TJA1059TKJ - Dual 1Mbps CAN Transceiver | NXP
MPN: TJA1059TKJ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.7437 | $1.74 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TJA1059TKJ Overview
A CAN transceiver is an interface IC between the digital CAN protocol controller and the physical differential bus. It converts controller logic into high-speed differential CAN signals and converts received bus levels into digital receive data. The TJA1059 therefore belongs to the hierarchy CAN transceiver → network interface IC → integrated circuit, and is intended for automotive and truck electronics.
Key features include two CAN channels, high-speed operation up to 1 Mbps, standby mode, differential signaling, and a 5 V automotive supply context. The dual-channel architecture allows one controller or network node to serve two independent CAN buses or to expose two physical interfaces. Its surface-mount HVSON construction supports compact automotive electronics while its exposed pad assists thermal performance when the package layout is designed correctly.
Technically, the transceiver separates the CAN transmit, receive, and standby functions within a robust physical-layer interface. Differential bus signaling improves noise immunity in vehicle environments, while standby mode can reduce activity when the interface is not required. Designers must still validate signal timing, bus termination, grounding, electromagnetic compatibility, and thermal conditions against the complete vehicle or industrial network architecture.
Typical applications include automotive body and comfort controllers, truck electronics, CAN gateways, infotainment modules, engine or chassis control units, and industrial vehicle networks. The two channels are useful where a controller needs dual CAN connectivity without using two separate single-channel transceiver packages.
A critical design consideration is preserving the exposed-pad thermal and electrical layout recommended by NXP. CAN bus traces should be routed as a controlled differential pair, with termination placed only at the physical ends of the bus. Standby-control polarity and timing must be verified in the system-level state machine.
This page consolidates the verified NXP datasheet description, distributor identification, package information, price reference, and application guidance for engineers evaluating the TJA1059TKJ.
Drop-in alternatives for TJA1059TKJ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with TJA1059TKJ (same form factor and footprint) — differing in Mounting Type, Package, Standby Mode.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TJA1059TK
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →TJA1043TKJ
✅ Drop-In📋 Reference alternative (not in catalog)
TJA1043ATK/0Z
✅ Drop-In📋 Reference alternative (not in catalog)
TJA1059TKJ Specifications
| Product Type | Dual high-speed CAN transceiver with Standby mode |
| Maximum CAN Data Rate | 1 Mbps |
| Number of CAN Channels | 2 |
| Bus Interface | Differential two-wire CAN bus |
| Transmit Function | Differential CAN transmit |
| Receive Function | Differential CAN receive |
| Supply Context | 5 V automotive |
| Package | 14-pin HVSON (3 mm x 4.5 mm) |
| Mounting Type | Surface Mount |
| Application Domain | Automotive and truck high-speed CAN networks |
| Protocol | Controller Area Network (CAN) |
| Controller Interface | Microcontroller CAN protocol controller |
| Standby Mode | Yes |
| Channel Configuration | Two independent CAN transceiver channels |
| Transceiver Supply Voltage | 5 V automotive context |
| CAN Bus Termination | External bus termination required; exact value not provided |
TJA1059TKJ 14-pin hvson (3 mm x 4.5 mm) Pin Configuration Guide
Pin configuration for TJA1059TKJ (14-pin hvson (3 mm x 4.5 mm) package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for TJA1059TKJ.
Refer to the datasheet for full pin configuration.
Typical Applications
TJA1059TKJ is suitable for 6 applications: Automotive Body Control Module, Truck Telematics ECU, CAN Gateway, Vehicle Infotainment Controller, Industrial Vehicle Network, CAN Diagnostics Interface.
Automotive Body Control Module
The TJA1059TKJ fits an automotive body or comfort controller that must connect a microcontroller to high-speed CAN networks. Its two differential CAN channels support physical-layer communication with vehicle modules while the 1 Mbps capability matches the high-speed CAN use case described by NXP. The 14-HVSON package, measuring 3 mm by 4.5 mm, helps preserve board area in compact control units. Designers should validate standby timing, bus termination, ground return, and the exposed-pad footprint against the vehicle EMC and thermal requirements.
