Evb Interface; Power Interface - SimCom SIM7100x EVB User Manual

4 EVB Interface

4.1 Power Interface

Table 2: The Pin Description of the J202 Jumper
Pin Signal Name
1 Adapter_VBAT
2 VBAT
3 USB_VBAT
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.
If user wants to use USB bus as power supply, USB_VBAT should be connected to VBAT on J202
through a jumper as following figure shows.
SIM7100x EVB User Guide
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Figure 5: Power Jumper
Description
3.8V/2A form DC 5V
The power supply for SIM7100x VBAT
3.8V/0.7A form USB
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Smart Machine Smart Decision
2015-07-20