Specifications

Cinterion
®
TX62-W/TX82-W Hardware Interface Description
2.1 Application Interface
73
t TX62-W_TX62-W-x_TX82-W-x_HID_v01.200d 2022-09-08
Public / Preliminary
Page 26 of 170
2.1.2 Signal Properties
Table 4: Signal properties
Function Signal name IO Signal form and level Comment
Power
supply
BATT+
BB
BATT+
RF
I Normal voltage range:
TX82-W (LTE and GSM):
V
I
min = 3.1 V...V
I
max = 4.6V during
Tx burst on board
Imax
= 2A, during Tx burst (GSM)
__|¯¯|____|¯¯|__
N Tx = n * 577µs peak current every
4.616ms
TX82-W (LTE with GSM deactivated):
V
I
min = 2.8 V...V
I
max = 4.6V
TX82-W-B (LTE and GSM):
V
I
min = 3.1 V...V
I
max = 4.5V during
Tx burst on board
Imax
= 2A, during Tx burst (GSM)
__|¯¯|____|¯¯|__
N Tx = n * 577µs peak current every
4.616ms
TX82-W-B (LTE with GSM deactivated):
V
I
min = 2.9 V...V
I
max = 4.5V
TX62-W (LTE):
V
I
min = 2.55 V...V
I
max = 4.8V
TX62-W-B (LTE):
V
I
min = 2.5 V...V
I
max = 4.5V
TX62-W-C (LTE):
V
I
min = 3.2 V...V
I
max = 4.2V
All products:
V
I
norm = 3.8V
I
Power Down
= 14µA
Extended voltage range:
All products:
V
I
min = 2.5 V...V
I
max = 4.8V
Lines of BATT+ and GND
must be connected in
parallel for supply pur-
poses because higher
peak currents may occur.
BATT+
BB
at solder pads
needs an additional low
ESR 47
µF capacitor (e.g,
X7R MLCC, taking
DCbias into account).
BATT+
RF
at solder pads
needs an additional low
ESR 150
µF capacitor
(e.g, X7R MLCC, taking
DCbias into account) -
except for TX62-W, as in
this case BATT+RF is
internally not connected.
A minimum ESR value
<70mΩ is recommended.
Minimum voltage must
not fall below the speci-
fied normal minimum
voltage including drops,
ripple, spikes. Else the
module may perform an
uncontrolled shutdown.
However, if using the
extended voltage range,
i.e., down to 2.5V or up to
4.8V, the module remains
fully functional and safe
while possibly no longer
being fully compliant with
3GPP or other wireless
standards. Please note
that the module is in this
case switched on at a
voltage of >2.65V.
Please note that if both
voltage domains and
power supply lines are
referred to - i.e., BATT+
BB
and BATT+
RF
- BATT+ is
used throughout the doc-
ument.
Power
supply
GND Ground Application Ground