SLVSIH2
May 2026
TPS61129-Q1
ADVMIX
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Synchronous Rectifier and True Shutdown
7.3.2
Device Enable
7.3.3
Down Mode Threshold
7.3.4
SYNC/MODE Configuration
7.3.5
Output Discharge
7.3.6
Soft Start and Short-Circuit Protection
7.3.7
Power-Good Indicator
7.3.8
Spread Spectrum Frequency Modulation
7.4
Device Functional Modes
7.4.1
Undervoltage Lockout
7.5
Programming
7.5.1
Programming the Output Voltage
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Inductor Selection
8.2.2.2
Input Capacitor Selection
8.2.2.3
Output Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Tape and Reel Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
Data Sheet
TPS61129-Q1 5.5V, 3.5A Isw Automotive Boost Converter With Clock Synchronization