TIDUF34A
July 2023 – August 2025
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.3
Highlighted Products
2.3.1
DP83TD510E
2.3.2
AM2434
2.3.3
TPS2660
2.3.4
TPS79801-Q1
2.3.5
MSP430FR2476
2.3.6
TLV7031
2.3.7
ATL431
2.3.8
LM74700-Q1
2.3.9
TPS62825A
2.3.10
TPS61023
2.3.11
TLVM13630
2.3.12
LSF0108
3
System Design Theory
3.1
Power Supply
3.2
PoDL PD and Coupling Network
3.3
Sitara Technology Module
3.4
Boot Mode
3.5
PHI and BoosterPack Headers
4
Hardware, Software, Testing Requirements, and Test Results
4.1
Hardware Requirements
4.1.1
Boot Switch Configuration
4.1.2
Reference Design Start-Up
4.2
Software Requirements
4.2.1
PD Firmware
4.2.2
MCU Firmware
4.3
Test Setup
4.4
Test Results
5
Design and Documentation Support
5.1
Design Files
5.1.1
Schematics
5.1.2
BOM
5.2
Tools and Software
5.3
Documentation Support
5.4
Support Resources
5.5
Trademarks
6
About the Author
7
Revision History
5.3
Documentation Support
Texas Instruments,
DP83TD510E Ultra-Low-Power 802.3cg 10BASE-T1L 10M Single Pair Ethernet PHY Data Sheet
Texas Instruments,
AM243x Sitara™ Microcontrollers Data Sheet
Texas Instruments,
TPS2660x 60-V, 2-A Industrial eFuse With Integrated Reverse Input Polarity Protection Data Sheet
Texas Instruments,
TPS798xx-Q1 50 mA, 3 V to 50 V, Micropower, Low-Dropout Linear Regulator Data Sheet
Texas Instruments,
MSP430FR247x Mixed-Signal Microcontrollers Data Sheet
Texas Instruments,
TLV703x and TLV704x Small-Size, Nanopower, Low-Voltage Comparators Data Sheet
Texas Instruments,
ATL431, ATL432 2.5-V Low I
Q
Adjustable Precision Shunt Regulator Data Sheet
Texas Instruments,
LM74700-Q1 Low I
Q
Reverse Battery Protection Ideal Diode Controller Data Sheet
Texas Instruments,
TPS6282x 2.4-V to 5.5-V Input, 1-, 2-, 3-, 4-A Step-down Converter with 1% Output Accuracy Data Sheet
Texas Instruments,
TPS61023 3.7-A Boost Converter with 0.5-V Ultra-low Input Voltage Data Sheet
Texas Instruments,
TLVM13630 High-Density, 3-V to 36-V Input, 1-V to 6-V Output, 3-A Power Module With Enhanced HotRod™ QFN Package Data Sheet
Texas Instruments,
LSF0108 Channel Auto-Bidirectional Multi-Voltage Level Translator for Open-Drain and Push-Pull Applications Data Sheet