TPS76901EVM-127

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Channels per IC:	1 - Single
Moisture Sensitivity Level (MSL):	--
Voltage - Output:	1V
Current - Output:	100mA
Voltage - Input:	3 V ~ 6 V
Regulator Type:	Positive Adjustable
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	TPS76901

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Evaluation boards and linear voltage regulators present design engineers with an invaluable toolset for testing the capabilities and performance of specific designs. In turn, these tools are crucial for delivering optimal performance, robustness, and reliability in a product’s real-world environment. Evaluating board and linear regulator performance are essential for ensuring manufacturers are able to manufacture efficient and reliable products. In this article, we will take a closer look at the TPS76901EVM-127 Evaluation Board, the field applications it caters to, and its underlying working principles.

What is the TPS76901EVM-127?

The TPS76901EVM-127 is an evaluation board designed to evaluate the TPS76901, a micropower, low-noise linear voltage regulator. It is manufactured by Texas Instruments and intended for use in a variety of Low-Dropout (LDO) Voltage Regulator (LVR) applications. Essentially, the board enables users to quickly and easily test their design on a lab bench for testing characteristics such as line regulation, load regulation, quiescent current, transient response, and noise.

Applications & Benefits

The TPS76901EVM-127 is suitable for a variety of applications where the need to maintain a low noise and stable power supply voltage is important. Specifically, the board can be used to test the performance of sensors and circuits such as low-noise amplifiers, power management ICs, and other low power analog circuitry. Additionally, the board can be used to evaluate LVR products for use in automotive and medical applications where regulation and low-noise performance is paramount. The key benefit of the TPS76901EVM-127 board is that it simplifies the process of designing and evaluating Linear Voltage Regulators. In the past, manufacturers and designers would have needed to pour through data sheets and specific evaluation documentation in order to ensure a reliable product design. With the introduction of the TPS76901EVM-127 board, this process has been greatly simplified. The board’s simple and intuitive layout and operation make it easy to use and configure designs – even for the novice user.

Working Principle & Configuration

The TPS76901EVM-127 evaluation board features a 4-layer printed circuit board (PCB) that has been designed to meet the board’s user requirements. This includes an efficient power delivery system that helps to minimize the board’s losses and temperature gradients. Additionally, the board comes with two on-board components – the TPS76901 LVR IC and the C2801 EIA/Jansky metal oxide varistor (MOV) – to provide basic protection against power surges and over-voltage conditions.At the core of the design, the TPS76901 LVR IC utilizes a standard buck regulator design (as opposed to a switching regulator design) where the regulator operation is based on a feedback system and control signals. This chip consists of five metal-oxide semiconductor field-effect transistors (MOSFETs) that provide the power switching elements to the on-board power MOSFETs. The board also comes with an adjustable current sense resistors to enable users to set the desired output current.During operation, the TPS76901 regulator IC is supplied with the regulated output voltage via its input pin and the output voltage is fed back to the regulator through the output feedback network. The output voltage is adjusted by the voltage divider circuit on the board to maintain the desired regulated output voltage level. In order to operate the TPS76901 at its optimal efficiency, the input voltage needs to be within the normal operating range for the regulator IC.

Conclusion

The TPS76901EVM-127 evaluation board provides an easy and efficient way to test and evaluate LVR performance prior to an actual product build. Its ability to quickly and accurately simulate real-world conditions makes it an invaluable tool for evaluation low-power analog designs where noise and stability are of utmost importance. Additionally, its intuitive layout makes it an excellent choice for novice users. With its attractive features and wide range of applications, the TPS76901EVM-127 is an essential piece of hardware for ensuring quality and efficient products.

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