User's Guide

Smart Machine Smart Decision
SIM5320ALD EVB User Guide 20.08.2014
8
4 Accessory Interface
4.1 Power Interface
Figure 3: Power selection jumper
Table 2: Power supply
Signal Input/Output Description
Adapter_VBAT O 3.8V/2A DC source input
USB_VBAT O 3.8V/0.5A DC source input
VBAT I DC source input
If user wants to use DC adapter as power supply, Adapter_VBAT should be connected to VBAT
on J202 through a jumper as following figure shows.
This board could be powered by USB bus. User should connect the USB pin. USB_VBAT is the
USB power out.If user wants to use USB VBUS to power up the module, please connect
connector VBAT with connector USB_VBAT as following figure shows.and disconnect
Adapter_VBAT.