Description
TJA1145TKJ – High-Speed CAN Transceiver
Overview
The TJA1145TKJ is a high-speed CAN transceiver that provides a galvanic isolated interface between the controller area network (CAN) protocol controller and the physical bus. The device is designed to meet the requirements of CAN applications in the automotive and industrial markets.
Features
- Compliant with CAN specifications: ISO 11898-2:2016 and SAE J2284-4
- High-speed transmission: Up to 1 Mbit/s
- Galvanic isolation: 3.75 kV (rms) for 1 minute
- Bus fault protection: ±58 V (DC) continuous, ±65 V (DC) transient
- Thermal shutdown: Yes, with automatic recovery
- Supply voltage: 4.5 V to 5.5 V (typical)
- Package: SO8 (5 mm x 6 mm)
Pin Description
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Positive power supply |
| 2 | GND | Ground |
| 3 | TXD | CAN transmit data input |
| 4 | RXD | CAN receive data output |
| 5 | STB | Standbymode input |
| 6 | WUP | Wake-up input |
| 7 | CANH | CAN high output |
| 8 | CANL | CAN low output |
Absolute Maximum Ratings
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Supply voltage (VCC) | -0.5 | 7 | V |
| Input voltage (TXD, STB, WUP) | -0.5 | VCC + 0.5 | V |
| Bus voltage (CANH, CANL) | -40 | 40 | V |
| Junction temperature (Tj) | -40 | 150 | °C |
| Storage temperature (Tstg) | -40 | 150 | °C |
Recommended Operating Conditions
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply voltage (VCC) | 4.5 | 5 | 5.5 | V |
| Ambient temperature (Ta) | -40 | 25 | 125 | °C |
| Input voltage (TXD, STB, WUP) | 0 | VCC/2 | VCC | V |
Electrical Characteristics
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Bus output voltage (CANH, CANL) | ||||
| – dominant state | V | |||
| – recessive state | V | |||
| Input current (TXD, STB, WUP) | μA | |||
| Junction temperature (Tj) | °C |
Note: For detailed information on the device’s electrical characteristics, please refer to the datasheet.
Package and Ordering Information
The TJA1145TKJ is available in a SO8 (5 mm x 6 mm) package.
To order, please use the following part number: TJA1145TKJ
Disclaimer
The information provided in this document is subject to change without notice. No warranty is given and no liability is assumed by the manufacturer or its affiliates.