Users Manual Part 1

SIM8260A_Hardware Design_V1.05
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This chapter is under development. The indicated peak power consumption data is an estimated value, not
the final measured data. The data will be supplemented by subsequent versions.
Figure 4: Power consumption at ENDC combination of B2 (20MHz) and N79 (100MHz)
Test conditions

The total capacitors of VBAT net are not less than 640uF.

The peak current is only the current consumption of the module, don’t include the current
consumption of other devices outside the module.

The I
peak
and voltage drop data in Table and Figure above were tested using SIMCom EVB and
connecting instrument at 3.8V power supply, the ENDC combination is B2 (20MHz) and N79
(100MHz), subcarrier spacing is 30KHz.

The B2 (20MHz) and N79 (100MHz) ENDC combination is the max power consumption of the
module.
When WLAN and Ethernet functions are added according to SIMCOM's reference design, the peak
current of the entire system can reach 2.6A. For ensure the normal operation of the module and
peripherals, it is strongly recommended that the DC-DC or LDO output capacity is not less than 3A.
Figure 5: Power consumption of entire systeam
NOTE
NOTE