EVK-JODY-W3 - User guide
UBX-20030840 - R02
Board description
Page 16 of 29
Figure 9: Power supply and input voltage selection
4.3.1
Power supply selection
The selection for the external power supply sources is shown in Figure 10.
Figure 10: External power supply sources
3V3_IN is the input to the DC-DC converters on the EVK to generate the 3.3 V and 1.8 V voltages. The
jumpers J104-J106 are used to select to external power supply input for the EVK. The available
options are shown in Table 5.
Power supply source
Jumper configuration
3.3 V from PCIe interface
Use the M.2 or mini-PCIe adapter with the flat cable to connect to the host system.
3.3 V from SDIO interface
Use the micro SDIO adapter with the flat cable to connect to the host system.
5 V from USB interface
Use the Type-C USB cable to connect to the host system.
Note: The USB host port must be able to deliver a current of up to 1000 mA for Wi-Fi
operation. The current provided by a standard USB 2.0 interface is sufficient for Bluetooth-
only operation.
