CPU power management

Essential for Microcontroller Experts: A Quick Overview of 20 Classic Circuit Modules

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Mastering microcontroller development involves not only programming skills but also a deep understanding and flexible application of basic circuit modules. Below are 20 classic circuits that have been repeatedly validated in practical projects, forming the hardware foundation for the vast majority of microcontroller applications. Category of Circuit Modules Core Functionality Key Points Power Management and … Read more

Chip Industry Landscape: Comprehensive Overview of Seven Core Functional Areas and Key Players (Latest Industry Edition)

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Please clickthe blue bold textabove to follow! The recent Fourth Plenary Session emphasized that high-level technological self-reliance is a strategic support for high-quality development, and that the advantages of a new type of national system should be leveraged to break through key core technologies. This news is a comprehensive boon for the chip and semiconductor-related … Read more

Understanding DVFS: Essential for Low Power Design

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DVFS stands for Dynamic Voltage Frequency Scaling. It is a low-power technology that dynamically adjusts the operating frequency and voltage of processors (or other hardware components) during system operation to achieve a balance between performance requirements and power consumption. The basic principle is based on a key physical fact: the power consumption of CMOS digital … Read more

Directory and Overview of 36 Power Chip Companies in Beijing

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Beijing is the political, cultural, and economic center of China, boasting the highest quality higher education resources. However, in terms of the scale of the semiconductor industry, it lags behind cities like Shanghai and Shenzhen. This article discusses the information about power chip companies in Beijing. Note that the following companies are not limited to … Read more

Renesas RA9530: 50W WattShare TRx Mode Wireless Power Transceiver

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Product Key Information Overview Product Model and Core Positioning: The Renesas (瑞萨) RA9530 is a highly integrated single-chip wireless power transceiver (TRx) that supports 50W wireless power reception and features the WattShare TRx mode, enabling simultaneous wireless power transmission and reception. Functionality and Architecture: Transmits AC power through magnetic induction technology, with a built-in high-efficiency … Read more

Zhuhai Yueya Semiconductor (Proposed Listing on Shenzhen Stock Exchange’s Growth Enterprise Market): Ongoing Projects

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Zhuhai Yueya Semiconductor focuses on the advanced packaging field of semiconductors, centering aroundAI, 5G, automotive electronics, and high-power power management as the four core application directions, with “IC packaging substrates + embedded packaging modules” as the core product line, laying out multiple high-barrier ongoing projects. These projects are all based on the company’s self-developed core … Read more

Alliance Dynamics | PMIC Visits Peiyuan Electronics for Exchange

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Alliance Dynamics | PMIC Visits Peiyuan Electronics for Exchange

PMIC Visits Peiyuan Electronics for Exchange On September 23, 2025, the Power Management Technology Innovation Alliance (hereinafter referred to as the “Alliance”) was invited to visit the leading domestic power solution provider – Peiyuan Electronics, to jointly discuss the challenges posed by the high computing power era to power technology, engaging in in-depth exchanges and … Read more

I2C: Connecting Multiple Slave Devices with Two Wires

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I2C: Connecting Multiple Slave Devices with Two Wires

I²C (Inter-Integrated Circuit, pronounced “I-squared-C”) is a very elegant and widely used synchronous, serial, half-duplex communication protocol. Its core appeal lies in the fact that it can connect multiple devices using only two wires while sacrificing communication efficiency for individual devices. The bus data topology and device connections are shown in the following diagram: Taking … Read more

STMicroelectronics Launches Cost-Effective PMIC for Automotive MCUs

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STMicroelectronics Launches Cost-Effective PMIC for Automotive MCUs

STMicroelectronics’ SPSA068 is a power management integrated circuit (PMIC) that integrates a synchronous current mode BUCK step-down regulator (with built-in high and low side power MOSFETs) and a high-precision voltage reference. It is both flexible and easy to use, equipped with a complete set of features to meet the functional safety requirements of passenger vehicles, … Read more

New Addition to the Automotive PMIC Family: SC6259XQ with ASIL-D Functional Safety Level SBC

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New Addition to the Automotive PMIC Family: SC6259XQ with ASIL-D Functional Safety Level SBC

Recommended Reading From ECU to Sensors: A One-Stop Power Ecosystem for Intelligent Assisted Driving Systems Selection Guide | Detailed Explanation of Nanjing Semiconductor’s High-Side Switch Products Major New Product | Breaking Overseas Monopoly! Nanjing Semiconductor Launches the First Fully Domestic Supply Chain Vertically Integrated High-Side Switch On September 22, Nanjing Semiconductor (Stock Code: 688484) launched … Read more