TI provides a recommended PCB layout in the datasheet (Figure 23) and in the TPS53624RHAT Evaluation Module User's Guide (SLUU444). It's essential to follow these guidelines to minimize noise, ensure proper thermal performance, and optimize overall device operation.
The input capacitor values depend on the input voltage, output voltage, and desired output ripple. TI provides a capacitor selection guide in the datasheet (Section 8.2.2.1) and in the TPS53624RHAT Calculator Tool (SWRA464). Use these resources to determine the optimal capacitor values for your specific application.
The TPS53624RHAT can deliver up to 2.4 A of output current. However, the maximum output current is dependent on the input voltage, output voltage, and thermal conditions. Be sure to check the datasheet (Section 6.3) and the thermal derating curves (Figure 14) to ensure the device can meet your specific current requirements.
The TPS53624RHAT has built-in OCP and SCP features. To implement these features, connect the OCP pin to a resistor divider network that sets the desired current limit. For SCP, connect the SCP pin to a resistor that sets the desired short-circuit detection threshold. Refer to the datasheet (Section 8.3.3) for more information and example circuits.
The EN (enable) pin is used to turn the device on or off. When EN is high, the device is enabled, and when EN is low, the device is disabled. You can use the EN pin to implement power sequencing, shutdown, or low-power modes in your system. Refer to the datasheet (Section 8.3.1) for more information on using the EN pin.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
