Electro-Static Discharge - SimCom SIM900D Hardware Design

I Peak current
VBAT-peak
* In above table the current consumption value is the typical one of the module tested in laboratory. In the mass production stage,
there may be differences among each individual.
5.8

Electro-Static Discharge

SIM900D is an ESD sensitive component, so more attention should be paid to the procedure of handling and
packaging. The ESD test results are shown in the following table.
Table 24 : The ESD characteristics (Temperature: 25 , Humidity
Pin
VBAT
SIM900D_Hardware Design_V2.02
BS-PA-MFRMS=5
BS-PA-MFRMS=2
GSM 850
EGSM 900
Idle mode
DCS 1800
PCS 1900
GSM 850
EGSM 900
Voice call
DCS 1800
PCS 1900
GSM 850
EGSM 900
Data mode
GPRS(1Rx,1Tx)
DCS 1800
PCS 1900
GSM 850
EGSM 900
Data mode
GPRS(4Rx,1Tx)
DCS 1800
PCS 1900
GSM 850
EGSM 900
Data mode
GPRS(3Rx,2Tx)
DCS 1800
PCS 1900
During Tx burst
℃
Contact discharge
±5KV
43
Smart Machine Smart Decision
1.2
1.5
22
PCL=5 250
PCL=12 110
PCL=19 80
PCL=0 175
PCL=7 95
PCL=15 75
PCL=5 240
PCL=12 110
PCL=19 88
PCL=0 170
PCL=7 88
PCL=15 80
PCL=5 270
PCL=12 155
PCL=19 125
PCL=0 205
PCL=7 126
PCL=15 119
PCL=5 450
PCL=12 202
PCL=19 143
PCL=0 300
PCL=7 139
PCL=15 126
2
: 45 %)
Air discharge
±10KV
mA
mA
mA
mA
mA
mA
mA
mA
A
2012-05-07