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XT65/XT75 Hardware Interface Overview
6.6 Power Supply Ratings
6.6
Power Supply Ratings
Table 18: Power supply ratings
Parameter
Description
BATT+
Supply voltage
Voltage drop during
transmit burst
Voltage ripple
I
OFF State supply
VDDLP
current
I
BATT+
Average standby
supply current
(GPS off)
Average supply cur-
rent for GPS part
(GSM in IDLE
mode, w/o active
GPS antenna)
1.
Measured after module INIT (switch ON the module and following switch OFF); applied voltage on BATT+ (w/o
INIT) show increased POWER DOWN supply current.
2.
Additional conditions:
- SLEEP and IDLE mode measurements started 5 minutes after switching ON the module or after mode transition
- Averaging times: SLEEP mode - 3 minutes; IDLE mode - 1.5 minutes
- Communication tester settings: no neighbor cells, no cell reselection
- USB interface disabled
3.
Stated value applies to operation without autobauding (AT+IPR
4.
Stated value applies to operation without autobauding (AT+IPR
age current consumption in IDLE mode is up to 43mA.
5.
1 fix/s, tracking on 6 channels, depends on FXN configuration settings
XT65_XT75_HO_v00.130
Confidential / Preliminary
Conditions
Directly measured at reference point TP
BATT+ and TP GND.
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
@ f<200kHz
@ f>200kHz
RTC Backup @ BATT+ = 0V
POWER DOWN mode
SLEEP mode @ DRX = 9
2
SLEEP mode @ DRX = 5
SLEEP mode @ DRX = 2
IDLE mode @ DRX = 2
Satellite acquisition (no position found)
5
Tracking mode
Sleep state
Shut down mode
Page 43 of 67
Min
3.3
1
≠
0).
≠
0). If autobauding is enabled (AT+IPR=0) aver-
s
Typ
Max
Unit
3.8
4.5
V
400
mV
50
mV
2
mV
40
µA
60
120
µA
3
3.7
mA
3
4.6
mA
3
7.0
mA
4
28
mA
68
mA
70
mA
32
mA
28
mA
2006-10-12
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