As vehicles become increasingly complex, the need to access and interpret onboard diagnostic data is more critical than ever. Enter the Obd2 Ic, a fundamental component for anyone working with vehicle diagnostics, telematics, or automotive data analysis. At the heart of efficient OBD-II communication lies the interpreter IC, and the STN1110 stands out as a powerful, compact, and cost-effective solution.
While OBD Solutions recommends considering the STN2100 for new projects, the STN1110 remains a robust OBD2 interpreter IC, renowned for its performance and versatility. It serves as a bridge between your application and the intricate world of vehicle data, offering seamless access to diagnostic trouble codes, emission readiness status, VIN, and a wealth of real-time parameters. This OBD2 IC is engineered to simplify the complexities of OBD-II protocols, making vehicle data accessible for a wide range of applications.
STN1110 OBD2 Interpreter IC Chip – Compact and Efficient
Unmatched Performance of this OBD2 IC
The STN1110 OBD2 IC is built for speed and efficiency. Featuring a modern 16-bit processor, it significantly outperforms older generation chips like the ELM327 in processing power and memory. This enhanced hardware translates directly into superior data throughput, allowing you to retrieve vehicle information much faster.
- Superior Hardware: Equipped with a cutting-edge 16-bit processor, the STN1110 operates at speeds several times faster than comparable OBD2 ICs, ensuring rapid data processing. It also boasts significantly larger flash program memory and RAM for handling complex tasks and larger data sets.
- Exceptional Data Throughput: Experience data acquisition speeds up to twice as fast as competing OBD2 ICs. The STN1110 delivers more data points per second, crucial for real-time monitoring and demanding applications.
- High-Speed UART Communication: Supporting UART baud rates up to 10Mbps, this OBD2 IC offers communication speeds 20 times faster than the quickest OBD protocol itself. This ensures no data bottlenecks and efficient data transfer to your host system.
Key Features of the STN1110 OBD2 IC
The STN1110 OBD2 IC is packed with features designed to enhance functionality, reliability, and ease of use in various automotive applications.
- Secure Bootloader for Firmware Updates: Benefit from a robust and secure bootloader that allows for field firmware reflashing. This critical feature enables updates and improvements even over unreliable connections, minimizing the risk of product recalls and ensuring your OBD2 IC remains up-to-date.
- ELM327 Command Set Compatibility: The STN1110 is fully compatible with the widely adopted ELM327 command set. This ensures seamless integration with a vast ecosystem of existing software applications and tools designed for ELM327, making it a versatile OBD2 IC choice.
- Extended “ST” Command Set for Advanced Features: Unlock enhanced functionality beyond the standard ELM327 commands with the extended “ST” command set. This provides access to advanced features and customization options without sacrificing compatibility, giving developers greater control over their OBD2 IC interactions.
- PowerSave Mode for Low Power Applications: Implement power-sensitive designs with the integrated PowerSave mode. Multiple sleep and wakeup triggers allow for ultra-low power consumption when the vehicle is off, making the STN1110 OBD2 IC ideal for permanent in-vehicle installations and battery-powered devices.
- Versatile Form Factors: The STN1110 OBD2 IC is available in SPDIP, SOIC, and QFN packages, providing flexible integration options to suit diverse application requirements and PCB designs.
Broad Protocol Support for Comprehensive OBD2 Compatibility
This multiprotocol OBD2 IC supports all legislated OBD-II protocols, ensuring compatibility with a wide range of vehicles across different manufacturers and regions.
- Legislated OBD-II Protocols:
- ISO 15765-4 (CAN): The Controller Area Network protocol, prevalent in modern vehicles.
- ISO 14230-4 (Keyword Protocol 2000): Common in many vehicles, particularly European models.
- ISO 9141-2: Used in Asian, European, and Chrysler vehicles.
- SAE J1850 VPW (Variable Pulse Width): Primarily used in GM vehicles.
- SAE J1850 PWM (Pulse Width Modulation): Found in Ford vehicles.
- Non-Legislated OBD Protocols:
- ISO 15765
- ISO 11898 (raw CAN)
- SAE J1939 OBD Protocol: Support for heavy-duty vehicle diagnostics using the SAE J1939 standard.
Unwavering Stability and Reliability
The STN1110 OBD2 IC is built on a foundation of robust software and hardware, ensuring dependable performance in demanding automotive environments.
- Field-Tested Software: The STN1110 runs the same proven and reliable firmware that powers the OBDLink family of professional-grade OBD interfaces. This mature codebase has been rigorously tested and validated by a large user community, guaranteeing stability and accuracy.
- Large OBD Message Buffer: Equipped with significantly more RAM than competing OBD2 ICs, the STN1110 virtually eliminates buffer overflow errors. This robust buffer capacity ensures reliable data handling, even under heavy OBD communication loads.
- Intelligent Automatic Protocol Detection: The STN1110 incorporates a refined automatic protocol detection algorithm. Continuously optimized through real-world usage, this algorithm ensures connection to the widest range of vehicles, including those with partial OBD standard compliance, maximizing compatibility for this OBD2 IC.
PowerSave Sleep/Wakeup Functionality for OBD2 IC
The STN11xx family, including the STN1110 OBD2 IC, offers advanced PowerSave features to minimize battery drain in permanent vehicle installations. Various triggers are available to control sleep and wakeup cycles, optimizing power consumption based on application needs. Refer to the STN11xx PowerSave Functionality documentation for detailed information on configuring these features.
Cost-Effective OBD2 IC Solution
The STN1110 OBD2 IC offers exceptional value, delivering premium performance and features at a competitive price point.
- Significant Cost Savings: Realize savings of up to 200% compared to alternative OBD2 IC solutions, making the STN1110 a highly economical choice for volume production.
- Volume Discounts Available: Benefit from generous volume discounts, further reducing the cost per unit for larger deployments. See current pricing tiers for detailed volume pricing information.
- Request Free Samples: Evaluate the STN1110 OBD2 IC firsthand in your application by requesting free samples.
Resources and Downloads
Explore the comprehensive documentation and resources available for the STN1110 OBD2 IC:
STN1110 Datasheet
STN1100 Family Reference and Programming Manual
STN11xx PowerSave Functionality
STN1110 Press Release
Firmware Update Specification for Devices with STN Bootloader
STN1110 vs. ELM327 Comparison
Open Hardware Projects Utilizing this OBD2 IC
Discover open-source hardware projects that leverage the STN1110 OBD2 IC:
Arduino Vehicle OBD2 Shield (Kostas Sigalas/Sigalabs)
Sparkfun OBD-II UART board — PCB files in Cadsoft Eagle format
STN1110 Bluetooth OBD-II Adapter (Andy Honecker) — PCB files in Altium format
STN1110 Bluetooth OBD-II Adapter (Nabil Tewolde) — PCB files in Cadsoft Eagle format
Tutorials for Getting Started with OBD2 IC
Jumpstart your development with these helpful tutorials for the STN1110 OBD2 IC:
In conclusion, the STN1110 OBD2 IC offers a powerful, cost-effective, and feature-rich solution for accessing vehicle data. While the STN2100 is recommended for new designs, the STN1110 remains a highly capable and supported interpreter IC for a wide range of OBD-II applications.
