当你拆开 ECU ，看到里面密密麻麻的元器件时，有时会不会感到困惑、茫然，不知道该从哪里入 手，这是非常正常的。 今天，我们帮助大家认识 ECU 中那些元器件都是怎么工作的，同时帮助大家更顺利地维修 ECU 。此处用于演示的 ECU ，分别取自两辆不同汽车，分别来自于起亚与现代两个品牌。 扫码加我本人微信 以下文章来源于汽车开发圈 ，作者Autocar Star 汽车开发圈 . EEWorld旗下账号，聚焦汽车电子软硬件开发，认真关注技术本身 我是芯片超人花姐，入行20年，有50W+芯片行业粉丝。 有很多不方便公开发公众号的， 关于芯片买卖、关于资 源链接等， 我会分享在朋友圈 。 ECU 的主控 MCU 首先，这是 ECU 的主控制中心 MCU ，采用是英飞凌 TC17xx 系列的 SAK-TC1762- 128F66HLAC 。它起着核心作用，几乎所有与发动机运行相关的数据，以及车辆其他控制系统的 数据，都由它来处理。 具体来说，它主要有五大功能： 第一，读取传感器信号。比如曲轴位置传感器、凸轮轴位置传感器、进气歧管绝对压力传感器（ MAP ）、空气质量流量传感器（ MAF ）、温度传感器，还有氧传感器（ ...

以下文章来源于投资界 ，作者刘博 投资界 . 清科创业旗下创业与投资资讯平台 我是芯片超人花姐，入行20年，有50W+芯片行业粉丝。 有很多不方便公开发公众号的， 关于芯片买卖、关于资 源链接等， 我会分享在朋友圈 。 扫码加我本人微信 赴港上市潮。 投资界获悉，阳光电源公告称，公司拟发行境外上市外资股（H股）股票并申请在香港联合交易所 挂牌上市。 坐落于合肥的阳光电源，背后掌舵者——曹仁贤，早年从合肥工业大学辞职创业，一手创立阳光电 源，如今是一家千亿市值上市公司。在曹仁贤的新能源版图中，还坐拥阳光新能源、阳光氢能两只 独角兽。 这也是中国新能源扬帆出海的一抹缩影——光伏、锂电池、新能源汽车，已成为中国外贸"新三大 件"。我们可以看到，越来越多的中国新能源军团正登上全球舞台，用来自中国的科技创新影响世 界。 01 大学老师辞职下海 执掌2000亿 说起曹仁贤，外界并不陌生。 直到1997年，曹仁贤决定辞去"铁饭碗"工作，开始创业之旅。他凑了50万元作为启动资金，在合 肥市租下一间不足20平米的小房间，成立了阳光电源，正式进军光伏行业。 阳光电源成立初期的日子并不好过，不得不靠一些传统电源产品维持公司经营。直 ...

芯片超人创始人&CEO花姐 围绕着行情复盘、搞流量、流量变现、销售采购管理等大家感兴趣的话题进行了细致分享。此外，还邀请到了 采芯检 测首席执行官CEO吴洪涛（涛哥） 分享丰富的业务经验以及深度行业思考。 2025年行情复盘与展 望 TI、内存涨价，上游产能紧张，大原厂及"双A双W"业绩... 花姐 首先对2025年的芯片行情进行了复盘与展望。今年2、3月春节前后就有分销商业绩翻倍的消息，ADI生意好做，ST价格终于不再倒挂严重 ； 4月 6 月上旬 大家生意都不错，可以说 一路 高歌猛进，但到了6月中突然歇火，一直冷淡到7月底才又有了好起来的迹象。 此外，花姐还分享了最近涨价的 TI 以及 内存芯片 的变化，芯片大厂以及文晔、大联大、安富利、艾睿的财报变化以及背后展示的行情变化。花姐表示 现在 大原厂 和 大代理 都有了确定性复苏，只是芯片产业链很长，要传导至分销商还需要时间。 不做短视频、不写文章， 9月3日， 芯片分销 俱 乐部 2. 0第一场线下沙龙 在深圳成功举办。近百名俱乐部同学齐聚深圳，现场座无虚席，无法赶往现场的同学也通过线 上平台积极参与，实时互动，大家热情高涨，交流氛围热烈。 如何搞流量？ ...

