1 Step 1: Connect Power

The MTCH9010 Evaluation Kit can be powered in two ways:

  • USB-C®: A USB-C cable may be connected to the bottom-left port to provide power from a computer or USB power adapter
  • External Supply: Power can also be supplied through the VDD Pin on the External Control Interface
    Note: When powering the board externally through the External Control Interface (J100) header, the user must remove the jumper cap on the Power Select (J201) header to prevent potential damage.
Figure 1-1. External Control Interface

When power is applied:

  • The PWR LED will illuminate, indicating the board is receiving power
  • The ENUM LED will illuminate when the USB Bridge slider is set to ON and the USB interface is recognized (Universal Asynchronous Receiver Transmitter (UART) mode only)
If the board is powered through USB-C, the Power Select header can be used to choose the system voltage:
  • Place a jumper on 5.0V to use USB power directly
    Note: USB power can vary, typically from 4.4V to 5.5V.

  • Place jumper on 3.3V to route USB power through the on-board voltage regulator

Figure 1-2. USB-C Connector
Figure 1-3. External Control Interface
Important: When powering through the External Control Interface, the jumper on the Power Select header must be removed. The applied VDD becomes the system voltage. There is no polarity protection, so correct polarity must be applied to avoid damage.