User's Guide

MC55i-W Hardware Interface Overview
5.6 Power Supply Ratings
25
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MC55i-W_HIO_v01.301 Page 25 of 30 2011-3-8
Confidential / Released
5.6 Power Supply Ratings
Table 15: Power supply ratings
Description Conditions Min Typ Max Unit
BATT+ Supply voltage Directly measured at module.
Voltage must stay within the min/
max values, including voltage drop,
ripple and spikes.
3.3 4.0 4.8 V
Maximum allowed
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
105
30
mV
pp
I
VDDLP
OFF state supply
current
RTC backup @ BATT+ = 0V 6.0 µA
I
BATT+
1
1.
With an impedance of Z
LOAD
=50Ohm at the antenna connector.
OFF state supply
current
POWER DOWN mode 45 µA
Average supply
current
SLEEP mode
2
@ DRX = 9
2.
ASC0, ASC1 inactive
Measurements start 6 minutes after switching on the module,
Averaging times: SLEEP mode - 3 minutes; transfer modes - 1.5 minutes,
Communication tester settings: no neighbour cells, no cell reselection etc.,
RMC (Reference Measurement Channel)
1.3 mA
SLEEP mode
2
@ DRX = 5 1.6 mA
SLEEP mode
2
@ DRX = 2 2.2 mA
IDLE mode
2
@ DRX = 2 9.5 mA
Voice call GSM850/900, PCL=5 180 mA
GPRS data transfer
GSM850/900 PCL=5, (1Tx/ 4Rx)
170 mA
GPRS data transfer
GSM850/900 PCL=5, (2Tx/ 3Rx)
310 mA
Voice call GSM1800/1900, PCL=0 135 mA
GPRS data transfer
GSM1800/1900 PCL=0, (1Tx/ 4Rx)
130 mA
GPRS data transfer
GSM1800/1900 PCL=0, (2Tx/ 3Rx)
230 mA
Voice call GSM850, PCL=5 1.35 1.38
3
A
Peak current during
GSM transmission
burst
Voice call GSM900, PCL=5 1.30 1.35
3
3.
At total mismatch.
A
Voice call GSM1800, PCL=0 0.95 0.98
3
A
Voice call GSM1900, PCL=0 0.89 0.92
3
A