TPS53915EVM-587

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The TPS53915EVM-587 evaluation board is designed to demonstrate the various features of the Texas Instruments TPS53915 synchronous step-down regulator optimized for point-of-load applications. It is part of the wide range of TI evaluation boards, categorized into Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS.

The TPS53915EVM-587 evaluation board can be used to evaluate the fixed-frequency, current-mode controller TPS53915A. The device provides an efficient, compact, and easy-to-use solution for regulating high-current outputs of up to 15 A with an integrated high-speed power MOSFET. It is available in an HTSSOP-20 package.

The evaluation board is designed with power and ground planes to improve efficiency and reduce heat, which helps improve the life expectancy of the product. The evaluation board also features an integrated on-board inductor optimized for low-ESR, low-ripple, and low-inductance performance. The TPS53915A is comprehensive design which allows for simple configuration functions in the way of a number of jumpers, as well as an adjustable-voltage output that enables the user to adjust the voltage output without the need for complicated circuitry.

The TPS53915A is capable of operating in, several input-voltage regimes with a wide range of 4.75 V to 17 V. The user can also choose whether to include a default or an additional external capacitor on the feedback loop, which increases the amount of ripple rejection possible in the system.

In terms of output, the TPS53915A allows for adjustable voltage from 0.6 V to 4.5 V with up to 15 A of current. Additionally, the TPS53915A can provide up to 95 % efficiency under recommended conditions. It the output can also be totally disabled when the input voltage is below a predetermined level, providing an additional protective measure.

The TPS53915A regulator features soft-start and a fixed-frequency current-mode, which makes it suitable for use in applications requiring a high degree of output accuracy. The evaluation board also takes advantage of the TPS53915A’s adjustable-soft-start feature which can help avoid inrush currents during start-up.

The evaluation board also features input voltage monitoring and monitoring of the sensed output current level which can be used to set an over-current limit. The board also has short-circuit protection with over-temperature protection.

The TPS53915A regulator and the TPS53915EVM-587 evaluation board are well-suited for applications such as point-of-load conversion, backlight displays, and many other non-isolated DC/DC converter applications. The combination of features, including adjustable output voltage, wide input voltage range, 95 % efficiency, tight output voltage regulation, and low output ripple make the TPS53915A and the TPS53915EVM-587 an ideal solution for these types of applications.

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