SLVSC55D
August 2013 – June 2025
TPS62090-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Enable and Disable (EN)
6.3.2
Soft Start (SS) and Hiccup Current Limit During Start-Up
6.3.3
Voltage Tracking (SS)
6.3.4
Short-Circuit Protection (Hiccup Mode)
6.3.5
Output Discharge Function
6.3.6
Power Good Output (PG)
6.3.7
Frequency Set Pin (FREQ)
6.3.8
Undervoltage Lockout (UVLO)
6.3.9
Thermal Shutdown
6.3.10
Charge Pump (CP, CN)
6.4
Device Functional Modes
6.4.1
Pulse Width Modulation Operation
6.4.2
Power Save Mode Operation
6.4.3
Low-Dropout Operation (100% Duty Cycle)
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Inductor Selection
7.2.2.2
Input and Output Capacitor Selection
7.2.2.3
Setting the Output Voltage
7.2.3
Application Curves
7.3
System Examples
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Third-Party Products Disclaimer
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGT|16
MPQF119H
Thermal pad, mechanical data (Package|Pins)
RGT|16
QFND098S
Orderable Information
slvsc55d_oa
slvsc55d_pm
Data Sheet
TPS62090-Q1 3A, High-Efficiency, Automotive, Synchronous Step-Down Converter
With DCS-Control