SLVSBD0B
November 2012 – June 2020
TPS2553-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application as USB Power Switch
4
Revision History
5
Pin Configuration and Functions
Pin 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
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Overcurrent Conditions
8.3.2
Reverse-Voltage Protection
8.3.3
FAULT Response
8.3.4
Undervoltage Lockout (UVLO)
8.3.5
Enable (EN)
8.3.6
Thermal Sense
8.4
Device Functional Modes
8.5
Programming
8.5.1
Programming the Current-Limit Threshold
9
Application and Implementation
9.1
Application Information
9.1.1
Constant-Current and Impact on Output Voltage
9.1.2
Accounting for Resistor Tolerance
9.1.3
Input and Output Capacitance
9.2
Typical Applications
9.2.1
Application 1: Designing Above a Minimum Current-Limit
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Application 2: Designing Below a Maximum Current-Limit
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.3
Application 3: Auto-Retry Functionality
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.4
Application 4: Two-Level Current-Limit Circuit
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
9.2.5
Application 5: Typical Application as USB Power Switch
9.2.5.1
Design Requirements
9.2.5.2
Detailed Design Procedure
9.2.5.2.1
Universal Serial Bus (USB) Power-Distribution Requirements
10
Power Supply Recommendations
10.1
USB Self-Powered (SPH) and Bus-Powered (BPH) Hubs
10.2
USB Low-Power Bus-Powered and High-Power Bus-Powered Functions
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Power Dissipation and Junction Temperature
12
Device and Documentation Support
12.1
Device Support
12.2
Support Resource
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DBV|6
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsai1_oa
6.6
Typical Characteristics
t =1 mS/div
Figure 1.
Turnon Delay and Rise Time
t =1 mS/div
Figure 3.
Device Enabled Into Short-Circuit
Figure 5.
Short-Circuit to Full-Load Recovery Response
Figure 7.
Short-Circuit to No-Load Recovery Response
Figure 9.
1 Ω to No Load Transient Response
Figure 11.
Reverse-Voltage Protection Recovery
Figure 13.
I
IN
– Supply Current, Output Disabled – μA
Figure 15.
Current-Limit Response – μs
Figure 17.
Switch Current Vs. Drain-Source Voltage Across Switch
t =1 mS/div
Figure 2.
Turnoff Delay and Fall Time
Figure 4.
Full-Load to Short-Circuit Transient Response
Figure 6.
No-Load to Short-Circuit Transient Response
Figure 8.
No Load to 1-Ω Transient Response
Figure 10.
Reverse-Voltage Protection Response
Figure 12.
UVLO – Undervoltage Lockout – V
Figure 14.
I
IN
– Supply Current, Output Enabled – μA
Figure 16.
MOSFET r
DS(on)
Vs. Junction Temperature
Figure 18.
Switch Current Vs. Drain-Source Voltage Across Switch
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