CPU power management

Dissecting DDR5 Memory Architecture: New Approaches to PMIC and Power Management

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Dissecting DDR5 Memory Architecture: New Approaches to PMIC and Power Management

🎯Dissecting DDR5 Memory Architecture: New Approaches to PMIC and Power Management🔥 📌Keywords: DDR5, PMIC, Power Architecture, Power Supply Modes, VDD, VDDQ, VPP 💡01｜Introduction: What is “New” About DDR5? We all know that DDR5 has a high frequency (starting at 4800MT/s, soaring over 8000+), but itsunderlying architecture has undergone revolutionary changes, especially in power management! You … Read more

Chinese Manufacturer Releases Wireless Charging Single-Chip: Supports 15W EPP and Dual Fast Charging

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Chinese Manufacturer Releases Wireless Charging Single-Chip: Supports 15W EPP and Dual Fast Charging

With the release of the iPhone 12, Apple has stopped including chargers for environmental reasons, and wireless earbuds like AirPods now support wireless charging. Many people are opting for wireless charging for their phones and earbud charging cases, enjoying the convenience it brings by eliminating the hassle of wired connections. Multifunctional wireless chargers have flooded … Read more

How Engineers Distinguish Power Management IC Models

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In electronic circuits, Power Management Integrated Circuits (PMICs) are crucial core components responsible for voltage conversion, battery charging and discharging, overload protection, and other essential functions. However, with hundreds of PMIC models available, how can engineers differentiate between them? 1. Silkscreen Decoding ① Brand Logo Identification TI (Texas Instruments) TPS/LM series, ADI (Analog Devices) LT/ADP … Read more

Undergraduate Students Visit the PMIC Laboratory at the University of Science and Technology of China

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Undergraduate Students Visit the PMIC Laboratory at the University of Science and Technology of China

Undergraduate Students Visit the PMIC Laboratory Recently, a group of undergraduate students from the 2023 cohort of the School of Microelectronics at the University of Science and Technology of China visited Professor Cheng Lin’s PMIC laboratory, where they were introduced to the basic situation of the laboratory. Visit to the PMIC Laboratory To further help … Read more

Addressing Power Challenges in AI Data Centers

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Addressing Power Challenges in AI Data Centers

As artificial intelligence (AI) continues to play a central role in data center operations, the demand for efficient and high-performance power solutions is becoming increasingly important.AI workloads require substantial computational resources, leading to increased power consumption and heat generation.These challenges necessitate innovative approaches in power data conversion and distribution, focusing on optimizing electronic components such … Read more

High-Speed Digital-to-Analog Converters (DAC) – Domestic Alternatives

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High-Speed Digital-to-Analog Converters (DAC) - Domestic Alternatives

ChipBai Microelectronics (Beijing) Co., Ltd. ChipBai Microelectronics (Beijing) Co., Ltd. was established in 2014, adhering to the philosophy that “creating value for customers is the value of our existence,” with the entrepreneurial mission of “specialized development,” “serving with chips,” and “creating a future with chips.” After years of development, it obtained the High-tech Enterprise Certificate … Read more

Top 10 Semiconductor Companies with Outstanding Performance in Q1

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Top 10 Semiconductor Companies with Outstanding Performance in Q1

Since this year’s Spring Festival, domestic artificial intelligence companies represented by Deepseek have actively promoted a technology open-source strategy, significantly lowering the application threshold for artificial intelligence technology and rapidly extending smart devices into the fields of edge computing and terminal applications. From smart homes to humanoid robots, from autonomous vehicles to wearable devices, the … Read more

Top 10 Companies in the Chip Sector with the Best Performance (Q1)

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Top 10 Companies in the Chip Sector with the Best Performance (Q1)

Since this year’s Spring Festival, with the continuous advancement of domestic large model open-source technologies represented by DeepSeek, not only has the threshold for artificial intelligence significantly decreased, but it has also accelerated the application of AI in edge computing and terminal devices (AloT), driving the entire industry to welcome a new round of explosive … Read more

MX9008 Dual-Channel PMIC with Shutdown Power Consumption as Low as 1μA: Designed for Portable Device Longevity and Space Optimization

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MX9008 Dual-Channel PMIC with Shutdown Power Consumption as Low as 1μA: Designed for Portable Device Longevity and Space Optimization

Introduction The MX9008 is a dual-channel power management IC suitable for applications powered by USB or 5V DC adapters. It employs a high-efficiency synchronous buck architecture, and the internal compensation network simplifies circuit design. The buck converter operates in current mode control, supporting a constant switching frequency.The dual-channel 5.5V DC/DC buck power management unit (PMU) … Read more

Introduction to Hibernate and Sleep Functions in Linux Power Management

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Introduction to Hibernate and Sleep Functions in Linux Power Management

Original:https://mp.weixin.qq.com/s/8tBqZ3G7reXkHOXj4rxMMA 1. Introduction The Hibernate and Sleep functions are core features of Linux Power Management (PM), and their purposes are similar: pause usage —> save context —> power off the system to save energy········> restore the system —> restore context —> continue usage. This article introduces these two functions from the perspective of the interfaces … Read more