SLUSCE3C
October 2015 – August 2020
TPS2549-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
FAULT Response
8.3.2
Cable Compensation
8.3.2.1
Design Procedure
8.3.3
D+ and D– Protection
8.3.4
Output and D+ or D– Discharge
8.3.5
Port Power Management (PPM)
8.3.5.1
Benefits of PPM
8.3.5.2
PPM Details
8.3.5.3
Implementing PPM in a System With Two Charging Ports (CDP and SDP1)
8.3.5.4
Implementing PPM in a System With Two Charging Ports (DCP and DCP1)
8.3.6
CDP and SDP Auto Switch
8.3.7
Overcurrent Protection
8.3.8
Undervoltage Lockout
8.3.9
Thermal Sensing
8.3.10
Current Limit Setting
8.4
Device Functional Modes
8.4.1
Device Truth Table (TT)
8.4.2
USB Specification Overview
8.4.3
Standard Downstream Port (SDP) Mode — USB 2.0 and USB 3.0
8.4.4
Charging Downstream Port (CDP) Mode
8.4.5
Dedicated Charging Port (DCP) Mode
8.4.5.1
DCP BC1.2 and YD/T 1591-2009
8.4.5.2
DCP Divider-Charging Scheme
8.4.5.3
DCP 1.2-V Charging Scheme
8.4.6
DCP Auto Mode
8.4.7
Client Mode
8.4.8
High-Bandwidth Data-Line Switches
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Input and Output Capacitance
9.2.2.2
Cable Compensation Calculation
9.2.2.3
Power Dissipation and Junction Temperature
9.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTE|16
MPQF149D
Thermal pad, mechanical data (Package|Pins)
RTE|16
QFND525B
Orderable Information
slusce3c_oa
slusce3c_pm
1
Features
AEC-Q100 Qualified With the Following Results:
Device HBM ESD Classification Level H2
Device CDM ESD Classification Level C5
4.5-V to 6.5-V Operating Range
47-mΩ (typ.) High-Side MOSFET
3.2-A Maximum Continuous Output Current
±5% CS Output for Cable Compensation
CDP Mode per USB Battery Charging Specification 1.2
Automatic DCP Modes Selection:
Shorted Mode per BC1.2 and YD/T 1591-2009
2.7-V Divider 3 Mode
1.2-V Mode
D+ and D– Client Mode for System Update
D+ and D– Short-to-V
BUS
Protection
D+ and D– ±8-kV Contact and ±15-kV Air Discharge ESD Rating (IEC 61000-4-2)
–40°C to 125°C Junction Operating Temperature
16-Pin QFN (3-mm × 3-mm) Package
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