CoreTigo TigoBridge SOM User manual

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 1 of 11
TigoBridge SOM Integration Quick
Guide
Revision 1.0
January 14, 2020

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 2 of 11
Approval Table ................................................................................................................................. 3
Revision Control ............................................................................................................................... 3
Glossary/Abbreviations..................................................................................................................... 3
1 Overview ................................................................................................................................... 4
1.1 Objective ............................................................................................................................ 4
1.2 TigoBridge SOM Integration folder content ...................................................................... 4
2 Mechanical design .................................................................................................................... 5
2.1 TigoBridge SOM dimensions ............................................................................................ 5
2.2 Antenna connection ............................................................................................................ 6
2.3 Placing the BTB connectors ............................................................................................... 7
3 Electrical design ........................................................................................................................ 8
3.1 BTB connectors schematics ............................................................................................... 8
3.1.1 Pinout description ....................................................................................................... 8
3.1.2 Application and implementation ................................................................................. 9
Figure 1: TigoBridge SOM height .................................................................................................... 5
Figure 2: TigoBridge SOM length .................................................................................................... 5
Figure 3: TigoBridge SOM width ..................................................................................................... 6
Figure 4: Matching board BTB connectors location......................................................................... 7
Figure 5: BTB connectors schematics .............................................................................................. 8
Figure 6: IOL Device M12 schematic .............................................................................................. 9
Figure 7: Pairing button schematic ................................................................................................. 10
Figure 8: RGB Led schematic......................................................................................................... 10
Figure 9: Power Led indication schematic ...................................................................................... 11
Table 1: BTB connector pinout......................................................................................................... 8
Table 2: Pairing button functionality .............................................................................................. 10
Table 3: RGB Led functionality ..................................................................................................... 10
Table 4: Power Led indication functionality .................................................................................. 11

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 3 of 11
Approval Table
Role Name Version Date
Written By
Yaniv Yardeni
1.
0
13/01/20
Reviewed By
Approved By
Revision Control
Author Name Description Revision
Date
Yaniv Yardeni Creation 1.0 03/01/20
Glossary/Abbreviations
Term Definition
SOM System on Module
BTB Board to board
GND Ground
IOL IO Link
IOLW IO Link wireless
RGB Red Green Blue

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 4 of 11
1 Overview
1.1 Objective
This document describes the design process for integration TigoBridge SOM on top of a Carrier
board.
The process of integrating TigoBridge SOM includes the following steps:
1. Mechanical design:
a. Placing the BTB connectors in the correct positions.
b. Considering TigoBridge SOM dimension for placing it inside the host enclosure.
c. Connecting and routing of the antenna cable.
2. Electrical design:
a. TigoBridge SOM pin out description and connectivity
b. Application and implementation
1.2 TigoBridge SOM Integration folder content
Provided with this guide please find the following files:
1. “TigoBridge.STEP” SOM STEP file
2. Example data sheet for UFL to SMA cable: “IPEX_MHF_Connector.pdf”
3. Example data sheet for a whip antenna: “W24-SSMA.pdf”
4. DXF file of “TigoBridgeMatingBoard.DXF” pcb (for correct positioning of the BTB
connectors)
5. Mollex BTB connectors data sheet – “533531671.pdf”, “533532071.pdf”

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 5 of 11
2 Mechanical design
2.1 TigoBridge SOM dimensions
Please consider TigoBridge SOM dimension in your design:
Height = 7mm
Figure 1: TigoBridge SOM height
Length = 30mm
Figure 2: TigoBridge SOM length

TigoBridge SOM Integration Quick Guide
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Copyright 2019, CoreTigo Ltd. Page 6 of 11
Width = 20mm
Figure 3: TigoBridge SOM width
Kindly implement TigoBridge SOM STEP file provided into your mechanical design, please
mind:
1. Location of the BTB connectors
2. Height constrains between TigoBridge SOM board to the host board
3. Location of the UFL connector for connecting the antenna and the height required for
physically connecting the UFL connector to the board
2.2 Antenna connection
After choosing the location of the SMA connector on the enclosure panel, one should design the
RF cable accordingly. Provided please find an example for UFL to SMA connection and an
example for a whip antenna.
Please take into consideration in your RF cable selection or design:
The UFL connector should be connected manually and maintain a steady connection
The RF cable UFL connectors adds height to the total PCB height
The RF cable length should not be short so physical pressure will imply on the UFL
connection
The RF cable should not be too long because unnecessary length adds to the cable
attenuation and degrade overall performance of the system
The selection of the RF cable should match the frequency band in use and the impedance
requirement:
o Frequency band: 2.4-2.48 [GHz]
o Impedance: 50Ω

TigoBridge SOM Integration Quick Guide
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Copyright 2019, CoreTigo Ltd. Page 7 of 11
2.3 Placing the BTB connectors
For placing the Molex BTB connector in the exact correct location, please use
TigoBridgeMatingBoard DXF file as a reference for your design and place the connector exactly
as in the DXF file.
Figure 4: Matching board BTB connectors location
All other information in the DXF file, but the Molex connectors, should be ignored.

