Chapter 5: Low Power Design

Chapter 5: Low Power Design

Low Power Design 5.1 Power Consumption Sources Surge、Static Power Consumption and Dynamic Power Consumption are the three main sources of power consumption. • Surge current refers to the maximum instantaneous input current generated when the device is powered on, and is also known as startup current in applications. • Standby current refers to the current … Read more

Understanding ECUs: How Much Do You Know?

Understanding ECUs: How Much Do You Know?

The ECU, or Electronic Control Unit, can be understood as the vehicle’s computer. It is a microcomputer controller specifically designed for automobiles, consisting of a microprocessor (CPU), memory (ROM, RAM), input/output interfaces (I/O), analog-to-digital converters (A/D), and large-scale integrated circuits for shaping and driving. The working principle of the ECU is to collect various operational … Read more

Automotive Grade Testing of ECUs: DV Testing (Part 10: EMC Standards and Testing – 5)

Automotive Grade Testing of ECUs: DV Testing (Part 10: EMC Standards and Testing - 5)

This article is approximately 5,400 words long, recommended for saving and reading. Author | Zuo Chenggang Produced by | Automotive Electronics and Software Introduction: This article is the tenth piece in the series of articles titled “Automotive Grade Testing of ECUs” (click to view all articles). Continuing from the previous articles, there is a lot … Read more

Functional Safety of Domain Controller ECUs

Functional Safety of Domain Controller ECUs

Translation Functional Safety of Domain Controller (DC) ECUs Original: Functional Safety for Domain Controller (DC) ECUs Translation Review: Lu Ping ➡ (Approximately 3000 words, 10 minutes reading) 01 Functional Safety of Domain Controller (DC) ECUs In this article, we will explore the following aspects: • What is a domain controller? Why are OEMs shifting to … Read more

How to Differentiate Between Automotive ECU Samples A, B, C, and D?

How to Differentiate Between Automotive ECU Samples A, B, C, and D?

Flashing software onto hardware and directly delivering the hardware. This has been a common black-box delivery model in the automotive electronics software industry. At the same time, the main line of the ECU development process is basically centered around sample delivery. Of course, nowadays, with the increasing decoupling of software and hardware, the popularity of … Read more

What Are the Pros and Cons of ECU Tuning? Everything You Need to Know

What Are the Pros and Cons of ECU Tuning? Everything You Need to Know

ECU tuning is one of the most fundamental modifications for enhancing vehicle performance. Almost all hardware modifications related to the engine require ECU remapping to achieve maximum power gains.Especially for turbocharged vehicles, it can be considered a cost-effective performance upgrade.Currently, mainstream turbocharged cars can easily achieve a 10%-20% horsepower increase simply by remapping the ECU … Read more

Discussion on Automotive ECU Testing

Discussion on Automotive ECU Testing

Recent work has required frequent interaction with testing, but I am not an expert in this niche area. Looking at thousands of test cases and a variety of testing devices and tools, along with the complex curves and charts presented by engineers, I found it quite overwhelming and difficult to understand, leading me to deep … Read more

What to Pay Attention to When Tuning ECU for Modified Cars?

What to Pay Attention to When Tuning ECU for Modified Cars?

In this series on “Engine Management”, we will explain some common issues and blind spots encountered by domestic players, aiming to help everyone understand how the ECU program controls the engine’s operation and what modifications should be made to the ECU program after changing the engine’s hardware.Mastering knowledge and scientifically modifying is the only way … Read more

Detailed Insights into Automotive Electronic ECU Bootloader Development

Detailed Insights into Automotive Electronic ECU Bootloader Development

Introduction 1. Functions of the Bootloader 2. How to Establish Reliable Bus Communication? 3. Parsing Programming Files (S19/HEX/BIN) 4. NVM Driver Development 5. Other Key Points in Bootloader Development a. Relationship between Bootloader and Application b. Methods for Jumping from Bootloader to Application c. Knowledge and Debugging Techniques Required for Bootloader Development d. Download Methods … Read more

Don’t Say ECU Tuning Doesn’t Affect Warranty Anymore!

Don't Say ECU Tuning Doesn't Affect Warranty Anymore!

Today, I would like to discuss a topic related to power upgrades and control unit modifications. With many Volkswagen and Audi vehicles available, there are numerous options for power upgrades, including factory upgrades and other sophisticated software-related modifications. In the past, people believed that power upgrades through software flashing would not affect the warranty since … Read more