SARA-R4 datasheet(22/43 Pages) U-BLOX

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SARA-R4 series - Data sheet

UBX-16024152 - R18

Electrical specifications

Page 22 of 43

4.2.3 Supply/power pins

Symbol

Parameter

Module

Min.

Typical

Max.

Unit

VCC

Module supply normal operating input voltage 22

SARA-R404M

SARA-R410M

SARA-N410

3.2

3.8

4.2

SARA-R412M

3.2

3.8

4.5

Module supply extended operating input voltage 23

SARA-R404M

SARA-R410M

SARA-N410

3.0

3.8

4.3

SARA-R412M

3.0

3.8

4.5

Table 10: Input characteristics of the Supply/Power pins

Symbol

Parameter

Module

Min. Typical

Max.

Unit

VSIM

SIM supply output voltage with 1.8 V external SIM

All

1.80

SIM supply output voltage with 3.0 V external SIM

All

2.95

V_INT

Generic Digital Interfaces supply output voltage

All

1.80

I_INT

Generic Digital Interfaces supply output current capability All

Table 11: Output characteristics of the Supply/Power pins

22 Input voltage at VCC must be above the normal operating range minimum limit to switch on the module. RF performance

may be affected when the input voltage at VCC drops below the herein stated normal operating range minimum limit, though

the module is still fully functional.

23 Ensure that input voltage at VCC never drops below the extended operating range minimum limit during module operation:

the cellular module may switch off when the VCC voltage value drops below the herein stated extended operating range

minimum limit.24 All values with VCC = 3.8 V, with UART connected and USB disconnected.

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