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 8 of 11
3 Electrical design
3.1 BTB connectors schematics
Figure 5: BTB connectors schematics
3.1.1 Pinout description
Table 1: BTB connector pinout
Connector Pin number Pin name Description
J1 1,3,5 IO Link Con L+ power supply for the IO-Link
device
J1
2,4,6,16
GND
GND
J1
7
IO L
ink Con IQ
IOL
device
IQ
data line
J1
8
MCU
ORCA HCI CTS
Do not connect
J1
9
IO L
ink Con
C
Q
IOL
device
C
Q
data line
J1
10
MCU
ORCA HCI
T
X
Do not connect
J1
11
MCU
Co
n LOGGE
R H
Debug logger
input (o
ptional)
J1
12
MCU
ORCA HCI
RX
Do not connect
J1
13
Con MCU PB PAIR
Pairing button
J1
14
MCU
ORCA HCI
R
TS
Do not connect
J1
15
ORC
A MCU L
OGGER L
Do not connect
J2
1
Ext 3V3
P
ower
for SWD
flashing device
J2
2
Con MCU SWDIO
SWD IO
fl
ashing data
J2
3,5,9
,18,19
GND
GN
D
J2
4
Con MCU SWCLK
SWD
fl
ashing
clock
J2 6 Con MCU JTDO/D MCU
SWO
Do not connect
J2
7
MCU Con
Blue Led
Blue
color
control
for RGB led
J2
8
Con MCU JTDI
Do not connect
J2
10
Con MCU Reset
Reset
for
TigoBridge SOM
J2
11
MC
U Con
Red Led
Red
color
control
for RGB led
J2
12,14,16
VCC IN
VCC input power supply
J2
13
MCU Con Green Led
Gree
n
color
control
for RGB led
J2
15
MCU Con power Led
Power
indication
led
control
J2
17
Con MCU BOOT0
Do not connect
J2
20
MCU Con GPIO
Do not connect

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 9 of 11
3.1.2 Application and implementation
3.1.2.1 Connecting input power supply
Connect all J2 VCC IN power supply Pins to the power supply input, make sure trace
width or plane width satisfy the current consumption requirement of the IOL Device +
TigoBridge SOM
Connect all J2 GND Pins to the power supply input GND, make sure trace width or plane
width satisfy the current consumption requirement of the IOL Device + TigoBridge SOM
Input voltage should be in the range of 18-32 [Vdc]
Figure 6: Input power supply schematic
3.1.2.2 Connecting IOL Device
Connect all J1 L+ power supply Pins to the IOL Device power supply input L+, make sure
trace width or plane width satisfy the current consumption requirement of the IOL Device
Connect CQ data line to the appropriate CQ Pin for IOL data transmission
If required, connect IQ line to the appropriate IQ input Pin to the IOL Device
Connect al J1 GND Pins to the IOL Device GND Pins, make sure trace width or plane
width satisfy the current consumption requirement of the IOL Device
Figure 7: IOL Device M12 schematic

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 10 of 11
3.1.2.3 Pairing button
Pairing button should work according to the following functionality:
Table 2: Pairing button functionality
State Input
P
ressed
3.3V
Ope
n
GND
Figure 8: Pairing button schematic
Note: Do not use J2 Pin for power suppling the pairing button
3.1.2.4 RGB Led
RGB Led should be connected and work as follow:
Figure 9: RGB Led schematic
Table 3: RGB Led functionality
State Pin name Pin input (From TigoBridge SOM)
Blue color ON
MCU Con
Blue Led
GND
Blue color O
FF
MCU Con
Blue Led
Floating
(open)
Red
color ON
MC
U Con
Red Led
GND
Red
color O
FF
MC
U Con
Red Led
Floating
(open)
Green
color ON
MCU Con Green Led
GND
Gr
een
color O
FF
MCU Con Green Led
Floating
(open)
Note: Do not use J2 Pin for power suppling the RGB led

TigoBridge SOM Integration Quick Guide
All information presented in this document is confidential and for internal use only.
Copyright 2019, CoreTigo Ltd. Page 11 of 11
3.1.2.5 Power indication Led
Power indication Led should be connected and work as follow:
Figure 10: Power Led indication schematic
Table 4: Power Led indication functionality
State Pin name Pin input (From TigoBridge SOM)
Power
ON
MCU Con power Led
GND
Power
O
FF
MCU Con power Led
Floating
(open)
Note: Do not use J2 Pin for power suppling the power led
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