Hardware Interface Description - KORE Telematics

XT55/56 Hardware Interface Description
Confidential / Released
s
6.4 Power supply ratings
Table 28: Power supply ratings (GSM part)
Parameter Description Conditions Min Typ Max Unit
GSM_BATT+
I GSM_BATT+
Supply voltage
Voltage drop
during transmit
burst
Voltage ripple
Average supply
current 3)
Peak supply
current (during
transmission slot
every 4.6ms)
1) Power control level PCL 5
Reference points on XT55/56:
TP GSM_BATT+ and TP GND (see
Figure 50).
Voltage must stay within the
min/max values, including voltage
drop, ripple, spikes.
Normal condition, power control
level for P out max
Normal condition, power control
level for P out max
@ f200kHz
3.3 4.2 4.8 V
50
400 mV
2 mV
POWER DOWN mode 50 100 µA
SLEEP mode @ DRX = 6 3 mA
IDLE mode
GSM850
EGSM 900
GSM 1800/1900
260
TALK mode
1) 4)
GSM850
GSM 1800/1900 2) 4) 180
1) 4)
EGSM 900 260
IDLE GPRS
GSM850
EGSM 900
GSM 1800/1900
300
DATA mode GPRS,
(4 Rx, 1 Tx)
1) 4)
GSM 850
GSM 1800/1900 2) 4) 230
1) 4)
EGSM 900 300
450
DATA mode GPRS,
(3 Rx, 2 Tx)
1) 4)
GSM 850 mA
GSM 1800/1900 2) 4) 330
1) 4)
EGSM 900 450
Power control level 1) 1.6 A
15
15
15
15
15
15
2) Power control level PCL 0
mA
mA
mA
mA
3) All average supply current values @ I GSM_VDD = 0mA
4)
Test conditions: 50Ω
XT55/56_hd_v02.06a Page 95 of 125 17.12.2004