and Innovations - The bottlenecks in memory bandwidth and data processing security are becoming increasingly prominent [1] - Interface IP and security IP technologies are identified as core drivers for breakthroughs in the industry, directly impacting chip performance, compatibility, and attack resistance [1] - Rambus, established in 1990, is a pioneer in this field, redefining data transmission standards between memory and systems with innovative high-speed interface technologies [1] Group 2: Rambus Solutions - Rambus offers solutions such as DDR memory interfaces, HBM3/4, and PCIe 5/6, significantly enhancing performance limits in data centers and edge computing [1] - The company provides a range of security IP solutions, including root of trust technology, security protocol engines, inline cryptographic engines, and post-quantum cryptography accelerators [1] - These comprehensive security and interface IP solutions contribute to a robust product portfolio for Rambus [1] Group 3: Upcoming Event - Rambus will host a technology discussion on July 9, 2025, in Beijing, focusing on AI and automotive sectors, featuring industry partners and technical experts [2][3] - The morning session will cover the latest interface and security IP solutions for AI and advanced applications, including quantum-safe encryption and various memory technologies [6] - The afternoon session will delve into automotive safety solutions, addressing trends and challenges faced by hardware and software designers in smart connected vehicles [7]

Core Viewpoint - The semiconductor industry faces critical challenges in data transmission speed and security, driven by the explosive growth of AI, connected vehicles, 5G, and IoT, leading to increased demand for high-performance computing and low-power chips [1] Group 1: Industry Challenges and Innovations - The bottlenecks in memory bandwidth and data processing security are becoming increasingly prominent [1] - Interface IP and security IP technologies are identified as core drivers for breakthroughs in the industry, directly impacting chip performance, compatibility, and attack resistance [1] Group 2: Company Overview - Rambus, established in 1990, is a pioneer in high-speed interface technology, redefining data transmission standards between memory and systems [1] - Rambus offers a robust product portfolio, including DDR memory interfaces, HBM3/4, and PCIe 5/6 solutions, significantly enhancing performance in data centers and edge computing [1] Group 3: Upcoming Event - Rambus will host a technology discussion on July 9, 2025, in Beijing, focusing on AI and automotive sectors, featuring industry partners and technical experts [2][3] - The event will cover the latest interface and security IP solutions for advanced applications, including quantum-safe encryption and various memory technologies [6] - The afternoon session will delve into automotive security solutions, addressing trends and challenges faced by hardware and software designers in smart connected vehicles [7]