TLE80803EMXUMA1

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Part Status:	Active

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Introduction
TLE80803EMXUMA1 is a PMIC (Power Management IC) with advanced integrated power solutions for high-voltage automotive applications. It is a part of the Texas Instruments Pro2020 family of mixed-signal PMICs. The TLE80803EMXUMA1 offers precise voltage regulation, precise digital control of switching transistors, and precise power cycling of up to six devices. This integrated device allows system designers to improve their design’s performance, reliability, and efficiency without adding additional components or complexity. In this article, we will discuss the application field and working principle of the TLE80803EMXUMA1.Application Field
The TLE80803EMXUMA1 is designed to be a versatile and highly-integrated power solution for the high-voltage automotive market, including designs operating up to 52V. It is ideal for powering automotive ECUs (Electronic Control Units), automotive MCUs (Microcontroller Units), and automotive hub motors. It is also suited for automotive applications such as camera modules, drive modules, and ECMA controllers.Working Principle of TLE80803EMXUMA1
The TLE80803EMXUMA1 features a thermo-efficient power conversion system, with up to 60A of continuous load current and a regulated output voltage range of 0.25V to 30V. The integrated switching power stages are designed to ensure low-noise operation, while providing a high degree of flexibility in system design. Furthermore, the TLE80803EMXUMA1 integrates several protection features, including programmable over- temperature protection, over-current protection, and an integrated over-voltage shutdown circuit.At its core, the TLE80803EMXUMA1 is comprised of a main step-down (or buck) converter stage and a separate output stage, both of which can be independently configured with a variety of different parameters. The main converter is capable of operating from an input voltage as high as 52V, and can be configured to operate in either a constant voltage or constant current mode, depending on system requirements. It also includes a built-in, low-dropout linear regulator for the output stage. The TLE80803EMXUMA1 also includes an integrated MOSFET driver for controlling the output stage, which can be configured in a variety of different switching topologies. The integrated MOSFET driver can be configured to provide either single-ended or differential switching control of the output switch, as well as to enable or disable the output switch during certain operating conditions.The TLE80803EMXUMA1 also integrates several additional features, such as a pre-driver stage, a programmable VCO loop, and a precision current-sense amplifier. The pre-driver stage provides additional control of the output stage and can be configured to provide either a constant voltage out or a constant current out, depending on system requirements. The programmable VCO loop allows for easy adjustment of the maximum output frequency and can be used to accurately control switching frequencies up to 400kHz. Finally, the precision current-sense amplifier can be used to monitor the current draw of the system and provides a closed-loop control of the output power.Conclusion
In conclusion, the TLE80803EMXUMA1 is a highly integrated and versatile PMIC suitable for high-voltage automotive applications. It integrates several protection features and advanced power conversion systems, which allows for precise voltage regulation and power cycling of up to six devices. The integrated MOSFET driver and pre-driver stage can be configured in a variety of different switching topologies, while the programmable VCO loop and precision current-sense amplifier provide additional control and monitoring of the system. This integrated device is ideal for powering automotive ECUs, automotive MCUs, and automotive hub motors, as well as other automotive applications such as camera modules, drive modules, and ECMA controllers.

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