SLVUBN3B
May 2019 – December 2025
TPS2388
,
TPS23880
,
TPS23881
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
1.2
Description
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Input Power
2.2.1.1
Vpwr
2.2.1.2
3.3 V
2.2.1.3
3.3 V_ISO
2.2.2
Communication Interface
2.2.2.1
PSE I2C Communication
2.2.2.2
MCU - Host Communication
2.2.3
MSP430F523x and MSPM0G1107x Hardware Design
2.3
Highlighted Products
2.3.1
TPS23881
2.3.2
MSP430F523x and MSPM0G1107x
2.3.3
ISO1541
2.3.4
ISO7731
2.3.5
CSD19538
2.3.6
LM5017
2.3.7
LM5020
2.3.8
LM5050
2.3.9
INA240
2.3.10
REF3425
2.3.11
TPS3890
3
Hardware, Software, Testing Requirement and Test Result
3.1
Required Hardware and Software
3.1.1
Hardware
3.1.2
Software
3.2
Testing and Results
3.2.1
Test Setup
3.2.1.1
Hardware Setup
3.2.1.2
LED, Test Point, Jumper and Connector Settings
3.2.1.2.1
EVM LEDs
3.2.1.2.2
EVM Test Points
3.2.1.2.3
EVM Jumpers
3.2.1.2.4
EVM Input and Output Connectors
3.2.1.3
System Firmware GUI Setup
3.2.1.3.1
PSE System Firmware GUI Installation
3.2.1.3.2
PSE System Firmware GUI Operation
3.2.2
Test Results
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematic
4.1.2
Bill of Materials
4.1.3
PCB Layout Recommendations
4.1.3.1
Layout Prints
4.1.4
Altium Project
4.1.5
Gerber Files
4.1.6
Assembly Drawings
4.2
Software Files
4.3
Related Documentation
4.4
Trademarks
5
Revision History
Design Guide
24-Port (4 Pair) Power Sourcing Equipment Reference Design for Multiport Applications