TIDUEY1C
November 2020 – June 2025
BQ25798
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
TPS25751D
2.3.2
BQ25798
2.4
System Design Theory
2.4.1
TPS25751D PD Controller
2.4.2
BQ25798 Battery Charger
2.4.3
TPS54531 Buck Converter
2.4.4
TLV75533 LDO
2.4.5
USB Type-C® Receptacle
2.4.6
Supporting Components for Programming
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware and Software Requirements
3.2
Application Customization Tool
3.3
Test Setup
3.4
Test Results
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.1.3
Altium Project
4.2
Software
4.3
Documentation Support
4.4
Support Resources
4.5
Trademarks
5
About the Author
6
Revision History
4.3
Documentation Support
Texas Instruments,
TPS25751 USB Type-C
®
and USB PD Controller with Integrated Power Switches Optimized for Power Applications
data sheet
Texas Instruments,
BQ25798 I
2
C Controlled, 1- to 4-Cell, 5A Buck-Boost Battery Charger with Dual-Input Selector, MPPT for Solar Panels and Fast Backup Mode
data sheet
Texas Instruments,
Web-Based Application Customization Tool Guide for TPS25751