Quectel LC76G Series User Manual

GNSS Module Series
LC76G_Series_EVB_User_Guide 25 / 33
Power
Consumption
Meter
GND
VCC
Fi
gure 13: Measured with Power Consumption Meter for VCC or in ALP Mode
The EVB works normally. After entering the tracking mode, the module enters the ALP mode when the
$PAIR732,1*21 command is sent. Then, the power consumption of the ALP mode can be measured.
Record the average value when the power consumption in the ALP mode is stable. For more information,
see document [3] protocol specification.
6.3. V_BCKP Power Consumption Measurement
B
efore measuring the V_BCKP power consumption, you must connect the components to EVB to ensure
that the module can communicate and fix normally. See Chapter 4.1 Test via QGNSS.
D
etailed steps for measuring V_BCKP power consumption with an ammeter:
Step 1: Switch off the power supply (S201).
For LC76G (AB, PA), pull out the V_BACK_3V3 jumper cap (J205). Connect the ammeter in series to the
pins of J205, as shown below.
NOTE

Quectel LC76G Series Specifications

General

Brand	Quectel
Model	LC76G Series
Category	Motherboard
Language	English