Overview
The TJA1020T/N1,118 is a Local Interconnect Network (LIN) transceiver produced by NXP USA Inc. This component serves as the interface between the LIN master/slave protocol controller and the physical bus in a Local Interconnect Network. It is primarily designed for in-vehicle sub-networks and supports baud rates from 2.4 to 20 Kbaud. The TJA1020T/N1,118 is optimized for low electromagnetic emission (EME) and high electromagnetic immunity (EMI), making it suitable for automotive and other noise-sensitive applications.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| VBAT supply voltage on pin BAT | 5 | 12 | 27 | V |
| IBAT supply current on pin BAT in sleep mode | 1 | 3 | 8 | µA |
| IBAT supply current on pin BAT in standby mode; bus recessive | 100 | 400 | 1000 | µA |
| IBAT supply current on pin BAT in normal slope mode; bus recessive | 100 | 400 | 1000 | µA |
| IBAT supply current on pin BAT in normal slope mode; bus dominant | 1 | 3.5 | 8.0 | mA |
| VLIN DC voltage on pin LIN | -27 | +40 | V | |
| Tvj virtual junction temperature | -40 | +150 | °C |
Key Features
- Baud rate up to 20 Kbaud
- Very low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)
- Low slope mode for further reduction of EME
- Passive behaviour in unpowered state
- Input levels compatible with 3.3 and 5 V devices
- Integrated termination resistor for Network (LIN) slave applications
- Wake-up source recognition (local or remote)
- Supports K-line like functions
- Low power management with very low current consumption in sleep mode
- Transmit data (TXD) dominant time-out function
- Bus terminal and battery pin protected against transients
- Bus terminal short-circuit proof to battery and ground
- Thermally protected
Applications
The TJA1020T/N1,118 is primarily used in automotive and industrial applications, particularly in Local Interconnect Networks (LIN) for in-vehicle sub-networks. It is suitable for various automotive systems such as body control modules, door control units, and other sub-systems that require low EME and high EMI immunity.
Q & A
- What is the primary function of the TJA1020T/N1,118?
The TJA1020T/N1,118 serves as the interface between the LIN master/slave protocol controller and the physical bus in a Local Interconnect Network. - What are the supported baud rates for the TJA1020T/N1,118?
The component supports baud rates from 2.4 to 20 Kbaud. - What are the key features of the TJA1020T/N1,118 in terms of electromagnetic compatibility?
The component has very low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI). - How does the TJA1020T/N1,118 manage power consumption?
The component has low power management with very low current consumption in sleep mode. - What protection features does the TJA1020T/N1,118 offer?
The component includes transmit data (TXD) dominant time-out function, bus terminal and battery pin protection against transients, and is short-circuit proof to battery and ground. - Is the TJA1020T/N1,118 thermally protected?
Yes, the component is thermally protected. - What are the typical applications of the TJA1020T/N1,118?
The component is used in automotive and industrial applications, particularly in Local Interconnect Networks (LIN) for in-vehicle sub-networks. - What is the package type of the TJA1020T/N1,118?
The component is packaged in an 8-SOIC (SO-8) package. - What is the supply voltage range for the TJA1020T/N1,118?
The supply voltage range is from 5 to 27 V. - Does the TJA1020T/N1,118 support wake-up functions?
Yes, it supports wake-up source recognition (local or remote).
