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TPS2595xx 2.7 V to 18 V, 4-A, 34-mΩ eFuse With Fast Overvoltage Protection
SLVSE57C
June 2017 – April 2018
TPS2595
PRODUCTION DATA.
CONTENTS
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TPS2595xx 2.7 V to 18 V, 4-A, 34-mΩ eFuse With Fast Overvoltage Protection
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
TPS25953x Overvoltage Clamp Response Time
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin 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
Switching Characteristics
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Undervoltage Protection (UVP) and Undervoltage Lockout (UVLO)
8.3.2
Overvoltage Protection
8.3.2.1
Overvoltage Lockout (OVLO)
8.3.2.2
Overvoltage Clamp (OVC)
8.3.3
Inrush Current, Overcurrent and Short Circuit Protection
8.3.3.1
Slew Rate and Inrush Current Control (dVdt)
8.3.3.2
Active Current Limiting
8.3.3.3
Short Circuit Protection
8.3.4
Overtemperature Protection (OTP)
8.3.5
Fault Indication (FLT )
8.3.6
Quick Output Discharge (QOD)
8.4
Device Functional Modes
8.4.1
Enable and Fault Pin Functional Mode 1: Single Device, Self-Controlled
8.4.2
Enable and Fault Pin Functional Mode 2: Single Device, Host-Controlled
8.4.3
Enable and Fault Pin Functional Mode 2: Multiple Devices, Self-Controlled
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
Programming the Current-Limit Threshold: RILM Selection
9.2.2.2
Undervoltage Lockout Set Point
9.2.2.3
Setting Output Voltage Ramp Time (TdVdT)
9.2.2.3.1
Case 1: Start-Up Without Load. Only Output Capacitance COUT Draws Current
9.2.2.3.2
Case 2: Start-Up With Load. Output Capacitance COUT and Load Draw Current
9.2.3
Support Component Selection: CIN
9.2.4
Application Curves
9.2.5
Controlled Power Down (Quick Output Discharge) using TPS2595x5
9.2.6
Overvoltage Lockout using TPS259573
10
Power Supply Recommendations
10.1
Transient Protection
10.2
Output Short-Circuit Measurements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.1.2
Related Links
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DSG|8
MPDS308C
Thermal pad, mechanical data (Package|Pins)
DSG|8
QFND141I
Orderable Information
slvse57c_oa
slvse57c_pm
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DATA SHEET
TPS2595xx 2.7 V to 18 V, 4-A, 34-mΩ eFuse With Fast Overvoltage Protection
1
Features
Wide Input Voltage Range: 2.7 V to 18 V
20 V Absolute Maximum
3 V to 18 V for TPS2595x5 Version
Low On-Resistance: R
ON
= 34 mΩ (Typical)
Fast Overvoltage Protection Clamp (3.8-V, 5.7-V, and 13.7-V options) With a Response Time of 5 µs (Typical)
TPS2595x0, TPS2595x1, TPS2595x5: Active High Enable Input With Adjustable Undervoltage Lockout (UVLO)
TPS2595x3: Active Low Enable Input With Adjustable Overvoltage Lockout (OVLO)
Adjustable Current Limit With Load Current Monitor Output (ILM)
Current Range: 0.5 A to 4 A
Current Limit Accuracy: ±7.5%
Adjustable Output Slew Rate Control (dVdt)
Over Temperature Protection (OTP)
Fault Indication Pin (
FLT
)
UL 2367 Recognition – File No. E169910
R
ILM
>= 487 Ω (4.42 A maximum)
IEC 62368-1 Certified
Safe During Single Point Failure Test (IEC 62368-1)
ILM Pin Open/Short Detection
2
Applications
Hot-Swap, Hot-Plug
Adapter Powered Systems
Multi-function Printers
SSDs and HDDs
Industrial Systems
White Goods
Set-Top Box
Digital TV