Renesas Electronics Shifts Focus to AI, Halts SiC Business Japanese semiconductor giant Renesas Electronics has recently announced a major strategic adjustment. According to reports from Nikkei News and Nikkan Kogyo Shimbun, the company will terminate its mass production plans for silicon carbide (SiC) power semiconductors and fully transition to three core areas: edge AI, AIoT, … Read more
ECU (Electronic Control Unit) is the core component of the automotive electronic system, primarily used to receive sensor signals, process data, and control actuator actions. It contains various electronic components, which can be categorized into the following functional modules: 1. Core Processing Module Microcontroller (MCU) Function: The “brain” of the ECU, responsible for computation, logic … Read more
Xinchip Technology and analog IC design company Richtek have jointly launched the “SD210” reference design aimed at smart cockpits. This reference design is based on Xinchip’s X9 series smart cockpit SoC chips and incorporates Richtek’s SoC PMIC RTQ2209 and other products, fully meeting diverse power supply requirements and aiding in the realization of high-performance, miniaturized … Read more
ver0.2 Introduction In previous articles, we briefly introduced the Power Control Framework (PCF) and understood the main functions of its core components, which revolve around two key concepts: “power domains” and “power modes”. Building on this foundation, this article will further explore the concept of granular “domains” controlled by the SCP for various agents. Modern … Read more
Source | Embedded Miscellaneous First, let me ask everyone, how many of you have worked on low-power battery-powered products? In this era of intense competition, not only hardware is being pushed to the limit, but also low power consumption, with standby currents of 1uA and a single battery lasting for 2 years… Of course, for … Read more
Sharing my PPT on the “Linux Bus, Device, and Driver Model” from a few years ago, which explains why Linux is designed this way, the reasons behind it, and its main design principles.1. An imagined Ethernet controller/a board 2. Decoupling 3. Unified binding 4. Bus, device, driver 5. Matching 6. Devices are devices, drivers are … Read more
The power design and power management of the ESP32 are core aspects of IoT device development, directly affecting system stability, battery life, and thermal design. Below are detailed power supply solutions and power management strategies: 1. ESP32 Power Supply Requirements Voltage Range Recommended Voltage: 3.3V (Absolute maximum range: 2.3V~3.6V) Do not connect directly to 5V; … Read more
1. Core Architecture Features 1. System on Chip (SoC) Integration Module Aggregation: Integration of CPU, RAM, ROM, I/O, timers, ADC/DAC, etc. on a single chip Typical Case: STM32F407 integrates ARM Cortex-M4 core + 1MB Flash + 192KB RAM + rich peripherals 2. Memory Structure Program Memory (ROM/Flash)▶ Stores firmware (e.g., LED control code)▶ Capacity: 8KB~2MB … Read more
🌟 Comprehensive Guide to ESP32 Power Management: From 5μA Deep Sleep to Wi-Fi 6 Energy-Saving Technology! Can a button battery last for 3 years? Discover how the “energy police” of IoT devices work. 🔋 1. Three-Level Power Consumption Modes: Precisely Control Every Microamp The power management system of the ESP32 acts like asmart energy dispatch … Read more
