TIDUBF0
January 2022
Description
Resources
Features
Applications
5
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
PCB and Form Factor
2.2.2
Power Supply Design
2.2.2.1
POC Filter
2.2.2.2
Power Supply Considerations
2.2.2.2.1
Choosing External Components
2.2.2.2.2
Choosing the Buck 1 Inductor
2.2.2.2.3
Choosing the Buck 2 and Buck 3 Inductors
2.2.2.3
Functional Safety
2.3
Highlighted Products
2.3.1
OX01F10 Imager
2.3.2
DS90UB933-Q1
2.3.3
TPS650320-Q1
2.4
System Design Theory
3
Hardware, Testing Requirements, and Test Results
3.1
Hardware Requirements
3.1.1
Hardware Setup
3.1.2
FPD-Link III I2C Initialization
3.1.3
OX01F10 Initialization
3.2
Test Setup
3.2.1
Power Supplies Start Up
3.2.2
Setup for Verifying I2C Communications
3.3
Test Results
3.3.1
Power Supplies Start-Up
3.3.2
Power Supply Start-Up—1.8-V Rail and PDB
3.3.3
Power Supply Voltage Ripple
3.3.4
Power Supply Load Currents
3.3.5
I2C Communications
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
Bill of Materials
4.1.3
PCB Layout Recommendations
4.1.3.1
Layout Prints
4.1.3.2
PMIC Layout Recommendations
4.1.3.3
Serializer Layout Recommendations
4.1.3.4
Imager Layout Recommendations
4.1.3.5
PCB Layer Stackup Recommendations
4.1.4
Altium Project
4.1.5
Gerber Files
5
Tools and Software
6
Documentation Support
7
Support Resources
8
Trademarks
1.1
Key System Specifications
Table 1-1 Key System Specifications
PARAMETER
COMMENTS
MIN
TYP
MAX
UNIT
V
IN
Supply voltage
Power over coax (POC)
4.5
9
18.3
V
P
TOTAL
Total power consumption
V
POC
= 12 V
—
0.6
1
W
A
PCB
PCB Area
—
—
18 x 18
mm
2