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M80 EVB User Guide

M80_EVB_UGD_V1.2 - 11 -

3. Application

3.1. Power

Figure 4: Adapter interface

Table 2: Pin of adapter interface

Signal

I/O

Description

Note

Adapter input

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

Quectel

Confidential

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Sim2 M80 Guide de l'utilisateur Page 12