SBAU485 July 2025
Option | Function | Default |
|---|---|---|
R504 | Enables the 5V DC/DC converter by connecting to the VBUS rail (12-60V) | Populated |
| R505 | Connects the output of the 5V DC/DC converter to the P5V rail | Populated |
| R514 | Enables the 3.3V DC/DC converter by connecting to the P5V rail | Unpopulated |
| R512 | Connects the output of the 3.3V DC/DC converter to the P3V3 rail | Unpopulated |
C211, R206 | Switch node snubber circuit | Unpopulated |
R603 | Connects the 3.3V rail from the LaunchPad to the P3V3 rail for delta-sigma modulators | Populated |
R604 | Connects the 5V rail from the LaunchPad to the P5V rail for the GaN half-bridge modules | Unpopulated |
| R621 | Bypass the modulators clock buffer | Unpopulated |
R613, R614 | Rewires modulator data to additional pins for LAUNCHXL-F280039C compatibility | Populated |
| R618 | Connects modulator clock return for SDFM module | Populated |
R617 | Allows connecting complementary modulator clock (PWM) to the SDFM module for delay compensation. Refer to the Clock Edge Delay Compensation With Isolated Modulators Digital Interface to MCUs application note. | Unpopulated |
The C2000 LaunchPad is powered from the USB by default. Assembling the R604 jumper allows powering the LaunchPad through the EVM. In this case, remove JP1 jumper from the LAUNCHXL-F28P65X. Refer to the C2000™ F28P65x Series LaunchPad™ Development Kit user's guide for further power configurations.