User Instructions

BG2-E/BG2-W Hardware Interface Overview
5.6 Power Supply Ratings
25
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BG2_HIO_v01.000 Page 25 of 30 2010-8-30
Confidential / Released
5.6 Power Supply Ratings
Table 15: Power supply ratings
1
1.
GSM850 and GSM1900 bands are applicable for the quad band module variant BG2-W only.
Parame-
ter
Description Conditions Min Typ Max Unit
BATT+ Supply voltage Voltage must stay within the min/
max values, including voltage
drop, ripple and spikes.
3.3 4.0 4.5 V
Voltage drop during
transmit burst
Normal condition, power control
level for P
out max
400 mV
Voltage ripple Normal condition, power control
level for P
out max
@ f<250kHz
@ f>250kHz
85
25
mVpp
I
VDDLP
OFF state supply
current
RTC backup
@ BATT+ = 0V
@ VDDLP = 2.3V
8.0 µA
Power Down mode 45 µA
I
BATT+
Average supply cur-
rent
SLEEP mode, GSM
2
@ DRX = 2
@ DRX = 5
@ DRX = 9
2.
Measurements start 3 minutes after the module was switched ON,
Averaging times: SLEEP mode - 3 minutes; IDLE mode - 1.5 minutes,
Communication tester settings: no neighbour cells, no cell reselection etc.
2.1
1.5
1.1
mA
SLEEP mode, GPRS
2
@ DRX = 2
@ DRX = 5
@ DRX = 9
2.2
1.5
1.2
mA
IDLE mode
2
8.6 mA
TALK mode GSM
GSM850/EGSM 900
3
GSM 1800/1900
4
3.
Power control level PCL 5
4.
Power control level PCL 0
200
150
mA
DATA mode GPRS 1 TX, 4 Rx
GSM 850/EGSM 900
3
GSM 1800/1900
4
180
145
mA
DATA mode GPRS 2 Tx, 3 Rx
GSM 850/EGSM 900
3
GSM 1800/1900
4
330
260
mA
Peak supply current
(during transmission
slot every 4.6ms)
Power Control Level
GSM 850/EGSM 900
3
GSM 1800/1900
4
1.30
0.95
1.35
0.97
A