User guide

M80 EVB User Guide
M80_EVB_User_Guide_V1.2 - 12 -
3. Application
3.1. Power
Figure 4: Adapter interface
Table 2: Pin of adapter interface
Pin
Signal
I/O
Description
1
Adapter input
I
5V/2A DC source input
3.1.1. LDO
M80 EVB uses LDO to supply power for the module. The schematic of the LDO is shown as
below. In order to measure the VBAT voltage, adjust VBAT which is fed from the customer
device, or test module, M80 EVB reserves a test point.
GND
1
Quectel
Confidential