Overview
The TJA1043TKJ, produced by NXP USA Inc., is a high-speed Controller Area Network (CAN) transceiver designed for automotive applications. It provides an interface between a CAN protocol controller and the physical two-wire CAN bus, ensuring reliable communication in high-speed CAN networks. This transceiver is part of the third generation of high-speed CAN transceivers from NXP, offering significant improvements in ElectroMagnetic Compatibility (EMC), ElectroStatic Discharge (ESD) performance, and low power consumption.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.5 | V | ||
| VIO supply voltage on pin VIO | 2.8 | 5.5 | V | ||
| Vuvd(VCC) undervoltage detection voltage on pin VCC | VBAT or VCC > 4.5 V | 3 | 3.5 | 4.3 | V |
| Vuvd(VIO) undervoltage detection voltage on pin VIO | VBAT or VCC > 4.5 V | 0.8 | 1.8 | 2.5 | V |
| ICC supply current | Normal mode; bus dominant | 30 | 48 | 65 | mA |
| ICC supply current | Normal or Listen-only mode; bus recessive | 3 | 6 | 9 | mA |
| ICC supply current | Standby or Sleep mode | 0 | 0.75 | 2 | μA |
| IIO supply current on pin VIO | Normal mode; VTXD = 0 V (dominant) | - | 150 | 500 | μA |
| IIO supply current on pin VIO | Normal or Listen-only mode; VTXD = VIO (recessive) | 0 | 1 | 4 | μA |
| IIO supply current on pin VIO | Standby or Sleep mode | 0 | 1 | 4 | μA |
| Package | 14-HVSON (3x4.5 mm) |
Key Features
- ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant for reliable communication in CAN FD fast phase up to 5 Mbit/s.
- Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI).
- VIO input allows for direct interfacing with 3 V and 5 V microcontrollers.
- SPLIT voltage output for stabilizing the recessive bus level.
- Listen-only mode for node diagnosis and failure containment.
- Low-power management with very low current in Standby and Sleep modes, and local and remote wake-up capabilities.
- Advanced protection and diagnostic functions including bus line short-circuit detection, battery connection detection, and thermal protection.
- AEC-Q100 qualified and RoHS compliant.
- Leadless HVSON14 package with improved Automated Optical Inspection (AOI) capability.
Applications
The TJA1043TKJ is primarily designed for high-speed CAN applications in the automotive industry. It is suitable for use in various automotive systems, including:
- Vehicle control units
- Infotainment systems
- Advanced driver-assistance systems (ADAS)
- Automotive networks requiring reliable and high-speed communication
Its compliance with ISO 11898-2:2016 and SAE J2284 standards makes it an ideal choice for 12 V and 24 V automotive systems.
Q & A
- What is the TJA1043TKJ used for?
The TJA1043TKJ is a high-speed CAN transceiver used to interface between a CAN protocol controller and the physical two-wire CAN bus in automotive applications.
- What are the key features of the TJA1043TKJ?
Key features include ISO 11898-2:2016 and SAE J2284 compliance, low EME and high EMI, VIO input for 3 V and 5 V microcontrollers, and advanced protection and diagnostic functions.
- What is the operating voltage range of the TJA1043TKJ?
The operating voltage range for VCC is 4.5 V to 5.5 V, and for VIO it is 2.8 V to 5.5 V.
- What are the power consumption characteristics of the TJA1043TKJ?
The TJA1043TKJ has very low current consumption in Standby and Sleep modes, with values ranging from 0 to 2 μA. In Normal mode, the current is typically around 48 mA for bus dominant and 6 mA for bus recessive.
- Is the TJA1043TKJ AEC-Q100 qualified?
- What package options are available for the TJA1043TKJ?
The TJA1043TKJ is available in a 14-HVSON (3x4.5 mm) package.
- What are the diagnostic capabilities of the TJA1043TKJ?
The TJA1043TKJ includes several diagnostic functions such as bus line short-circuit detection, battery connection detection, and thermal protection.
- Can the TJA1043TKJ be used in both 12 V and 24 V systems?
- Does the TJA1043TKJ support wake-up functions?
- Is the TJA1043TKJ RoHS compliant?
