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拆解起亚和现代的ECU:给你讲解每颗芯片的具体作用
芯世相· 2025-09-05 06:20
Core Viewpoint - The article provides an in-depth analysis of the components within an Engine Control Unit (ECU), detailing the functions and importance of various integrated circuits and components used in modern automotive systems [5][8][11]. Group 1: Main Control MCU - The main control MCU in the ECU is the Infineon TC17xx series, specifically the SAK-TC1762-128F66HLAC, which processes all data related to engine operation and other vehicle control systems [8]. - It has five primary functions: reading sensor signals, processing data through control algorithms, sending control signals to actuators, managing communication networks (CAN/LIN), and performing fault monitoring [11]. Group 2: Additional MCUs - Another MCU present is the ST10F275-CFG, which also collects sensor signals and processes them for engine and transmission control [14]. - This MCU operates independently to enhance reliability and efficiency in controlling both the engine and transmission systems [14]. Group 3: Power Integrated Circuits - The Bosch 30639 integrated circuit is a smart power IC that controls various vehicle actuators, including fuel injectors and EGR valves, and is designed to withstand harsh engine conditions [15]. - Another driver IC, model 40048, acts as an interface between the main MCU and external signals, converting analog signals to digital for processing [19]. Group 4: Low-Side Power Output Drivers - The Infineon TLE6232GP is a low-side power output driver used for controlling smaller load components like fuel pump relays and cooling fan relays [21]. - This driver enhances system stability and provides effective protection for the MCU by managing smaller load outputs [21]. Group 5: Auxiliary Components - Various capacitors, including filter capacitors, are used for noise filtering and voltage stabilization within the ECU [39][41]. - Diodes play a crucial role in reverse polarity protection and voltage spike absorption, ensuring the safety of integrated circuits [41]. Group 6: Comparison of Different ECUs - The article compares ECUs from vehicles with automatic and manual transmissions, noting that the main difference lies in the absence of transmission control components in manual transmission ECUs [56]. - Despite the differences, the fundamental components and their functions remain similar across different types of ECUs, emphasizing the importance of understanding each component's role [61].
国芯科技: 关于自愿披露公司研发的新一代汽车电子BLDC电机驱动控制高性能芯片新产品内部测试成功的公告
Zheng Quan Zhi Xing· 2025-09-04 11:14
Core Viewpoint - Suzhou Guoxin Technology Co., Ltd. has successfully completed internal testing of its new generation automotive electronic BLDC motor driver control high-performance chip, CBC2100B, which is expected to enhance the company's product offerings and contribute to the high-end MCU chip supply in China's automotive industry [1][3]. Product Overview - The CBC2100B chip is developed using BCD technology, supports input voltages up to 28V, and is compatible with automotive 12V/24V systems and industrial applications [2]. - It features a 32-bit CPU core, programmable control, integrated PWM module, BEMFC module for sensorless control, and a gate driver supporting up to 350mA [2]. - The chip includes safety modules with AES-128 encryption, multiple automotive standard communication interfaces (LINFlex, CANFD, SPI), and various protection functions to enhance system reliability [2]. Design and Production Standards - The CBC2100B is designed and produced according to automotive electronic Grade0 and functional safety ASIL-B standards, ensuring high reliability and safety [3]. - The chip's packaging options include LQFP64/TQFP64/LQFP48/TQFP48, and it can compete with Infineon's TLE988x/9x series chips for BLDC applications [3]. Impact on the Company - The successful development of the CBC2100B chip enriches the company's high-end automotive electronic MCU integrated drive control product line, positively impacting market expansion and performance growth in the automotive electronics sector [3]. - The product aims to address the "chip shortage" issue in China's automotive, particularly in the new energy vehicle sector [3].
