TPS61230AEVM-767

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The Texas Instruments TPS61230AEVM-767 is an evaluation module for offline switch-mode power supply (SMPS) integrated circuits. It is used as an evaluation board to measure the performance and capabilities of the TPS61230A DC/DC & AC/DC converter. The evaluation board is designed to measure various parameters, such as input/output voltage, ripple voltage, efficiency, thermal performance, and other parameters.

The TPS61230AEVM-767 utilizes 4-switching topology to deliver excellent performance and high efficiency. It operates over a wide input supply voltage range of 4.5 V to 16 V, and supports an output voltage range of 1.2 V. It has a maximum output current of 500 mA.

The TPS61230A device is composed of a high-side PMOS, a low-side NMOS, three delays, a high-low current threshold comparator (ICTH), a feedback amplifier, a feedback voltage comparator, and the power stage. The device operates in either a buck or boost mode, providing up to 95% efficiency. It also features a soft-start capability and under-voltage lockout for both buck and boost modes.

The evaluation board includes a 12 V to 16 V input voltage step-down resistor divider, a 0 V to 15 V adjustable output voltage resistor divider, a voltage isolation transformer, an opto-isolator for feedback, and several other components. The input and output voltage dividers are used to adjust the input and output voltages. The voltage isolation transformer is used to isolate the output voltage from the input voltage, preventing the output voltage from being affected by changes in the input voltage. The opto-isolator is used to provide the output voltage feedback, preventing instability due to noise or mismatches between the input and output circuit impedances.

The evaluation board provides an adjustable output voltage as high as 16 V, and operates in either buck or boost mode. The efficiency is excellent, ranging from 85% to 95%. It also has a thermal shutdown feature that activates when the device gets too hot, protecting the board from damage due to excessive temperatures. The TPS61230AEVM-767 also includes a fast circuit performance measuring instrument, which allows for the fast measurement of circuit performance parameters, such as efficiency and output ripple.

The TPS61230AEVM-767 evaluation board is an excellent tool for testing the performance and assessing the capabilities of the TPS61230A DC/DC & AC/DC converter. It provides a convenient and efficient means of measuring its performance parameters, and is ideal for verifying design specifications. With its wide input supply and output voltage range, and its high efficiency, the TPS61230AEVM-767 is an excellent choice for applications requiring a reliable and high-performance offline SMPS solution.

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