telos Systementwicklung GmbH
German engineering firm developing embedded systems, I2C interface tools and custom hardware/software since 1988.
Last updated September 29, 2026
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Overview
telos Systementwicklung GmbH is a German engineering company based in Hamburg that has been developing microcontroller-based hardware, embedded software, PC-based drivers and applications since the mid-1980s. The company was founded in 1988 and has held ISO 9001 certification since 1997. Its team combines software design specialists with experts in smartcard applications, industrial automation and related fields, and the firm positions itself as a system-level partner able to work across hardware, software, prototype development, FPGA design, field bus integration and testing without barriers between disciplines. telos operates as a consulting and development partner, offering outsourcing services to external companies across several business fields. Its service portfolio includes industrial automation, automotive electronics, OBD-II diagnostics, digital signal processing, surround sound formats and DTS encoding. The company emphasizes quality assurance in security-critical areas such as identification devices and safety equipment, and its staff consists preferably of university graduates in computer science, data processing and electronic technology. On the product side, telos is known for its I2C interface tools and accessories. Flagship offerings include the telos Connii MM 2.0, a USB-based I2C Fast Mode interface and I2C Multimaster; the telos Tracii XL 2.0, a robust industrial high-end I2C interface supporting Multimaster, Slave, Tracer and Oscilloscope modes with transfer speeds from 20 bit/s to 3.33 Mbit/s; the telos I2C Negative Tester for pattern generation and stress testing; and accessories such as the telos Levii I2C level shifter and telos Optii galvanic isolation/level shifter. These products are aimed at engineers and industrial customers rather than private individuals. telos sells primarily to industrial customers and does not deliver to private individuals. The company also occasionally offers remaining goods from closed projects through its website, shipped EXW Hamburg, Germany. While the company is not publicly listed and operates as a private entity, it maintains a strong reputation in the embedded systems and I2C tooling niche, serving clients who require custom development and reliable interface hardware.
History
telos Systementwicklung GmbH traces its origins to the mid-1980s, when it began developing microcontroller-based hardware and embedded software as well as PC-based drivers and applications. The company was formally founded in 1988, as indicated by its official website tagline "founded '88". In 1997, telos achieved ISO 9001 certification, underscoring its commitment to quality management in hardware and software development processes. Over the years, telos extended its activities beyond its initial focus. It built a team that includes software design specialists and experts in smartcard applications and industrial automation systems. The company's strength lies in working at a system level, integrating hardware, software, prototype development, FPGA design, field bus integration and testing without barriers between disciplines. This holistic approach allowed telos to offer outsourcing services to external companies across various business fields. By the 2000s, telos had established itself as a consulting and development partner with more than 20 years of experience in custom development projects. Its service portfolio grew to include industrial automation, automotive electronics, OBD-II diagnostics, digital signal processing, surround sound formats and DTS encoding. The company also developed its own line of I2C interface products, including the Connii MM 2.0, Tracii XL 2.0, I2C Negative Tester, Levii and Optii, which are used by engineers for testing and development. Today, telos continues to operate from Hamburg, Germany, serving industrial customers with embedded systems and I2C tools. It maintains a focus on security-critical areas such as identification devices and safety equipment, and it emphasizes quality assurance and up-to-date technical know-how. The company remains privately held and is not listed on any stock exchange.
- 1997
Achieved ISO 9001 certification.
- 1988
telos Systementwicklung GmbH founded.
Developed and launched I2C interface products including Connii MM 2.0 and Tracii XL 2.0.
Products and positioning
System-level engineering partner for embedded hardware and software, specializing in I2C tools and custom development for industrial and automotive clients.
telos Connii MM 2.0
I2C Fast Mode Interface for USB, I2C Multimaster. Small, easy-to-use USB-based Multimaster. Simple I2C Monitor, up to 400kHz. I2C bitrates: 100 kbit/s and ~ 300 kbit/s. I2C buses operating at a range of 1.8 V – 5.5 V. Powerful .Net, C, C++, Python I2C-API.
telos Tracii XL 2.0
I2C High Speed Interface for USB. Robust industrial high-end I2C Interface. I2C modes: Multimaster, Slave, Tracer and Oscilloscope. I2C transfer speed of 20 bit/s to 3.33 Mbit/s. USB 2.0 High-Speed. Powerful .Net, C, C++, Python I2C-API.
telos I2C Negative Tester
I2C Master and Slave Test Device. Pattern generator for legal/illegal I2C messages. Configurable I2C timing on bit level. Stress test I2C devices. Powerful .Net, C, C++, Python I2C-API.
telos Levii
I2C Level Shifter. Full bi-directional level shifting including stretching and Multimaster arbitration. Four channels: SDA, SCL plus two additional bi-directional pins. I2C range of 1.8 V up to 5.5 V.
telos Optii
I2C Galvanic Isolation/Level Shifter. Galvanic isolation for the I2C bus. Integrated level shifter for voltages between 1.5 V and 5.5 V. Support for uni-directional test pins which are also isolated.
Sources5 sources
- 1telos Systementwicklung GmbH - telos · founded '88 | ISO 9001 since '97telos.info
- 2Services - telos · founded '88 | ISO 9001 since '97telos.info
- 3Products - telos · founded '88 | ISO 9001 since '97telos.info
- 4Odds and ends - telos · founded '88 | ISO 9001 since '97telos.info
- 5telos Systementwicklung GmbH - Wikidatawikidata.org
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