Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

1. What is the basic working principle of the CAN bus? The CAN bus is a multi-master serial communication protocol primarily used in automotive and industrial control. It transmits data through differential signals (CAN_H and CAN_L) and has a high anti-interference capability. The CAN bus employs a non-destructive bit arbitration mechanism to ensure that high-priority … Read more

Automotive Industry Automation Solutions: Bumper Injection Molding

Automotive Industry Automation Solutions: Bumper Injection Molding

Based on the Market, Moving Towards the Future △Main Global Customers of Bumpers After decades of exploration and development, the large automotive decorative parts injection molding system has become an important part of the product system of Haitian Company and is widely used by major global automotive brand suppliers. In the future, Haitian will continue … Read more

Upgrading ECU and Turbo Boost for More Horsepower: Don’t Forget the Fuel Injectors

Upgrading ECU and Turbo Boost for More Horsepower: Don't Forget the Fuel Injectors

Author / Crab Claw Facing Heaven The Working Principle of Fuel Injectors in Most Vehicles During the period when fuel injection is needed, the valve body inside the injector is lifted under the control of electromagnetic force, opening the oil path between the internal high-pressure fuel and the nozzle, allowing high-pressure fuel to spray out … Read more

How Many CAN Channels Does an ECU Need? Should It Support Sleep Wake-Up?

How Many CAN Channels Does an ECU Need? Should It Support Sleep Wake-Up?

Source | Chip Xiao Er’s Afternoon Tea Knowledge Circle | Entering the Camera Lens/Module/CMOS Chip Group, Add WeChat yijijuechen2023 As a widely used communication bus between automotive ECUs, CAN has some fundamental questions related to its application, such as Since it is a bus, why aren’t all connected together, and why are so many CAN … Read more

Comprehensive Analysis of Domestic Automotive Chips

Comprehensive Analysis of Domestic Automotive Chips

1. Understanding Automotive Chips According to their functions, automotive-grade chips can be categorized into four types: computing and control chips, power chips, sensor chips, and others. Computing and control chips mainly consist of microcontrollers and logic ICs, primarily used for calculation, analysis, and decision-making; power chips mainly convert electrical energy and control circuits; sensor chips … Read more

From Consumer Grade to Aerospace Grade: Differences in Chips

From Consumer Grade to Aerospace Grade: Differences in Chips

Source: Eefocus Original Author: Liu Haoran Editor’s Note ✦ Chips with higher grade specifications can withstand a wider temperature range, and correspondingly, the difficulty of chip manufacturing increases. Among various chips, why can only a portion achieve military-grade standards? ✦ ✦ As the core of all electronic products, chips have become an indispensable part of … Read more

Understanding Automotive Operating Systems

Understanding Automotive Operating Systems

On February 18, the Software Branch of the China Automobile Industry Association (hereinafter referred to as the Software Branch) released the open-source plan for automotive operating systems in China (hereinafter referred to as the open-source plan). PwC, in conjunction with member units of the Software Branch such as FAW, Dongfeng, Changan, China Automotive Innovation, China … Read more

Advancing Towards Automotive Zero Prototyping: Integrating Offline and Driver-in-the-Loop HiL Testing in Real-Time Simulation Environments

Advancing Towards Automotive Zero Prototyping: Integrating Offline and Driver-in-the-Loop HiL Testing in Real-Time Simulation Environments

Today’s vehicle manufacturing has become extremely complex due to the diversity of electronic devices, software, and sensors. Additionally, many subsystems are not developed by the vehicle manufacturers themselves. Therefore, OEMs and suppliers face challenges in collaborative development. In this free webinar, Guanglei Zhou from VI-grade will showcase how Hardware-in-the-Loop (HiL) testing can assist OEMs in … Read more

In-Depth Explanation of Automotive Grade Chips

In-Depth Explanation of Automotive Grade Chips

Today, I am sharing an article explaining automotive-grade chips. The article is quite long, so you can save it for a slow read. What is Automotive Grade (commonly referred to as automotive-grade)? It is consistent reliability. The moment the car engine starts, it must work in the scorching heat of summer and the freezing cold … Read more

Industry’s Smallest Package and High PSRR Enable Compact Automotive Camera Modules

Industry's Smallest Package and High PSRR Enable Compact Automotive Camera Modules

The industry’s smallest package contributes to the miniaturization of camera modules. The S-19255 series is the industry’s smallest package, utilizing a 1.0 mm square HSNT-4 (1010) B. The HSNT-4(1010)B package with external pins facilitates installation, ensures high mounting strength, and allows for automated visual inspection after installation. With the growing popularity of Advanced Driver Assistance … Read more