LIN stands for Local Interconnect Network. Yes, from those words, we can say that it's a local network. But do we really know how it works? A LIN consists of LIN Master and a LIN Slave. Data is exchanged and encapsulated in data frames with a fixed structure. These data frames always contain a break field that indicates a new incoming frame.
Here’s a video that explain what LIN is:
Here are the advantages of using LIN
- Easy to Use
- Components available
- Cheaper than CAN and other communications buses
- Harness reduction
- More reliable vehicles
- Extension easy to implement
- No protocol license fee required
Although LIN is now a full replacement to the CAN bus, it will always be a good alternative whenever low costs are essential while speed/bandwidth is not important.
- Below are the applications where LIN can be used:
- Roof – Sensor, light sensor, light control, sun roof
- Steering Wheel – Cruise control, wiper, turning light, climate control, radio
- Seat – Seat position motors, occupant sensors, control panel
- Engine – Sensors, small motors
- Grille – Grille shutter
- Climate – Small motors, control panel
- Door – Mirror, central ECU, mirror switch, window lift, seat control switch, door lock
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