Recommended
Truck Telematics ECU
TJA1059TKJ is suitable for a truck electronic control unit requiring a robust interface to one or more high-speed CAN buses. The dual-channel architecture can reduce the number of separate physical-layer transceiver packages when the controller supports two CAN peripherals. NXP identifies automotive and truck high-speed CAN as the target application, and the documented 1 Mbps rate provides a concrete design starting point. Final validation should include transient immunity, bus fault behavior, wiring length, and production availability.
Recommended
CAN Gateway
A CAN gateway can use the TJA1059TKJ when it needs two physical CAN interfaces connected to one embedded controller platform. Each channel provides differential transmit and receive, allowing the gateway to bridge or monitor separate bus segments while maintaining a common 5 V automotive supply context. The 1 Mbps specification should be checked against the slowest segment and the controller timing budget. PCB layout should preserve the recommended HVSON land pattern and keep each bus's termination electrically appropriate.
Recommended
Vehicle Infotainment Controller
The TJA1059TKJ can support a vehicle infotainment controller that exchanges diagnostic, status, and control information over CAN. Differential signaling is useful in an environment where cables and harnesses can introduce noise, while standby mode provides a defined low-activity state when the network interface is not being used. The compact 14-HVSON package is useful for space-constrained electronics. Engineers still need to verify chassis grounding, connector protection, EMC performance, and the exact standby polarity in the host controller firmware.
Recommended
Industrial Vehicle Network
The TJA1059TKJ is applicable to industrial vehicle and equipment networks that use high-speed CAN as a communication backbone. Its two-channel arrangement is useful when a controller must connect to more than one bus or when redundant diagnostic and functional CAN paths are required. The device targets 1 Mbps operation, so cable length, node spacing, termination, and controller bit timing must be analyzed together. The 3 mm by 4.5 mm HVSON package supports compact control electronics but requires careful assembly and thermal-layout compliance.
Recommended
CAN Diagnostics Interface
TJA1059TKJ can be used as the physical-layer element of a diagnostics interface in a vehicle control unit. The transceiver's differential receive path allows a CAN controller to recover bus data, while its transmit path drives the corresponding CANH and CANL signals. With two channels, a diagnostics design may use one channel for a primary bus and another for a second network or test path. The implementation must still include the required bus termination, protection strategy, connector wiring, and standby-control sequencing defined by the system requirements.
Recommended
Engineering reference data for TJA1059TKJ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TJA1059TK | TJA1043TKJ | TJA1043ATK/0Z |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Key Differentiators
- Dual-channel CAN physical-layer integration (vs TJA1043TKJ)
- Documented 1 Mbps high-speed operation (vs TJA1043ATK/0Z)
- Verified automotive and truck application positioning (vs TJA1043TKJ)
- 14-HVSON 3 mm by 4.5 mm package identification (vs TJA1043ATK/0Z)
Design Notes
Use the NXP-recommended HVSON footprint and preserve the exposed-pad connection and surrounding copper exactly as required by the package layout guidance. The verified distributor data identifies a 14-HVSON package measuring 3 mm by 4.5 mm, so do not substitute a generic 14-pin SOIC or QFN footprint. Validate paste, assembly, and stencil requirements with the current NXP package drawing before release.
Route CANH and CANL as a controlled differential pair with symmetrical geometry, continuous reference behavior, and minimal unnecessary branching. The transceiver supports up to 1 Mbps, so evaluate propagation delay, reflections, connector transitions, and controller timing across the longest supported bus. Place termination only at the physical bus endpoints and verify the termination strategy with the complete network topology.
Plan the 5 V automotive supply path so that the transceiver's local decoupling and exposed-pad copper do not create excessive impedance between the device and its supply pins. The supplied data confirms a 5 V automotive context but does not provide exact capacitor values, supply tolerance, or current limits; obtain those values from the NXP datasheet before finalizing the power network.
Do not assume that a similarly named TJA10xx device is interchangeable. The verified cross-reference results identify TJA1043TKJ and TJA1043ATK/0Z as comparison candidates, but they do not confirm identical pinout, standby polarity, timing, or electrical ratings. Compare the manufacturer datasheets and verify every exposed-pad connection, bus signal, control input, and supply requirement before approving a substitution.
Compliance Information
The verified web data identifies automotive and truck applications and a 5 V automotive context, but it does not explicitly provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than assumed.
