Development Board Design for the Bosch 3rd Generation Electronic Battery Sensor

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Kovács Viktor
Department of Automation and Applied Informatics

The embedded systems are getting more and more significant in car industry nowadays. The development of these embedded systems makes driving safer, more comfortable and greener. The electronic battery sensors are part of these systems. The electronic battery sensors developed and manufactured by Robert Bosch Ltd., are capable of measuring the voltage, current and temperature of the battery and make conclusions out of them. An energy management unit, with the signals from the sensor, is able to charge the battery optimally. This can greatly reduce the consumption and increase the lifespan of the battery. The sensor’s software development and testing requires tools, whereat measurements could be done easily and the accuracy and the operating range is nearly

the same as the sensor’s. The usage of a development board greatly reduces the development time, because the user doesn’t need to examine the final product. In my thesis I am writing about a development board. I introduce the currently used tools and summarize the experiences with them. After searching for available commercial solutions, which are similar to my task, I summarize the experiences from these applications, and with the wishes of the developers I make a prioritized list of the requirements. Knowing the specifications I show the steps of creating the schematics and the PCB design. I examine the built development board with measurements and check the fruition of the requirements. Using the observations from design, assembly, measurements and usage I suggest development possibilities.


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