TPS2055AEVM-290

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Evaluation and Demonstration Boards and Kits are designed to provide a platform for designers to evaluate, configure, and demonstrate performance of electronic components, integrated circuits, embedded systems, and connected systems. The TPS2055AEVM-290 is a board designed to evaluate and demonstrate TI’s TPS2055A load switch. This application field and its working principles are discussed in further detail in this article.

The TPS2055AEVM-290 is a low voltage, fast-changing load switch evaluation module featuring the TPS2055A. It is designed to draw power from a supply, a voltage rail, or a battery. The board is divided into two parts: the upper side is the evaluation board and the lower side consists of the power connection area. The board provides various features to enable the user to evaluate and demonstrate the performance of the TPS2055A. These features include a potentiometer to select the load up to an absolute maximum of 2.2 A, a current measurement transformer to measure the load current in the load portion of the board, four LEDs to indicate power good, logic control, output, and over-heat, and several jumper connectors and push-buttons to control and configure the load switch.

The TPS2055AEVM-290 is designed to provide a simple platform for evaluation and demonstration of the TPS2055A. The board contains a voltage regulator, VOUT, and several key connections for the TPS2055A itself. The VOUT connection is used to provide power to the board and the TPS2055A. The board also contains two input connections, VIN and IN, which are used to control the output voltage. The TPS2055A is the main component of the board, and it controls the output voltage based on the voltage applied to the VIN and IN connections. The board also contains four LEDs to indicate various system conditions, such as power good, logic control, output, and over-heat.

The working principle of the TPS2055AEVM-290 involves the TPS2055A load switch. The TPS2055A is an integrated circuit (IC) designed to switch power across multiple voltages with low voltage drop. It can operate from both the VIN and the IN connections and has four external control pins, ENA, ENB, PWM, and gm. When power is applied to the VIN or IN connections, the TPS2055A automatically detects the input voltage and supplies the appropriate output voltage. The ENA and ENB pins are used to turn on and off the output voltage, while the PWM pin is used to provide a variable voltage output from the load switch. The gm pin is used to provide feedback to the TPS2055A to maintain the output voltage within the specified range. The output voltage can be adjusted by using the potentiometer on the board.

The TPS2055AEVM-290 has several applications. It can be used to evaluate the performance of TI’s TPS2055A IC for a variety of applications, such as in automotive, consumer, and industrial power systems. It can also be used to demonstration low voltage switching applications and verify the design of load switches for various applications. The board is also useful for testing over-current handling and thermal stability, as well as helping students and engineers understand the fundamentals of low voltage switching.

In conclusion, the TPS2055AEVM-290 is an evaluation and demonstration board for TI’s TPS2055A IC. It has a range of applications, including evaluating the performance of the IC, testing over-current handling and thermal stability, and demonstrating low voltage switching applications. The board contains a voltage regulator, VOUT and several key connections for the TPS2055A, as well as a potentiometer to select the load, four LEDs to indicate various system conditions, and jumper connectors and push-buttons to control and configure the load switch. The board can be used to evaluate, configure, and demonstrate the performance of TI’s TPS2055A and other electronic components, integrated circuits, embedded systems, and connected systems.

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