The TPS55288EVM board can be enabled to work by the following steps:

Step 1: Set JP1 to the ON position. Turn on the power supply.

Step 2: Open the TPS55288EVM GUI.

Step 3: Click the auto connect button on the slave address widget (Figure 4-2). It will automatically check for slave addresses (0x74, 0x75) and connect the GUI with the device. After the GUI and device are connected, the GUI reads all eight registers and shows a notification (Figure 4-3).

Figure 4-2 GUI Auto Connect Button

Figure 4-3 GUI Auto Connect Notification

Step 4: Click the start button. It will show the GUI user interface of TPS55288EVM-045 (Figure 4-4).

Figure 4-4 GUI User Interface of TPS55288EVM-045

Step 5: Click the Enable button (Figure 4-5). The default output voltage is 5 V.

Figure 4-5 ENABLE Button

Step 6: Set the output voltage, current limit point, and so forth according to the design target. If the maximum load current is ≥ 5 A, uncheck the ‘Enable Current Limit’ check box or increase the current limit value (Figure 4-6).

Figure 4-6 Output Current Limit Point Setting