TPS54625EVM-608

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The TPS54625EVM-608 is an evaluation board specifically designed to evaluate the performance of Texas Instruments TPS54625 synchronous step-down DC/DC controller. The board is ultimately suitable for applications such as servers and networking equipment.

The board supports an input voltage range of 3.3V to 24V, and output voltage can be dynamically set within the 0.593V - 18V range either using onboard potentiometer or an external voltage source. Efficiency of the board is optimized using 6.5A peak current limit with zero-current-detection. The TPS54625EVM-608 utilises low RDSon (5mΩ) power MOSFET with 3x phase interleaving for better thermal performance. Embedded design features of the board include an adjustable under-voltage lockout level and over-voltage protection level (OVP).

The board consists of various components such as input capacitors, output capacitors, current sensing resistor, thermal sense resistor, power MOSFET, etc. Each of these components have been carefully evaluated and tested for optimum performance to design a reliable board that meets the desired application requirements. Additionally, the TPS54625EV608 integrates several safety and reliability considerations into its design such as thermal shutdown at 144°C, thermal-limiting at 135°C, and OVP/UVP at 16V/6V levels respectively.

The TPS54625EVM-608 board allows a user to verify the DC/DC module performance in the presence of fast transients, input voltage, and load conditions. The board enables users to measure the distortion and signal interference of an integrated resistive load and LCD and measure the input/output voltage ripple in a multi-phase system. The performance of the board can be further enhanced with the use of an optional heatsink.

In summary, the TPS54625EVM-608 is an advanced evaluation board specially designed to evaluate the performance of Texas Instruments TPS54625 synchronous step-down DC/DC controller. It provides several safety and reliability considerations such as thermal shutdown at 144°C, thermal-limiting at 135°C, and OVP/UVP at 16V/6V levels respectively. The board is optimised with 6.5A peak current limit and zero-current-detection, and offers a user with various measurements and evaluations to verify the performance of the DC/DC module in the presence of fast transients, input voltage, and load conditions.

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