国芯科技(688262.SH):研发的新一代汽车电子BLDC电机驱动控制高性能芯片新产品内部测试成功
Ge Long Hui A P P· 2025-09-04 10:58
Core Viewpoint - Guoxin Technology (688262.SH) has successfully tested its new generation automotive electronic BLDC (Brushless DC) motor driver control high-performance chip "CBC2100B" internally, marking a significant advancement in automotive electronics and industrial control applications [1][2]. Group 1: Product Features - The CBC2100B chip is developed based on 130nm BCD technology and is suitable for automotive electronic applications such as water pumps, oil pumps, and air conditioning fans, as well as industrial control for BLDC motor drives and electrified equipment [1]. - The chip supports a maximum input voltage of 28V and is compatible with automotive 12V/24V systems and industrial applications [2]. - It features an embedded 32-bit CPU core, programmable control, integrated PWM module for flexible output control, and a BEMFC module for sensorless control [2]. Group 2: Safety and Reliability - The CBC2100B chip includes a safety module that supports random number generation and AES-128 encryption, enabling secure startup [2]. - It is designed and produced according to automotive electronic Grade0 and functional safety ASIL-B standards, ensuring high reliability and safety [2]. - The chip incorporates various automotive standard communication interfaces, including LINFlex, CANFD (with built-in CANFD transceiver), and SPI, along with protection features for overvoltage, undervoltage, overcurrent, overheating, and external MOS short-circuit monitoring [2]. Group 3: Market Position and Development - The CBC2100B chip is positioned to compete with Infineon's TLE988x/9x series chips, offering both sensor-based and sensorless control solutions for BLDC applications [2]. - The company has already sent samples of the new product to relevant customers, who are currently engaged in development and application work [2].
【私募调研记录】重阳投资调研紫光国微、中望软件
Zheng Quan Zhi Xing· 2025-04-25 00:06
Group 1: Ziguang Guowei (紫光国微) - The company is actively building a second growth curve after the change of its controlling shareholder, focusing on special integrated circuits, intelligent security chips, and quartz crystal frequency devices over the next 3-5 years [1] - In 2024, the company plans to acquire two companies to strengthen its automotive controller chip and intelligent security chip businesses, and establish a new company to expand quartz crystal frequency device production [1] - The company is transferring and deregistering some subsidiaries to focus on its core business, with a significant change in orders for special integrated circuits expected in 2025, although gross margins may decline [1] - The company is increasing R&D investment in high-reliability markets and plans to launch more products such as FPGA and memory [1] - A stock buyback plan of 100-200 million yuan is in progress for equity incentives or employee stock ownership plans [1] Group 2: Zhongwang Software (中望软件) - The company primarily provides electrical design software and engineering digital solutions for the energy and power sector [2] Group 3: Institutional Overview - Shanghai Chongyang Investment Management Co., Ltd. was established in 2009 based on Shanghai Chongyang Investment Co., Ltd., founded in 2001, and operates as a limited liability company with a partnership model [3] - The company focuses on managing financial wealth for clients using various standardized financial tools, aiming for sustainable asset growth and becoming a competitive professional asset management firm [3] - Chongyang Investment emphasizes research-driven investment and the importance of a rigorous and scientific investment process [3]
【私募调研记录】呈瑞投资调研紫光国微、安必平等3只个股(附名单)
Zheng Quan Zhi Xing· 2025-04-25 00:06
Group 1: Company Insights - Ziguang Guowei is actively building a second growth curve after the change of its controlling shareholder, focusing on special integrated circuits, intelligent security chips, and quartz crystal frequency devices over the next 3-5 years [1] - The company plans to acquire two firms in 2024 to strengthen its automotive controller chip and intelligent security chip businesses, while also establishing a new company to expand quartz crystal frequency device production [1] - Ziguang Guowei is transferring and deregistering some subsidiaries to concentrate on its core business, with a forecasted significant change in orders for special integrated circuits in 2025, potentially leading to a decrease in gross margin [1] - The company is increasing R&D investment in high-reliability markets and plans to launch more products such as FPGA and memory [1] - Ziguang Guowei intends to repurchase 100-200 million yuan worth of shares for equity incentives or employee stock ownership plans [1] Group 2: AI and Technology Developments - Anbiping is focusing on AI pathology diagnosis, developing an intelligent pathology analysis system to enhance diagnostic accuracy, and has completed multi-center research evaluations for its AI-assisted diagnostic system in collaboration with Tencent ALab [2] - Placo New Materials has launched multiple chip inductor series, gaining validation from several well-known chip manufacturers and is accelerating its mass production and delivery [2] - The company's magnetic powder core products are primarily used in photovoltaic power generation, new energy vehicles, charging piles, data centers, energy storage, communication power supplies, variable frequency air conditioning, power quality rectification, and rail transit [2] Group 3: Institutional Overview - Shanghai Chengrui Investment Management Co., Ltd. was established in May 2010 with a registered capital of 110 million yuan and became a private fund manager in April 2014 [2] - The company focuses on secondary markets and covers major asset allocation strategies, including macro hedging, high-frequency alpha, and CTA strategies, all developed in-house [2] - Chengrui has received multiple industry awards and recognitions, including being ranked among the top private equity firms in China and winning various prestigious awards for its performance [2]