Texas Instruments provides a recommended PCB layout in the TMS3637D datasheet (section 10.2) and in the application note SLUA623. It's essential to follow these guidelines to ensure optimal thermal performance and minimize thermal resistance.
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 9.2) and in the application note SLUA623. You can also use online calculators or consult with TI's support team for guidance.
The maximum output current capability of the TMS3637D is 3.6A. However, this value can be limited by the thermal performance of the device, PCB layout, and input voltage. It's essential to consult the datasheet and application notes for guidance on output current capability and thermal management.
The TMS3637D has a built-in overcurrent protection feature. You can implement it by connecting a sense resistor (RSENSE) between the output and GND pins. The device will limit the output current to a safe value when the sense voltage exceeds 50mV. Consult the datasheet (section 8.3) for more information.
The recommended input voltage range for the TMS3637D is 2.7V to 5.5V. Operating the device outside this range may affect its performance, efficiency, and reliability. Consult the datasheet (section 6.1) for more information.
TMS3637D datasheet
by Texas Instruments