Core Viewpoint - The article discusses the challenges and solutions related to excess inventory of electronic components, emphasizing the need for efficient inventory management and liquidation strategies to minimize financial losses. Group 1: Inventory Management Challenges - A significant amount of obsolete inventory, specifically 100,000 units, incurs monthly storage and capital costs of at least 5,000, leading to a potential loss of 30,000 over six months if not addressed [1] - Companies are struggling with how to handle excess materials that cannot be sold or are difficult to find buyers for [1] Group 2: Sales and Inventory Solutions - "Chip Superman" has served a total of 20,000 users and offers discounted sales to clear inventory, promising transaction completion in as little as half a day [2][10] - The company has a smart warehouse covering 1,600 square meters, with over 1,000 models and a total of 50 million chips in stock, valued at over 100 million [9] - The company also operates an independent laboratory in Shenzhen, ensuring quality control for each component [9] Group 3: Product Listings - A variety of electronic components are listed for sale, including models from brands like ST, Microchip, and TI, with quantities ranging from 60 to 170,000 units [6][7] - There is also a request for specific components, indicating ongoing demand for certain models [8]

Group 1 - The company "Chip Superman" operates a 1600 square meter intelligent chip storage base with over 1000 stock models and more than 100 brands, holding a total of 50 million chips valued at over 100 million [1] - The company has an independent laboratory in Shenzhen where each material undergoes QC inspection [1] Group 2 - The company is offering discounted sales on various advantageous materials, including a range of NXP and ST products with quantities and years specified [2] - Specific models available for sale include NXP LPC2214FBD144/01,5 (120 units, 2017) and ST STM32F401CBU6 (4680 units) among others [2] Group 3 - The company is actively seeking to purchase specific components, including ST STM32F051K6U7 (80K units) and SKYWORKS SE5004L-R (20K units) [3] - Additional sought-after components include ST LIS3MDLTR (80K units) and TI TLV9051IDBVR (180K units) [4] Group 4 - The company has served a cumulative total of 20,000 users and can complete transactions within half a day [4] - The company promotes a mini-program for factory surplus materials, indicating a focus on inventory management and sales [5]

Core Viewpoint - The article discusses the aggressive acquisition strategy of the domestic analog chip manufacturer, Jingfeng Mingyuan, which plans to acquire the loss-making wireless charging chip company, Yichong Technology, for 3.283 billion RMB (approximately 457 million USD), representing a premium of 260% over its market value. This move is part of Jingfeng Mingyuan's broader strategy to expand its product portfolio and enhance competitiveness despite facing financial losses in recent years [3][20]. Group 1: Acquisition Strategy - Since its establishment in 2008, Jingfeng Mingyuan has been actively pursuing acquisitions, with four notable deals since 2020, including the planned acquisition of Yichong Technology [4][5]. - The acquisition amounts have increased significantly over the years, indicating a growing ambition to strengthen the company's market position [5][6]. - The founder, Hu Liqiang, has emphasized that acquisitions are essential for growth and will continue to be pursued based on strategic needs [5][6]. Group 2: Financial Performance - Jingfeng Mingyuan has faced financial challenges, reporting net losses of 206 million RMB, 91 million RMB, and 33 million RMB from 2022 to 2024, respectively [21][22]. - Despite the losses, the company achieved a revenue of 1.503 billion RMB in 2024, a year-on-year increase of 15.38%, although it still reported a net loss [22][23]. - The company's R&D expenses increased significantly, reaching 400 million RMB in 2024, which contributed to the ongoing losses [22][23]. Group 3: Market Position and Challenges - Jingfeng Mingyuan's revenue from LED lighting driver chips decreased from 72.3% in 2023 to 57.76% in 2024, reflecting increased competition and price declines in the market [18][19]. - The company is diversifying into AC/DC power chips and motor control chips, which are seen as new growth areas, with AC/DC revenue increasing by 39.64% in 2024 [18][19]. - The competitive landscape in the analog chip industry is intensifying, with many companies pursuing similar acquisition strategies to enhance their product offerings [29].

