L9680TR Automotive Advanced Airbag IC | STMicroelectronics
MPN: L9680TR ✓ Hoạt độngL9680TR Tóm tắt
An automotive airbag system IC is a specialized interface and safety-control device that connects sensors, communication links, and vehicle electrical systems while supporting controlled deployment functions. In the broader electronics hierarchy, the L9680 belongs to the interface-IC class, automotive electronics, and power-management-related safety systems. Its role differs from a general-purpose MCU because it is designed around the functional safety, diagnostic, and communication requirements of airbag and integrated vehicle-safety architectures.
The verified information confirms the L9680's application positioning as an advanced airbag solution, its support for mature airbag markets and cut-off-battery integrated safety systems, and its family compatibility with the L9678 and L9679 devices. The family-compatible architecture can help automotive designers reuse application knowledge across related STMicroelectronics safety products, provided that the exact device variant, diagnostics, external circuitry, and safety requirements are verified before substitution.
The L9680TR uses a 100-TQFP, 14 x 14 mm package according to the distributor listing, with a reel packaging format and SMT mounting style. This package provides a high pin count for power, ground, communication, sensor, and diagnostic connections, but it also demands careful PCB escape routing and adequate thermal design around the exposed pad. The manufacturer data identifies the part as an automotive product; detailed electrical ratings, operating temperature limits, supply voltages, SPI timing, internal diagnostics, and safety-certification parameters are not included in the supplied verified data.
Typical applications include conventional automotive passenger airbag controllers, cut-off-battery integrated safety systems, and vehicle safety platforms that require an active wheel-speed-sensor interface. It is also relevant to mid- and high-end airbag systems where robust sensing, communications, and deployment-control integration are required. Because an airbag IC is safety-critical, system qualification should include review of the current STMicroelectronics datasheet, reference design, diagnostic requirements, external component values, and applicable automotive quality procedures.
For a new design, preserve the L9680TR footprint and verify every exposed-pad connection, supply rail, ground reference, sensor input, and SPI signal against the current datasheet. Do not treat L9678P, L9679P, or L9679BATR as unconditional replacements: the verified cross-reference data establishes family compatibility and a common 100-TQFP format for some variants, but it does not provide a complete pin-to-pin and functional-equivalence matrix. This page combines verified manufacturer and distributor information, pricing placeholders where data was unavailable, family alternatives, and practical sourcing guidance for engineers evaluating the L9680TR.
Bộ thay thế dễ dàng lắp đặt cho L9680TR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với L9680TR (cùng hình factor và footprint) — khác nhau ở Package, Mounting Type.
L9678P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →L9679P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →L9679BATR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
L9680TR Thông số kỹ thuật
| Device Type | Automotive advanced airbag interface IC |
| Target Applications | Mid/high-end airbag and integrated safety systems |
| Giao diện | SPI |
| Supply Topology Support | Mature airbag systems and cut-off battery systems |
| Hộp | 100-TQFP (14 x 14 mm) |
| Manufacturer Package | 100-TQFP Exposed Pad |
| Kiểu lắp đặt | SMT |
| Packaging | Reel |
| Supplier Device Package | 100-TQFP (14 x 14) |
| Family Compatibility | L9678 and L9679 devices |
| Integrated Feature | Active wheel-speed-sensor interface |
| Manufacturer Pack Quantity | 1,000 units per reel (from supplier listing) |
| Supply and Demand Status | Limited (from supplier listing) |
Hướng dẫn cấu hình chân L9680TR 100-tqfp (14 x 14)
Cấu hình chân cho L9680TR (100-tqfp (14 x 14) gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho L9680TR.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
L9680TR phù hợp cho 6 Áp dụngs: Automotive Passenger Airbag Controller, Cut-Off Battery Integrated Safety System, Active Wheel-Speed-Sensor Interface, Mid- and High-End Airbag Platform, Vehicle Safety Sensor Fusion, Automotive Power and Diagnostic Interface.
Automotive Passenger Airbag Controller
The L9680TR fits conventional passenger-airbag controller platforms because it is specifically identified as an automotive advanced-airbag IC for mid- and high-end systems. Its SPI interface allows connection to a vehicle safety controller or MCU, while the family architecture targets deployment-control and diagnostic functions required around airbags. The verified information also notes higher power-supply current capability and an integrated active wheel-speed-sensor interface. Engineers should compare the current L9680 datasheet with the vehicle OEM's airbag requirements, especially external squib-driver interfaces, sensor inputs, fault detection, power-loss behavior, and qualification evidence.
Được đề xuất
Cut-Off Battery Integrated Safety System
The L9680TR is suitable for evaluating cut-off battery safety architectures because STMicroelectronics explicitly identifies the L9680 for integrated safety markets and cut-off battery systems. In this use case, the IC supports the sensing, communication, and safety-control functions required when the vehicle separates battery power from selected loads after a collision. The verified data does not provide exact input-voltage thresholds, hold-up behavior, or diagnostic timing, so those details must be confirmed from the manufacturer documentation. Qualification should include power-loss, brownout, crash-event, and repeated-fault scenarios defined by the OEM.
