HP module EVK hardware user guide – XM112, XB112
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LH112
Page 10 of 41
© 2018 by Acconeer – All rights reserved
2022-08-25
3.1.2 Power
The EVK is powered via the USB connectors on XB112. USB1 powers the USB-UART chip (U4) and
the XM112. USB2 powers the USB-SPI chip (U5). If no SPI data is needed, the USB2 can be left
unconnected. USB1 must however always be connected. If the USB-UART interface is not used, a
dedicated USB charger can be inserted to USB1.
When the power LED on the XB112 is lit, the breakout board and the XM112 radar module (if
connected to the board-to-board connector on the top side of XB112) are powered on and ready for
use. For details regarding the power management on XB112, refer to the XB112 product brief.
