User's Manual

M50 Hardware Design
M50_HD_V2.0 - 75 -
5.3. Power supply ratings
Table 36: The module power supply ratings
Parameter Description Conditions Min Typ Max Unit
VBAT Supply
voltage
Voltage must stay within the
min/max values, including
voltage drop, ripple, and spikes.
3.3 4.0 4.6 V
Vdrop during
transmitting
burst
Maximum power control level
on GSM850 and GSM900.
400 mV
Voltage
ripple
Maximum power control level
on GSM850 and GSM900
@ f<200kHz
@ f>200kHz
50
2
mV
mV
I
VBAT
Average
supply
current
Power down mode
SLEEP mode @ DRX=5
30
1.3
uA
mA
Minimum functionality mode
AT+CFUN=0
IDLE mode
SLEEP mode
AT+CFUN=4
IDLE mode
SLEEP mode
13
0.98
13
1.0
mA
mA
mA
mA
IDLE mode
GSM850/EGSM 900
DCS1800/PCS1900
13
13
mA
mA
TALK mode
GSM850/EGSM 900
1)
DCS1800/PCS1900
2)
209/208
191/202
mA
mA
DATA mode, GPRS (3 Rx,2Tx)
GSM850/EGSM 900
1)
DCS1800/PCS1900
2)
435/400
313/337
mA
mA
DATA mode, GPRS(2 Rx,3Tx)
GSM850/EGSM 900
1)
DCS1800/PCS1900
2)
605/558
399/460
mA
mA
DATA mode, GPRS (4 Rx,1Tx)
GSM850/EGSM 900
1)
DCS1800/PCS1900
2)
265/240
200/212
mA
mA
DATA mode, GPRS
(1Rx,4Tx)
GSM850/EGSM 900
1)
615/560 mA
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