SLVS736C
February 2008 – October 2023
TPS2550
,
TPS2551
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Overcurrent
9.3.2
Reverse-Voltage Protection
9.3.3
FAULT Response
9.3.4
Undervoltage Lockout (UVLO)
9.3.5
ENABLE ( EN or EN)
9.3.6
Thermal Sense
9.3.7
Device Functional Modes
9.4
Programming
9.4.1
Programming the Current-Limit Threshold
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Two-Level Current-Limit Circuit
10.2.2
Design Requirements
10.2.3
Detail Design Procedures
10.2.3.1
Designing Above a Minimum Current Limit
10.2.3.2
Designing Below a Maximum Current Limit
10.2.3.3
Input and Output Capacitance
10.2.4
Auto-Retry Functionality
10.2.5
Latch-Off Functionality
10.2.6
Typical Application as USB Power Switch
10.2.6.1
Design Requirements
10.2.6.1.1
USB Power-Distribution Requirements
10.2.6.2
Detail Design Procedures
10.2.6.2.1
Universal Serial Bus (USB) Power-Distribution Requirements
10.3
Power Supply Recommendations
10.3.1
Self-Powered and Bus-Powered Hubs
10.3.2
Low-Power Bus-Powered and High-Power Bus-Powered Functions
10.3.3
Power Dissipation and Junction Temperature
10.4
Layout
10.4.1
Layout Guidelines
10.4.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Support Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRV|6
MPDS216E
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
DRV|6
QFND241B
Orderable Information
slvs736c_oa
slvs736c_pm
9.2
Functional Block Diagram