TPS82085EVM-672

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TPS82085EVM-672 is an evaluation board for the TPS82085 device, a high efficiency, synchronous buck pre-regulator from Texas Instruments. The board helps designers understand the device’s features and capabilities in applications where high board density is required. The device is suitable for use as a pre-regulator in lighting, industrial, medical, computer, and telecom system designs.

The TPS82085EVM-672 is a complete 8A per channel pre-regulator that operates from a 6V to 24V input and has four output voltages, 5V, 12V, 25V, and 33V. The TPS82085EVM-672 supports independent or simple parallel operation for each channel in order to obtain higher output current at up to 16A in each output. The board can be operated in continuous conduction mode (CCM) or discontinuous conduction mode (DCM), depending on the selected configuration.

The board features a number of features to facilitate the evaluation of the TPS82085 device in different applications. It includes a wide input voltage range of 6V to 24V, four pre-set output voltages (5V, 12V, 25V, and 33V), external GPIO (general-purpose input/output) to enable/disable the channels, soft start and sequencing to optimize the system startup and shutdown profiles, as well as LED indicators to provide feedback on the board’s current state. Additionally, the board comes with the necessary sense resistors and thermal pads for optimal system performance.

The TPS82085EVM-672 board is designed for operation in applications where board density is critical. The board’s small footprint (<13 x 12 cm) makes it suitable for applications that require a minimal footprint. Additionally, the board is fully tested and qualified to operate at full load while supporting compliance to common regulations, such as the IEC/EN 60950-1 and IEC/EN 62471 standards.

The TPS82085 device is an advanced synchronous buck pre-regulator for wide input voltage range applications. It is designed to deliver up to 8A of continuous current per channel and is capable of delivering up to 16A of continuous current by operating two channels in parallel. The device is composed of two synchronous buck controllers and two N-channel power MOSFETs in a single package. The device operates in either CCM or DCM mode, depending on the selected configuration.

The TPS82085 device is designed to minimize EMI and reduce board space. The device supports both Burst and Pulse-skipping operation, allowing the user to adjust the output voltage ripple to match the specific system requirements. Additionally, the device has an integrated over-temperature and current-sense capability to optimize system thermal performance and an adjustable soft start profile to minimize the inrush current during system start-up. The device is also programmed to save energy and reduce system heat dissipation by entering power-saving modes when the output current is low.

The TPS82085 is an excellent fit for applications like telecom and computing systems, industrial equipment, consumer electronics, and lighting systems. It combines optimal efficiency and board density in a wide range of configurations. The board’s small footprint and its ability to operate in parallel make it a great option for space-constrained designs. Additionally, the board’s features, including LED indicators for feedback, external GPIO to enable/disable the channels, and adjustable soft-start profile to minimize the inrush current, make it a reliable solution for system designers.

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