User's Manual

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FIBOCOM B830-GL Hardware User Manual_HP Customization Version Page 17 of 29
The stable power supply can ensure the normal operation of B830 module; and the ripple of the power
supply should be less than 300mV in design. So the power source should be not lower than 3.135V, or the
module may shut down or reboot. The power supply limits are shown in Figure 3-3:
Piezo PWM burst Piezo PWM burst
min:3.135V
Power supply
Ripple≤300mV
Drop
VBAT≥3.135V
Figure 3-3 Power Supply Limit
3.2.2 GPIO Logic level
The B830 module GPIO logic level definition as shown in the following table:
Parameters
Minimum
Maximum
V
IH
0.7 x VDD
VDD
V
IL
0V
0.3 x VDD
Note:
VDD is module power supply.
3.2.3 Power Consumption
In the condition of 3.3V power supply, the B830 power consumption as shown in the following table:
Parameter
Mode
Condition
Max
Current(mA)
Typical
Current(mA)
I
Deep sleep
Deep sleep
Deep sleep
1
0.03
I
Idle
Idle
Idle
2
1.0
I
1LE
RMS
1LE @+6dBm
100
20
Peak
1LE @+6dBm
150
75
I
2LE
RMS
2LE @+6dBm
100
15
Peak
2LE @+6dBm
150
70
I
s2
RMS
S2 @+6dBm
100
18