Được đề xuất
Active Wheel-Speed-Sensor Interface
The integrated active wheel-speed-sensor interface makes the L9680TR relevant to automotive safety architectures that incorporate active wheel-speed sensing. Such signals can support vehicle dynamics assessment and safety-control decisions when the platform includes appropriate sensing, redundancy, and diagnostic logic. The verified product description establishes the presence of the interface but does not disclose its electrical thresholds, sensor type, frequency range, fault outputs, or fault-detection coverage. Therefore, the design must use the current manufacturer pin definitions and interface specifications rather than infer compatibility from the broader airbag-system description.
Được đề xuất
Mid- and High-End Airbag Platform
The L9680TR targets mid- and high-end automotive airbag systems rather than a simple seat-belt reminder or non-safety signaling application. Its use in a sophisticated restraint platform requires correct integration of sensors, external power stages, communication links, and diagnostic behavior. The SPI interface supports a structured connection to a higher-level controller, while the documented family relationship with L9678 and L9679 provides a useful basis for platform planning. Final selection should be validated against the exact vehicle electrical architecture, required fault coverage, software diagnostics, and all applicable automotive safety and quality processes.
Được đề xuất
Vehicle Safety Sensor Fusion
The L9680TR can be evaluated in vehicle safety systems that combine wheel-speed information with other restraint-system signals. The active wheel-speed-sensor interface provides a defined automotive function for platforms requiring wheel-speed data within the safety chain, while SPI enables communication with a controller responsible for state evaluation. A robust implementation must account for signal integrity, sensor diagnostics, channel redundancy, transient protection, and safe-state behavior. Exact sensor-interface timing and diagnostic limits are not present in the supplied verified data and must be obtained from the official L9680 documentation before schematic or software release.
Được đề xuất
Automotive Power and Diagnostic Interface
The L9680TR fits the interface portion of a vehicle power-management and diagnostic architecture because it is a specialized automotive IC with SPI connectivity and family-level power-supply-current capability. It can be considered alongside the vehicle's MCU, sensors, and power-conditioning circuitry when designing a coordinated safety controller. The verified source does not expose the internal power architecture, regulator ratings, diagnostic protocol, or protected I/O thresholds, so engineers should treat the interface role as confirmed but verify all implementation details in the manufacturer datasheet. Layout must also account for the 100-TQFP exposed-pad footprint.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho L9680TR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | L9678P | L9679P | L9679BATR |
|---|---|---|---|---|
| Package | 100-TQFP (14 x 14) | 100-TQFP (14 x 14) | 100-TQFP (14 x 14) | 100-TQFP (14 x 14) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Class | Automotive advanced-airbag interface IC | Automotive airbag-interface family device | Automotive airbag-interface family device | Automotive airbag-interface family device |
| Family Compatibility Reference | L9680 family compatible with L9678 and L9679 | L9678 family member | L9679 family member | L9679 family member |
Bảo phân biệt quan trọng
- Positioned for advanced mid- and high-end airbag systems (vsL9679P)
- Supports cut-off battery integrated safety architectures (vsL9678P)
- Automotive packaging with 100-TQFP exposed-pad construction (vsL9679BATR)
Ghi chú thiết kế
Use the official STMicroelectronics 100-TQFP, 14 x 14 mm land pattern and follow the exposed-pad soldering and thermal-via recommendations in the current package documentation. Place the IC where power, sensor, and SPI routing can remain short and away from noisy switching nodes. Because the individual pinout was not present in the verified data, do not begin layout from a generic TQFP symbol; cross-check every numbered terminal and the exposed-pad connection against the manufacturer drawing.
Verify the supply range, absolute maximum ratings, power-up sequence, and power-supply current limits from the current L9680 datasheet before designing the vehicle power interface. The verified listing confirms that higher power-supply current capability is part of the L9680 family positioning, but it does not provide numerical limits. Size the upstream supply and local decoupling for the worst verified operating condition rather than for nominal typical current, and include the vehicle's transient and fault-energy requirements in the design review.
Do not treat family compatibility as proof of interchangeability. The verified data connects the L9680 with L9678 and L9679, and the listed variants use the 100-TQFP format, but it does not establish identical pin functions or diagnostics. Before replacing the L9680TR in an airbag or cut-off-battery platform, compare the official pinouts, sensor interfaces, SPI timing, software diagnostics, supply behavior, qualification records, and change notifications. Document any substitution through the vehicle OEM's safety-change process.
Thông tin tuân thủ
The verified sources identify the L9680TR as an automotive advanced-airbag IC, but they do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than inferred from the automotive description.
