TJA1145TKJ - High-Speed CAN Transceiver | NXP Semiconductors
MPN: TJA1145TKJ ✓ فعالTJA1145TKJ نمای کلی
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TJA1145TK/FDJ
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
TJA1145TK
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
TJA1145TKJ مشخصات
| Product Type | High-speed CAN transceiver for partial networking |
| CAN Bus Support | 1/1 Transceiver Half CANbus |
| Supply Voltage Range | 4.5 V to 5.5 V |
| CAN Interface Standard | ISO 11898-2:2016 compliant |
| Wake-Up Function | Selective wake-up for CAN partial networking |
| Low-Power Modes | Standby and Sleep modes |
| بسته‌بندی | 14-HVSON (3 mm x 4.5 mm) |
| نوع نصب | Surface Mount |
| Packing | Reel-reel, 13 inch |
| Minimum Package Quantity | 6000 units |
| Minimum Order Quantity | 6000 units |
| Budgetary Price | USD 1.68 at 1K quantity as of 2026-10-28 |
| Listed Lead Time | 99 weeks as of 2026-10-28 |
| Data Bus | Two-wire CAN bus |
| Off-Mode CAN and INH State | High-ohmic state |
| Power-On Detection | Battery supply voltage threshold Vth(det)pon |
| Startup Mode | Switch to Standby mode after tstartup |
راهنمای پیکربندی پین TJA1145TKJ 6000 units
پیکربندی پین برای TJA1145TKJ (پکیج 6000 units). شماره‌گذاری پایه‌ها، عملکردها و نمودارهای اتصال در دیتاشیت سازنده تعریف شده است. برای footprint دقیق و دستورالعمل‌های لحیم‌کاری به آن مراجعه کنید.
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کاربردهای معمول
TJA1145TKJ مناسب است برای 6 کاربردs: Automotive Partial-Networking CAN, Vehicle Body Control Module, Industrial CAN Gateway, Low-Power Sensor Network Node, Automotive Diagnostic Interface, Battery-Powered CAN Endpoint.
Automotive Partial-Networking CAN
The TJA1145TKJ fits automotive partial-networking CAN nodes because it combines a high-speed two-wire CAN transceiver with selective wake-up and low-power Standby and Sleep modes. A node can remain inactive while still monitoring relevant bus activity, reducing the energy required when only selected vehicle systems need to communicate. The device operates from 4.5 V to 5.5 V and supports ISO 11898-2:2016 compliant CAN partial networking. Its 14-HVSON package also supports compact PCB designs. Before production use, engineers should verify the exact ordering code, automotive qualification status, temperature grade, and wake-up configuration against the official NXP datasheet.
پیشنهادی
Vehicle Body Control Module
The TJA1145TKJ is suitable for a vehicle body control module that must communicate over a two-wire CAN bus without keeping every connected subsystem fully powered. Its selective wake-up function supports CAN partial networking, while Standby and Sleep operation helps reduce quiescent power when the module is not needed. The 4.5 V to 5.5 V operating range aligns with conventional 5 V CAN environments. Using the 14-HVSON package, measuring 3 mm by 4.5 mm, allows the transceiver to be placed close to the connector or bus routing. System designers must confirm EMC, ESD, temperature, and qualification requirements separately because those details are not fully available in the verified excerpts.
پیشنهادی
Industrial CAN Gateway
The TJA1145TKJ can serve as the physical-layer interface in an industrial CAN gateway when the gateway must connect a host controller to a two-wire CAN network. The high-speed transceiver handles the CAN physical interface, while selective wake-up can reduce activity on networks containing intermittently used nodes. Its 4.5 V to 5.5 V supply range and 14-HVSON footprint are practical for compact controller boards. The design should use the manufacturer datasheet for termination, loopback, mode-control, timing, and bus-fault details. Because the verified data lists a 99-week lead time, inventory planning should begin early, and alternative sourcing should rely on documented family ordering codes rather than unsupported Ethernet-transceiver substitutions.
