Operating Conditions - SimCom SIM7000 Hardware Design

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5.2

Operating conditions

Table 29: Recommended operating ratings
Parameter
Voltage at VBAT
Voltage at USB_VBUS
Make sure that the voltage on the VBAT pins will never drop below 3.0V, even during a transmit
burst when current consumption may rise up to 2A. If the voltage drops below 3.0V, module will be
power down.
Table 30: 1.8V Digital I/O characteristics*
Parameter
Description
V
High-level input voltage
IH
V
Low-level input voltage
IL
V
High-level output voltage
OH
V
Low-level output voltage
OL
High-level output current(no
I
OH
pull down resistor)
Low-level output current(no pull
I
OL
up resistor)
Input high leakage current (no
I
IH
pull down resistor)
Input low leakage current(no
I
IL
pull up resistor)
*Note: These parameters are for digital interface pins, such as GPIOs (including NETLIGHT,
STATUS, SIM_DET), I2C, UART, PCM, MDM_LOG_TX and BOOT_CFG.
The operating temperature of SIM7000 is listed in the following table.
Table 31: Operating temperature
Parameter
Normal operation temperature
Extended operation temperature*
Storage temperature
*Note: Module is able to make and receive voice calls, data calls, SMS and make GPRS/LTE
traffic in -40℃ ~ +85℃. The performance will be reduced slightly from the 3GPP specifications
if the temperature is outside the normal operating temperature range and still within the extreme
operating temperature range.
Min.
Typ.
3.0
3.8
3.5
5.0
Min.
Typ.
1.17
1.8
-0.3
0
1.35
-
0
-
-
2
-
-2
-
-
-1
-
Min.
Typ.
-30
25
-40
25
-45
25
Max.
Unit
4.3
V
5.25
V
Max.
Unit
2.1
V
0.63
V
1.8
V
0.45
V
-
mA
-
mA
1
uA
-
uA
Max.
Unit
80
85
+90

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