TI recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal impedance. A minimum of 2 oz copper thickness is recommended for the PCB.
To ensure stable output voltage regulation, it's essential to decouple the input voltage with a capacitor (e.g., 10uF) and to use a low-ESR output capacitor (e.g., 22uF). Additionally, ensure that the input voltage is within the recommended range (4.5V to 18V) and that the output voltage is set correctly using the FB pin.
The TPS92411DDAR can deliver up to 2A of output current, but this is dependent on the input voltage, output voltage, and thermal conditions. It's essential to check the thermal derating curves in the datasheet to ensure the device can handle the required output current.
The TPS92411DDAR has a built-in OCP feature that can be enabled by connecting a resistor (Rocp) between the OCP pin and GND. The OCP threshold is set by the value of Rocp, and the device will limit the output current to prevent damage in case of an overload.
The EN (enable) pin is used to turn the device on or off. When EN is high (logic level), the device is enabled, and when EN is low (logic level), the device is disabled. This pin can be used to implement power sequencing or to turn off the device when not in use.
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TPS92411DDAR Overview
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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.
