Speedometer Cluster (or) Instrument Cluster
A car's instrument cluster houses the various displays and indicators that enable a driver to operate the vehicle. Among these are several gauges – often a speedometer, odometer, tachometer, oil pressure gauge, fuel gauge, etc. – as well as various indicators for system malfunctions and warnings. Instrument clusters provide drivers with a centralized and easily viewable location for displaying all critical system information.
Major subsystems include:
Load drivers: Each physical (i.e. non-graphical) gauge is actuated by an individual stepper motor. Also, virtually all instrument clusters include LED backlighting. All of these devices require an appropriate load driver to operate properly. Often the instrument cluster MCU will have integrated stepper motor drivers; however, the LED backlight driver is implemented as a discrete IC.
Connectivity: Being the de facto standard for high integrity serial communications, an automobile’s CAN (Controller Area Network) bus forms the “backbone” of the vehicle network. CAN is meant for applications that have to communicate numerous but small pieces of data consistently among nodes, as well as self-diagnose and repair data errors. Likewise, LINs (Local Interconnect Network) handle network communication within a node. Inexpensive and relatively simple to implement, a LIN network uses a broadcast topology with a single master – typically an MCU – and up to 12 slave devices.
Processor: Automotive applications are inherently safety-critical, so the processor or microcontroller must offer a level of performance that is high enough to ensure reliable, real-time control. In addition to its ability to execute code rapidly, the microcontroller is also chosen for its application-specific integrated peripherals. Instrument cluster MCUs typically include an integrated CAN and/or LIN transceiver for communicating with various sensors located throughout the vehicle. As previously mentioned, the microcontroller may also feature stepper motor drivers for actuating various gauges.
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This hasn't been the easiest journey but Jerry made it seamless. The first engine did not work for my daughter's car and we had to get a second engine. Jerry was with us every step of the way throughout the warranty process. The second engine worked perfectly, our daughter is in her own car and all is well with the world. I couldn't imagine going through this, 900 miles away from the company, with someone dodging my calls or avoiding me. Jerry stayed in constant contact and answered every question with confidence.
Global Automotive Parts: Your Partner in Automotive Excellence. I have been a loyal customer of Global Automotive Parts for years and I can confidently say that they are the best in the business. They offer a huge range of high-quality parts for all makes and models, and their team is always available to provide expert advice and guidance. Whether you're in need of a replacement engine, transmission, or any other part, you'll find that Global Automotive Parts is always very helpful.
Global Automotive Parts Provides Outstanding Customer Service. I recently had the pleasure of working with the team at Global Automotive Parts and was impressed with their level of customer service. They were incredibly helpful in guiding me through the process of finding the right engine for my car, and went above and beyond to ensure that I received the best possible service. The engine itself was in excellent condition and works perfectly. I highly recommend Global Automotive Parts for anyone in need of outstanding customer service and high-quality parts.
Global Automotive Parts: The Best Place for Used Engines. I recently purchased a used engine from Global Automotive Parts and I am extremely satisfied with the product and service I received. The team, including Jerry, Joe, Joey, Kevin, Trevor, Markwood, Ethan, Tina, Nora, Ben, and Danny, was incredibly helpful in guiding me through the process and ensuring that I received the right engine for my car. The engine itself was in great condition and works perfectly. I highly recommend Global Automotive Parts for anyone in need of reliable used engines.
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Rebecca provided an exceptional customer service experience. Her brilliant performance in customer service provided me a great satisfaction and I must say, Global Automotive Parts is a great company and they will always deliver. I am confident in their service. I salute Global Automotive Parts Team.
Good service in finding a 5.9 liter motor and arrange shipping. Received motor and installed. You only get the basic motor components, no power steering pump, no alternator, turbo. So make sure you secure all the components you need to install the motor. 3 year warranty is a nice plus also. I would use your service again. Thanks, Calvin.
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Joe and his crew was effective with letting me know about my part I bought and when will it be delivered. Appreciate their hard work. Check them out if needed
Nora and Austin were extremely helpful in finding exactly what I needed for my car. Nora was very professional and persistent in making sure that I was informed of the process.
Fast, courteous service, wouldn't hesitate to purchase them again Thanks you Kevin
My engine arrived !! Got it installed ! Runs great !!! Joe & Nora got delivered to me here in Fort Worth , Texas. Jim Totten / Norm Reeves Honda