TPS51513EVM-549

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TPS51513EVM-549 is an evaluation kit designed for use with the TPS5161345-Q1, a synchronous rectified buck converter with an integrated high-side MOSFET. This evaluation board is designed to demonstrate the energy efficiency and comprehensive feature set of the TPS5161345-Q1. It provides the ability to simulate real-world operating conditions, allowing users to evaluate and optimize the performance of the TPS5161345-Q1.

The TPS51513EVM-549 is ideal for evaluation of high-efficiency, low-noise, voltage-regulated DC/DC and AC/DC offline switch-mode power supplies (SMPS). It can be used for either single-ended input designs with a single transformer or for differential multiple output designs with multiple parallel windings on the transformer. The TPS5161345-Q1 is a Pr evision 2.0 qualified part which enables the board to be used with or without an input voltage source.

The TPS51513EVM-549 is configured as an open-loop system, meaning there is no feedback or control loop used to regulate the output voltage. This makes it ideal for applications in which the output voltage is not critical, such as powering LEDs, or when the load conditions can be anticipated in advance. It can also be used to evaluate other TPS51x13x45-Q1 part numbers, allowing users to compare performance in terms of energy efficiency, noise, EMI performance, and transient response.

The TPS51513EVM-549 board includes all the necessary switching components to evaluate various operating points. Operating over the nominal input voltage range of 8-25V, the board operates at a fixed switching frequency of 600 kHz, delivering a regulated output voltage of 10V with a maximum output current of 2A. The power distribution on the TPS51513EVM-549 is optimized for high-efficiency operation with one low-loss synchronous rectified buck converter and TI’s best-in-class integrated power MOSFETs. Additionally, to optimize the PCA (Printed Circuit Assembly) design, the components are directly connected to the copper plane traces on the PCB.

The TPS51513EVM-549 utilizes the TPS5161345-Q1 step-down DC/DC converter along with TI’s power supply engine (PSE) technology to provide both critical and non-critical performance characteristics. The board features the current-mode architecture of the TPS5161345-Q1, which ensures a clean and fast response to load transients, allowing for improved system efficiency under light-load and duty cycle conditions.

The TPS5161345-Q1 also offers integrated devices with several features designed to reduce component count and minimize the number of external components needed for proper operation. The built-in self-protection features protect the driver from overheating, undervoltage lockout, and short-circuit faults, reducing the need for added protection circuitry. Additionally, the built-in adaptive-frequency-tracking (AFT) technology reduces EMI emissions and maintains power output capability in transient conditions.

In addition, the TPS51513EVM-549 includes the PGA46 software environment for controlling, configuring, and monitoring the TPS5161345-Q1. The PGA46 software is a graphical user interface (GUI) that allows users to configure the device without the need for hardware debugging or extraneous test equipment. It also includes a power-loss indicator to monitor the current load conditions and a thermal-model simulator for visualizing the thermal performance of the TPS5161345-Q1.

In summary, the TPS51513EVM-549 is an efficient and versatile board for evaluating DC/DC and AC/DC offline switch-mode power supplies. It provides a comprehensive feature set, including PSE and AFT technology, to ensure clean and efficient power delivery under light-load and duty-cycle conditions. With the PGA46 software, users can quickly configure and test the TPS5161345-Q1 for optimized performance, making it an excellent choice for evaluation and design optimization of high-efficiency, low-noise power supplies.

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