Texas Instruments provides a recommended PCB layout in the TPS92660PWP/NOPB evaluation module documentation, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
The input capacitor selection depends on the input voltage, output current, and operating frequency. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value between 4.7uF to 10uF. Additionally, consider the capacitor's ESR, ESL, and ripple current rating to ensure it can handle the switching frequency and output current.
The maximum output current of the TPS92660PWP/NOPB is dependent on the input voltage, output voltage, and thermal conditions. While the datasheet specifies a maximum output current of 6A, the actual output current may be limited by the device's thermal performance, PCB layout, and cooling conditions. It's recommended to perform thermal analysis and testing to determine the maximum output current for a specific application.
The TPS92660PWP/NOPB has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor divider network. The OCP threshold can be set by selecting the appropriate resistor values. Additionally, the device also has a hiccup mode that can be enabled to prevent damage from repeated overcurrent events.
The recommended operating temperature range for the TPS92660PWP/NOPB is -40°C to 125°C. However, the device can operate up to 150°C with derated performance. It's essential to ensure proper thermal design and cooling to maintain the device within the recommended operating temperature range for reliable operation.
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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.