EEWorld旗下账号，聚焦汽车电子软硬件开发，认真关注技术本身 以下文章来源于汽车开发圈 ，作者Ingineerix 汽车开发圈 . 关键部件解析 首先， 逆变器 部分 设计更为紧凑、规则，呈长方形，而非旧款的不规则形状 ， 采用了一体化铸 造，高压和数据连接器都被模压在位。此外，逆变器集成了一个新的冷却器组件，该组件通过搅拌 摩擦焊接技术将多个部分连接成一个整体，这是一种优化材料和紧固件使用的创新方法。 我是芯片超人花姐，入行20年，有50W+芯片行业粉丝。 有很多不方便公开发公众号的， 关于芯片买卖、关于资 源链接等， 我会分享在朋友圈 。 欢迎大家关注本次对特斯拉第四代驱动单元的拆解分析。 这一全新的驱动单元据信产自德克萨斯超级工厂，目前应用于 Model Y 的后部驱动，同时也可直 接安装在 Model 3 的后排位置。它是 2017 年发布的 Model 3 后驱单元（ PM SRM 驱动单元） 的演进版本，在继承前代优势的基础上进行了诸多优化。 整体结构与布局 从整体来看，第四代驱动单元的总体布局与前代保持一致，但在细节上进行了全面优化，整体更为 紧凑。其主要组成部分包括逆变器、冷却系统、油泵、 ...

Core Insights - The article highlights the capabilities and inventory of Chip Superman, which operates a 1,600 square meter smart warehouse with over 1,000 stock models and a total inventory of 50 million chips valued at over 100 million [1] Group 1: Inventory and Offerings - Chip Superman has a diverse inventory with over 100 brands and a total weight of 10 tons [1] - The company is actively seeking to purchase specific chip models, indicating a demand for components such as STM32F051K6U7 and TLV9051IDBVR in large quantities [2] - There are special offers on advantageous materials, including various models from brands like Infineon and Nexperia, with quantities ranging from 240 to 72,500 [3][4] Group 2: Customer Engagement and Services - Chip Superman has served 20,000 users and offers quick transaction completion, often within half a day [5] - The company encourages users to explore its platform for factory surplus materials, indicating a focus on facilitating sales and inventory turnover [7]

Core Viewpoint - The article discusses the unexpected price surge of DDR4 memory chips, driven by the decision of major manufacturers like Samsung and SK Hynix to extend DDR4 production due to its higher market price compared to DDR5, despite DDR5's superior performance and efficiency [3][4][5]. Group 1: Market Dynamics - Samsung and SK Hynix have decided to extend DDR4 production into next year, reversing earlier plans to phase it out, due to sustained high prices for DDR4 [3][4]. - The price of DDR4 has surpassed that of DDR5, with the price difference increasing from $7.01 for DDR4 to $8.59 by August, indicating a significant market shift [5]. - The rise in DDR4 prices is attributed to a supply shortage caused by a shift in production focus towards high-bandwidth memory (HBM), which consumes three times the wafers compared to standard DRAM [5][6]. Group 2: Demand Factors - There remains a portion of demand for DDR4, particularly from AI data centers, which has contributed to its price increase [6]. - Despite DDR5's advantages, the current market conditions have led to a temporary demand shift back to DDR4, reminiscent of past transitions between memory generations [6][7]. - The overall demand for DDR4 has been influenced by speculative buying and stockpiling behavior in the market, particularly following announcements of production halts by major manufacturers [7][8]. Group 3: Price Trends - DDR4 prices began to rise significantly from February and March, with Samsung experiencing the largest increases, and by May, prices had doubled compared to March [7]. - Following the announcement of production halts, prices for some DDR4 models surged by 150% to 400%, leading to a frenzied market environment [7]. - By July, the market stabilized with most DDR4 models ceasing to rise sharply, although some specific models still experienced price increases due to shortages [8].

Core Insights - The company "Chip Superman" operates a 1,600 square meter smart warehouse for chips, with over 1,000 stock models and around 100 brands, totaling 50 million chips valued at over 100 million [1] Group 1: Inventory and Services - The current inventory includes 50 million chips with a total weight of 10 tons and a value exceeding 100 million [1] - The company has served 20,000 users and can complete transactions in as little as half a day [4] - The company has an independent laboratory in Shenzhen where each material undergoes QC inspection [1] Group 2: Procurement and Sales - The company is seeking to purchase specific chip models, including 80,000 units of STM32F051K6U7 and LMV321LILT, and 20,000 units of SE5004L-R [2] - There are special offers on advantageous materials, such as 3,000 units of LTM9006IY-14PBF from ADI [3] Group 3: Online Presence - The company has an online platform for users to browse and purchase excess inventory [6][7]