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The number of electrical systems and components in automobiles is increasing as they become more intelligent, safe, and comfortable. With the inclusion of various components and systems, manufacturers will require communication transceivers to permit their interaction in the most cost-effective manner feasible.
LIN was created for this exact reason: to allow car manufacturers to manage communication between these components and systems in a simple, efficient manner, without relying on the bandwidth and adaptability of CAN; albeit, in most cases, it is a sub-bus to the CAN bus.
The Local Interconnect Network (LIN) is a low-cost, simple-to-implement multipoint network. In most autos, the communication bus serves as a sub-bus for the Controller Area Network.
The Global LIN Transceivers Market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2026, registering a CAGR of XX% from 2022 to 2027.
Infineon offers a modular LIN portfolio ranging from high-end to entry-level single-channel LIN transceivers, as well as integrated variations such as a DUAL LIN and a LIN-LDO.
The LIN (Local Interconnect Network) bus has greatly simplified the design efforts and expenses for automobile makers by offering a basic serial network connection between actuators, sensors, or switches and an ECU.
As a result, it’s being employed in an increasing variety of applications, primarily for low-speed networking (up to 20kBaud) in Body and Interior applications, as well as the exchange of comfort-related data.
In a Local Interconnect Network, the TJA1020 is the interface between the LIN leader/follower protocol controller and the physical bus (LIN). It’s designed for in-vehicle sub-networks with baud rates ranging from 2.4 to 20 Kbaud.
The LIN transceiver converts the protocol controller’s transmit data stream at the TXD input into a bus signal with a regulated slew rate and wave shaping to reduce EME. An inbuilt termination resistor pulls the LIN bus output pin HIGH.
An external resistor in series with a diode should be connected between pin INH or pin BAT and pin LIN for a leader application. The data stream is detected at the LIN bus input pin and sent to the receiver via pin RXD to the microcontroller .