پیشنهادی
Low-Power Sensor Network Node
The TJA1145TKJ is appropriate for a low-power sensor node connected to a shared CAN bus when selective wake-up is required. Instead of keeping the node's receiver and supporting circuitry fully active, Standby and Sleep modes provide documented low-power operating states, while selective wake-up permits communication after recognized bus activity. The two-wire CAN interface and 4.5 V to 5.5 V operating range fit conventional embedded systems. The compact 14-HVSON package preserves PCB area for sensors and processing electronics. Engineers must validate the node's wake-up filters, bus timing, power budget, and thermal conditions with the official TJA1145 documentation before implementation.
پیشنهادی
Automotive Diagnostic Interface
The TJA1145TKJ can be used in a diagnostic interface that needs to remain available on a vehicle CAN network while minimizing unnecessary power consumption. Selective wake-up allows the interface to react to relevant CAN activity, and the documented Sleep and Standby modes support low-power states between network transactions. The device's high-speed CAN transceiver function connects the diagnostic host to the physical two-wire bus, while the 4.5 V to 5.5 V supply range supports common embedded power rails. The 14-HVSON package reduces board footprint. Production validation should include bus fault recovery, mode-control behavior, EMC requirements, and the exact ordering-code temperature and qualification grade from NXP.
پیشنهادی
Battery-Powered CAN Endpoint
The TJA1145TKJ fits a battery-powered CAN endpoint whose average energy use must be controlled. The TJA1145's documented Standby and Sleep modes reduce consumption when communication is not required, and its selective wake-up function can support partial networking across several battery-backed endpoints. The 4.5 V to 5.5 V operating range permits use with a regulated 5 V rail, while the compact 14-HVSON package limits board area. Designers should account for the current consumed by the host and supporting regulators when calculating battery life. They should also verify wake-up sensitivity, bus-leakage behavior, and startup timing using the manufacturer datasheet because these values are not present in the supplied verification excerpts.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای TJA1145TKJ — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | TJA1145TK/FDJ | TJA1145TK |
|---|---|---|---|
| Package | 14-HVSON (3 mm x 4.5 mm) | 14-HVSON (3 mm x 4.5 mm) | 14-HVSON (3 mm x 4.5 mm) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Product Type | High-speed CAN transceiver for partial networking | TJA1145 family comparison candidate | High-speed CAN transceiver for partial networking |
تفاوت‌های کلیدی
- Partial-networking wake-up (در مقابلTJA1145TK/FDJ)
- Low-power operating states (در مقابلTJA1145TK)
- Compact board footprint (در مقابلTJA1145TK/FDJ)
- Documented procurement configuration (در مقابلTJA1145TK/FDJ)
یادداشت‌های طراحی
Place the TJA1145TKJ close to the CAN connector and bus-routing point to minimize exposed trace area and improve robustness against electromagnetic interference and ESD events. Follow the exact CAN transceiver layout guidance in the NXP datasheet, including placement of termination and bus-interface components. The verified excerpts do not provide a complete reference layout, so spacing, grounding, and component placement must not be inferred solely from the 14-HVSON package dimensions.
The verified operating range is 4.5 V to 5.5 V, so ensure the transceiver is never exposed to a supply outside that range. Confirm local bypass capacitance and power-up sequencing against the official datasheet because capacitor values and timing limits are not included in the supplied data. For battery-backed nodes, account separately for Standby and Sleep consumption, wake-up behavior, and the current drawn by the host controller and voltage regulators.
Do not treat every TJA1145 ordering suffix as automatically interchangeable. Verify the package drawing, temperature grade, AEC-Q100 status, and pin function table for the exact alternative before substitution. The verified cross-reference material identifies TJA1145TK/FDJ and TJA1145TK as close candidates, but it does not establish every electrical or ordering-code detail. A distributor cross-reference result alone is not a substitute for manufacturer documentation.
The 14-HVSON package is only 3 mm by 4.5 mm, making exposed-pad layout and manufacturing capability important. Use the manufacturer's land pattern and paste recommendation rather than creating a generic HVSON footprint from dimensions alone. Verify assembly-planarity, reflow profile, pad thermal performance, and solder mask clearance with the package drawing and qualified assembly guidelines.
اطلاعات انطباق
The supplied verified data confirms ISO 11898-2:2016 CAN partial-networking compliance but does not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. These fields remain unknown rather than being inferred.
