How to improve the architecture of Automobile Open System

Since its establishment in 2003, AUTOSAR (Automotive open system architecture) alliance has been committed to changing the design of on-board network and electronic control unit (ECU). AUTOSAR is an original equipment manufacturer (OEM) and its primary suppliers provide an industry standard method to design and develop ECUs located in modern vehicle centers. This standard will […]

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The flake ferrite magnetic beads working at 175 ° C in Murata Manufacturing Institute will be mass produced in December

Murata manufacturing office of Co., Ltd. (hereinafter referred to as the company) commercialized the sheet ferrite magnetic beads “blm18kn_eh series” (hereinafter referred to as the product) of vehicle silencing elements that can work at 175 ° C high temperature, and began mass production from December 2020. In recent years, the electronization of automobile has made […]

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Lin communication bus standard and mixed signal semiconductor technology improve vehicle maintenance performance and reliability

The increasing importance of electronic products in automobiles has led to the increasing demand for low-cost and high reliability sensors and transmission devices. These devices do not exist independently, but must communicate with the main electronic control unit (ECU) of the system. In the past, sensor / transmission communication usually used one-way analog signal, and […]

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Working principle of rail pressure sensor

The following will introduce the function, working principle, fault phenomenon and diagnosis method of the rail pressure sensor. If you encounter rail pressure sensor failure in maintenance, you can try the following measurement methods. The function of the fuel rail pressure sensor is to measure the real-time pressure of the fuel in the fuel rail […]

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What is automobile ECU? How does ECU work

If the engine is compared to the “heart” of the car, then the “brain” of the car should be ECU. What is ECU? How does ECU work? This paper analyzes in detail. What is ECU? ECU has two full names, namely engine control unit and electronic control unit. It is not difficult to see that […]

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Nju7890, a new high voltage monitoring IC developed by Nippon wireless, can directly detect 1000V high voltage with simple and high precision, reducing the actual installation area by 90%

Nju7890, a high voltage monitoring IC developed by Nippon wireless, has entered the mass production stage. The IC can detect DC 1000V voltage and output with high precision. [summary] The inverter and battery, which are essential to the environment-friendly new energy vehicles such as hybrid electric vehicles and electric vehicles, often require miniaturization and high […]

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Will high power vehicle be replaced by low power vehicle?

In order to lower the price of entry-level products, automobile manufacturers often make low-power models and high-power models. This is the result of adjusting the ECU of automobile computer. In other words, the manufacturer will make two sets of programs for an engine, one for high-power version and the other for low-power version. Some friends […]

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