TPS5618EVM-113

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The Texas Instruments TPS5618EVM-113 evaluation module kit facilitates the evaluation of TPS5618 high-voltage direct current (HV DC/DC) synchronous rectifier buck controllers designed for low-loss and high-efficiency, non-isolated buck topology power supplies. This evaluation module kit can be used to comfortably evaluate the TPS5618\'s unique features, including low RDS(ON) T-channel MOSFETs, external synchronization, ultra-fast transient response, and min/max voltage monitoring, for a variety of end applications.

The TPS5618EVM-113 delivers up to 5.6A of continuous output current at an input voltage of 12V and an output voltage of 3.3V. It is designed to minimize external component count, reduce solution size, and simplify system design for a broad range of applications, such as server, game-consoles, LCD/LED TV, disk drives, and telecom/networking. This evaluation module kit is designed to provide numerous performance tests and measurements along with simple and straightforward implementation.

Working Principle

The TPS5618EVM-113 works based on the buck topology, which helps switch-mode DC/DC converters to transfer power effectively from the source to the load. The buck topology includes a power switch, an inductor, and a diode, where the diode is used to block negative voltage flow from the regulator output and the inductor is used to store energy. The power switch is connected to the input power source, and the duty cycle of the power switch determines the voltage at the regulator output.

The TPS5618EVM-113 comprises of the TPS5618 controller, high- and low-side MOSFETs, output diode, EMI filter, as well as other power components to provide the best regulation and power performance. The controller also comes with several protection features, such as over-temperature protection, over-voltage protection, under-voltage protection, and gate drive UVLO.

The controller\'s gate drive provides an active pull-down, which holds the low-side MOSFET in conducting mode under low line conditions and prevents the regulator output from increasing beyond the VOUT(SET) regulation value. The controller also provides an ultra-fast transient response that eliminates the need for an output capacitor. The PGOOD feature indicates whether the output voltage is within tolerance and ON/OFF delay provides a solution for system turn-on/turn-off sequencing.

Application Field

TPS5618EVM-113 can be used in a wide range of applications, including high-performance computing systems, data centers, telecom/networking, servers, storage systems, and LCD/LED TVs. Its wide input voltage range, fast transient response, and high-current capability make it an ideal choice for applications that need reliable power regulation. In addition, it supports input/output voltages up to 750V and up to 32V input Voltage.

In telecom/networking systems, the TPS5618EVM-113 allows for small size designs with high-efficiency operation, and it helps meet telecom/network operators\' stringent energy-efficiency requirements. In addition, it is well suited for multiple-output voltage or multiple rails in LCD/LED HDTVs as they require precise voltage control to ensure the best picture quality. Offering greater than 97% design efficiency and low DCR current sensing, the TPS5618EVM-113 is the ideal solution for the power regulation needs of modern computing and entertainment systems.

Conclusion

The TPS5618EVM-113 is an evaluation module kit that helps developers evaluate the features of the TPS5618 controller and design high-efficiency, non-isolated buck-topology power supplies for a variety of end applications. The module kit features excellent power efficiency, fast transient response, and active pull-down for low-line conditions. In addition, it supports a wide input voltage range, up to 32V, and is suitable for telecom/networking, servers, storage systems, and LCD/LED HDTVs. The TPS5618EVM-113 is an ideal solution for the power regulation needs of modern electronics.

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