7 Automotive ECU Manufacturers in 2024
This section provides an overview for automotive ecus as well as their applications and principles. Also, please take a look at the list of 7 automotive ecu manufacturers and their company rankings. Here are the top-ranked automotive ecu companies as of November, 2024: 1.DENSO TEN Limited, 2.Bosch Mobility, 3.SHINDENGEN ELECTRIC MANUFACTURING CO., LTD..
Table of Contents
What Is an Automotive ECU?
An automotive ECU, or Electronic Control Unit, is a device that electronically controls various functions of an automobile. Initially developed for engine control to meet emission regulations, ECUs have evolved to manage multiple systems like the transmission, brakes, power steering, and airbags. Modern vehicles can have between 50 and 100 ECUs installed.
Uses of Automotive ECUs
Automotive ECUs are used for a variety of applications, each tailored to specific vehicle functions, including:
- Engine Control: Manage fuel injection and ignition timing.
- Hybrid Control: Optimize the use of the engine and motor in hybrid vehicles.
- Transmission Control: Facilitate gear shifting in vehicles with multiple gear ratios.
- Power Steering Control: Assist in steering by reducing the force needed to turn the steering wheel.
- Airbags: Deploy airbags based on the impact level in a collision.
- Advanced Driver Assistance System: Support functions like collision damage reduction braking, distance control, and software updates via wireless communication.
Principle of Automotive ECUs
Automotive ECUs interact with various sensors using on-off signals, analog signals, and serial communications like CAN (Controller Area Network), LIN (Local Interconnect Network), and SENT (Single Edge Nibble Transmission).
- CAN: Reduces the need for extensive wiring by allowing multiple ECUs to share information through a few harnesses. It uses a CSMA/CA mechanism to manage data priority and avoid collisions.
- LIN: Suitable for body control systems where high-speed communication isn't necessary, using a master-slave system for data transmission.
- SENT: Handles high-precision analog signals and is faster than LIN, used in applications like electric power steering and engine control.
Structure of Automotive ECUs
Automotive ECUs are composed of a microcontroller, peripheral devices, and communication modules. Signals from various sensors, such as cameras, millimeter-wave radar, ultrasonic sensors, and LiDAR, are processed by the ECU, which then sends appropriate commands to the vehicle's actuators.
List of 7 Automotive ECU Manufacturers
*Including some distributors, etc.
Sort by Features
- Default
- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
Sort by Area
- Germany
- Japan
- Taiwan
- United Kingdom
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Transtron Inc.
Diesel Engine ECU
Manufacturer Overview
Transtron Inc. is a manufacturer of control units and in-vehicle information systems headquartered in Yokohama, Japan and established in 1990 as a joint venture between Fujitsu Limited and Isuzu Motors Limited. The company’s products are used for controlling vehicle functions, logging performance data, and supporting in-vehicle features such as navigation or safety diagnostics. It also offers vehicle networking systems that can connect vehicles either with each other or external networks, and sensors that can detect vehicle height or acceleration. The company serves clients in the industrial, transportation, and automotive sectors.
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SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.
ECUs
Manufacturer Overview
SHINDENGEN ELECTRIC MANUFACTURING CO., LTD. (SEM) is a Japanese manufacturer of semiconductors and power system products that was established in Chiyoda-ku, Tokyo in 1949. The company primarily produces power management electronics such as engine control units (ECUs) and DC/DC converters, charge infrastructure products including inverters and power conditioners, and semiconductor models such as thyristors and MOSFETS. SEM products are used in various high-tech applications, including in telecommunications base stations and electric vehicles. The company serves clients in automotives, home appliances, telecommunications, and energy production.
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DENSO TEN Limited
Engine Control ECU
Manufacturer Overview
DENSO TEN Limited, founded in 1972 and headquartered in Kobe, Hyogo, Japan, is a manufacturer and supplier of car audio systems. The company's product range includes video playback and recording devices, advanced navigation units, comprehensive control systems, and safety-enhancing technologies. These products are ideal in advanced in-car entertainment, navigational accuracy, and seamless vehicle controls. The company primarily serves the automotive, entertainment, safety, and technology sectors. Beyond its main manufacturing, it also engages in research and development, global market expansion, environmental conservation initiatives, and social welfare contributions.
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Murata Manufacturing Co., Ltd.
Engine ECU
Manufacturer Overview
Murata Manufacturing Co., Ltd. (Murata Manufacturing) was founded in 1944 and is headquartered in Nagaokakyo, Japan. Murata Manufacturing designs, manufactures, and sells ceramic-based passive electronic components and solutions globally. The company operates through components, modules, and others segments, serving communications, mobility, industrial, healthcare, and personal electronics customers. They company's product offerings include noise suppression products, quartz devices,RFID devices, phase shifters, and wireless connectivity platforms. Services such as webinars and video library are also available for existing and potential customers alike.
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Embed Ltd.
Automotive ECUs
Manufacturer Overview
Embed Ltd., founded in 2005 and headquartered in Coventry, United Kingdom, is a developer and manufacturer of automotive embedded software and electronic products. The company, an authorized partner of STMicroelectronics, provides automotive embedded systems, UDS cyber-secure bootloaders, electronic control units (ECUs), and controllers. It also designs and develops the sound drivers, touch panels, screen interface programming, and network connections that are required to make embedded GUIs. The company designs a complete automotive SPICE and ISO-26262 development process. Clients can then decide to handle the entire development process or seek the company's manufacturing and consultancy services.
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First International Computer Inc
ECU
Company Overview
First International Computer Inc, established in 1979 by Dr. Ming-J Chien & Mrs. Charlene Wong in Taipei, Taiwan, is a manufacturer and supplier of automotive electronics and smart building automation solutions. The company's product range includes Smart Traffic systems, Smart Building automation, Smart Farming tools, Smart Energy solutions, and Solar Energy services. These products are used in urban planning and the automotive sector. Industries such as transportation, energy, and automotive benefit from these solutions. In addition to its product offerings, the company provides services in engineering, system integration, supply chain management, and electronic manufacturing.
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Automotive ECU Manufacturer Ranking
*Including some distributors, etc.Ranking as of November 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | DENSO TEN Limited |
23.8%
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| 2 | Bosch Mobility |
20.2%
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| 3 | SHINDENGEN ELECTRIC MANUFACTURING CO., LTD. |
14.8%
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| 4 | Embed Ltd. |
12.5%
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| 5 | Transtron Inc. |
11.8%
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| 6 | Murata Manufacturing Co., Ltd. |
10.1%
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| 7 | First International Computer Inc |
6.8%
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Derivation Method
The ranking is calculated based on the click share within the automotive ecu page as of November 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
- Murata Manufacturing Co., Ltd.: 77,581
- DENSO TEN Limited: 9,953
- SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.: 5,268
Newly Established Company
- Transtron Inc.: 1990 (34 years ago)
- SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.: 1949 (75 years ago)
- Murata Manufacturing Co., Ltd.: 1944 (80 years ago)
Company with a History
- Murata Manufacturing Co., Ltd.: 1944 (80 years ago)
- SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.: 1949 (75 years ago)
- Transtron Inc.: 1990 (34 years ago)
Global Distribution of Automotive ECU Manufacturers by Country
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
Japan
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4 | 57.1% |
United Kingdom
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1 | 14.3% |
Taiwan
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1 | 14.3% |
Germany
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1 | 14.3% |
List of Automotive ECU Products
1 product is listed.
SAGAMI ELEC CO., LTD.
In -vehicle Palstrans VERS1160B
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