The Stn1110 Obd2 Scanner IC stands as a remarkably small and cost-effective multiprotocol interpreter, designed to effortlessly bridge the gap between your applications and vehicle data. While OBD Solutions recommends considering the STN2100 for new projects, the STN1110 remains a robust solution for accessing crucial vehicle information. This includes everything from diagnostic trouble codes and MIL status to VIN, Inspection and Maintenance (I/M) data, In-use Performance Tracking (IPT), and a wealth of real-time parameters. Notably, the STN1110 ensures seamless compatibility with existing systems by fully supporting the ELM327 command set, all while delivering superior performance, stability, and an expanded feature set compared to the original ELM327 IC.
Unmatched Performance for OBD2 Data Processing
The STN1110 OBD2 scanner IC is engineered for top-tier performance.
- Advanced Hardware: At its core, the STN1110 utilizes a cutting-edge 16-bit processor. This modern architecture significantly outperforms competitors, boasting faster processing speeds and ample flash program memory and RAM.
- Exceptional Data Throughput: Experience data acquisition like never before. The STN1110 delivers up to twice the data throughput of competing solutions, providing more samples per second for demanding applications.
- High-Speed UART Communication: With UART baud rates reaching up to 10Mbps, the STN1110 offers communication speeds 20 times faster than the quickest OBD protocols, ensuring rapid data transfer.
Key Features of the STN1110 OBD2 Scanner IC
Despite its compact size, the STN1110 is packed with features to enhance your OBD2 scanner development.
- Secure Bootloader for Firmware Updates: The integrated safe and secure bootloader allows for effortless firmware reflashing in the field. This crucial feature minimizes the risk of product recalls, even when updates are performed over unreliable connections.
- Full ELM327 Command Set Compatibility: Enjoy out-of-the-box compatibility with a vast ecosystem of existing software applications thanks to complete support for the widely adopted ELM327 command set.
- Enhanced Functionality with Extended “ST” Commands: Unlock advanced features without sacrificing compatibility. The extended “ST” command set provides access to functionalities beyond the standard ELM327 commands.
- PowerSave Mode for Low Energy Consumption: Ideal for permanent in-vehicle installations, the PowerSave mode with multiple sleep and wakeup triggers ensures minimal battery drain. Devices incorporating the STN1110 can remain connected for extended periods without concern for battery life.
- Versatile Form Factor Options: The STN1110 is available in SPDIP, SOIC, and QFN packages, providing the perfect form factor to suit a wide range of application needs.
Comprehensive OBD2 Protocol Support
The STN1110 OBD2 scanner IC supports all legislated OBD-II protocols, ensuring broad vehicle compatibility:
- ISO 15765-4 (CAN)
- ISO 14230-4 (Keyword Protocol 2000)
- ISO 9141-2 (Asian, European, Chrysler vehicles)
- SAE J1850 VPW (GM vehicles)
- SAE J1850 PWM (Ford vehicles)
Furthermore, it extends support to non-legislated OBD protocols:
- ISO 15765
- ISO 11898 (raw CAN)
- SAE J1939 OBD protocol for heavy-duty vehicles
Unwavering Stability and Reliability
Stability is paramount in automotive applications, and the STN1110 OBD2 scanner IC delivers:
- Proven Software: Built upon the same robust and field-tested software foundation that powers the acclaimed OBDLink family of PC-based OBD interfaces. The extensive user base ensures rapid identification and resolution of any potential issues.
- Large OBD Message Buffer: Equipped with over five times more RAM than its closest competitor, the STN1110 virtually eliminates buffer overflow errors, ensuring reliable data handling.
- Intelligent Automatic Protocol Detection: The continuously refined automatic protocol detection algorithm maximizes connection rates across a wide spectrum of vehicles, even those with partial OBD standard compliance.
PowerSave Sleep/Wakeup Functionality
The STN11xx family of ICs, including the STN1110, offers sophisticated PowerSave features with various sleep and wakeup triggers, optimizing power consumption.
For in-depth details, refer to the STN11xx PowerSave Functionality documentation.
Cost-Effective Solution
The STN1110 OBD2 scanner IC provides significant cost savings:
- Competitive Pricing: Achieve savings of up to 200% compared to alternative solutions.
- Volume Discounts: Generous volume discounts are available. Explore the current pricing tiers for detailed information.
- Free Samples: Request free samples to evaluate the STN1110 in your application.
Resources and Downloads
Explore these resources for comprehensive information and technical details about the STN1110 OBD2 scanner 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
Leverage these open hardware projects as inspiration and starting points for your STN1110-based OBD2 scanner designs:
- Arduino Vehicle OBD2 Shield (Kostas Sigalas/Sigalabs)
- Sparkfun OBD-II UART board
- STN1110 Bluetooth OBD-II Adapter (Andy Honecker)
- STN1110 Bluetooth OBD-II Adapter (Nabil Tewolde)
Tutorials
In conclusion, while OBD Solutions directs new designs towards the STN2100, the STN1110 OBD2 scanner IC remains a powerful and versatile solution, offering a compelling combination of performance, features, and cost-effectiveness for accessing vehicle data in a compact form factor.
