Integration Guide

4117336 Rev 1.0 May 18, 2015 8
2. Power Interface
2.1. Power Supply
The AirPrime AR7552 embedded module is powered via a single regulated DC power supply, 3.7V
nominal. The power supply requirements can be found in the following table.
Table 2. Power Supply Requirements
Power Supply
Min
Typ
Max
Units
Main DC Power Input Range
3.4
3.7
4.2
V
Power Supply Ripple
0 to 1kHz
-
-
200
mVpp
>1kHz
-
-
50
mVpp
Maximum Current draw
AR7552
-
-
tbd
mA
AirPrime AR7552 does not support USB bus-powered operation. DC power must be supplied via the
VBATT input.
Table 3. Power Supply Pads
Pad
Name
Direction
Function
If Unused
EA2
VBATT
Input
Power Supply Input
Must Be Used
EB2
VBATT
Input
Power Supply Input
Must Be Used
EC2
VBATT
Input
Power Supply Input
Must Be Used
2.2. Absolute Maximum and ESD Ratings
This section defines the Absolute Maximum and Electrostatic Discharge (ESD) Ratings of the
AirPrime AR7552 embedded modules.
Warning: If these parameters are exceeded, even momentarily, damage may occur to the device.
Table 4. AirPrime AR7552 Absolute Maximum Ratings
Parameter
Min
Max
Units
VBATT
Power Supply Input
-
5.0
V
VIN
Voltage on any digital input or output pin
-
VCC_1v8+0.5
V
IIN
Latch-up current
-100
100
mA
Maximum Voltage applied to antenna interface pins
VANT
Primary Antenna
-
36
V
RX2 Antenna
-
36
V
GNSS Antenna
-
36
V
ESD Ratings