SLVSE57C June   2017  – April 2018 TPS2595

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      2.      TPS25953x Overvoltage Clamp Response Time
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Undervoltage Protection (UVP) and Undervoltage Lockout (UVLO)
      2. 8.3.2 Overvoltage Protection
        1. 8.3.2.1 Overvoltage Lockout (OVLO)
        2. 8.3.2.2 Overvoltage Clamp (OVC)
      3. 8.3.3 Inrush Current, Overcurrent and Short Circuit Protection
        1. 8.3.3.1 Slew Rate and Inrush Current Control (dVdt)
        2. 8.3.3.2 Active Current Limiting
        3. 8.3.3.3 Short Circuit Protection
      4. 8.3.4 Overtemperature Protection (OTP)
      5. 8.3.5 Fault Indication (FLT )
      6. 8.3.6 Quick Output Discharge (QOD)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Fault Pin Functional Mode 1: Single Device, Self-Controlled
      2. 8.4.2 Enable and Fault Pin Functional Mode 2: Single Device, Host-Controlled
      3. 8.4.3 Enable and Fault Pin Functional Mode 2: Multiple Devices, Self-Controlled
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Programming the Current-Limit Threshold: RILM Selection
        2. 9.2.2.2 Undervoltage Lockout Set Point
        3. 9.2.2.3 Setting Output Voltage Ramp Time (TdVdT)
          1. 9.2.2.3.1 Case 1: Start-Up Without Load. Only Output Capacitance COUT Draws Current
          2. 9.2.2.3.2 Case 2: Start-Up With Load. Output Capacitance COUT and Load Draw Current
      3. 9.2.3 Support Component Selection: CIN
      4. 9.2.4 Application Curves
      5. 9.2.5 Controlled Power Down (Quick Output Discharge) using TPS2595x5
      6. 9.2.6 Overvoltage Lockout using TPS259573
  10. 10Power Supply Recommendations
    1. 10.1 Transient Protection
    2. 10.2 Output Short-Circuit Measurements
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
      2. 12.1.2 Related Links
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.5 Electrical Characteristics

(Test conditions unless otherwise noted) –40°C ≤ TJ ≤ 125°C, VIN = 12 V for TPS25954x/7x, VIN = 5 V for TPS25953x, VIN = 3.3 V for TPS25952x, VEN = 5 V (= 0 V for TPS2595x3 only) , RILM = 487 Ω , CdVdT = Open, OUT = Open. All voltages referenced to GND.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT SUPPLY (IN)
IQ IN quiescent current TPS2595x0/1/5 VEN ≥ VUVLO  175 250 µA
TPS2595x3 VEN ≤ VOVLO 
ISD IN shutdown current TPS2595x0/1/5 VEN < 0.5V VIN ≤ 5 V 0.04 µA
5 V < VIN ≤ 18 V 0.45 2 µA
TPS2595x3 VEN > 2 V 45 65 µA
VUVP IN Undervoltage Protection Threshold TPS2595x5 VIN Rising 2.7 2.8 2.9 V
TPS2595x5 VIN Falling 2.58 2.68 2.78 V
TPS2595x0/1/3 VIN Rising 2.44 2.54 2.64 V
TPS2595x0/1/3 VIN Falling 2.33 2.43 2.53 V
OUTPUT VOLTAGE CLAMP (OUT)
VOVC Overvoltage clamp threshold(4) TPS25952x VIN Rising, ROUT = 10 kΩ 3.65 3.87 4.1 V
TPS25953x 5.5 5.7 5.9 V
TPS25954x 13.3 13.7 14.3 V
VCLAMP Output voltage while clamping(4) TPS25952x VIN ≥ VOVC, IOUT = 10 mA 3.4 3.6 3.8 V
TPS25953x 5.2 5.45 5.7 V
TPS25954x 13 13.55 14.1 V
tOVC Output clamp response time(4) TPS25952x/3x/4x IOUT = 4 A 5 µs
IOUT = 100 mA 10 µs
OUTPUT CURRENT LIMIT AND MONITOR (ILM)
GIMON Current monitor gain as measured on ILM pin
(IILM / IOUT)		 IOUT = 4 A 254 276 299 µA/A
IOUT = 1 A 249 276 304 µA/A
ILIMIT IOUT Current limit(2) RILM = 487 Ω 3.87 4.17 4.42 A
RILM = 1780 Ω 1.09 1.17 1.24 A
RILM = 4420 Ω(1) 0.46 0.49 0.52 A
RILM = Open (Single Point Failure Test IEC 62368-1) 0 A
ICB IOUT Circuit Breaker Threshold during RILM Short condition RILM = Short to GND (Single Point Failure Test IEC 62368-1) 3 A
tLIM Current limit response time(2) IOUT> ILIMIT + 20% to IOUT ≤ ILIMIT 250 µs
tSC Short circuit response time(3) IOUT> ISC to IOUT ≤ ILIMIT 5 µs
ON-RESISTANCE (IN - OUT)
RON ON state resistance VIN = 4 V to 18 V TJ = 25°C 34 37 mΩ
TJ = –40°C to 85°C 47 mΩ
TJ = –40°C to 125°C 53 mΩ
VIN = 2.7 V to 4 V TJ = 25°C 36 40 mΩ
TJ = –40°C to 85°C 51 mΩ
TJ = –40°C to 125°C 58 mΩ
ENABLE / UNDERVOLTAGE LOCKOUT (EN/UVLO) - TPS2595x0/1/5
IEN EN/UVLO pin leakage current –0.1 0.1 µA
VUVLO(R) Undervoltage lockout threshold VEN rising 1.13 1.2 1.27 V
VUVLO(F) VEN falling 1.03 1.1 1.17 V
ENABLE / OVERVOLTAGE LOCKOUT (EN/OVLO) - TPS2595x3
IEN EN/OVLO pin leakage current –0.1 0.1 µA
VOVLO(R) Overvoltage lockout threshold VEN rising 1.13 1.2 1.27 V
VOVLO(F) VEN falling 1.03 1.1 1.17 V
tOVLO Overvoltage lockout response time VEN > VOVLO to FLT ↓  3 µs
FAULT INDICATION (FLT ) - TPS2595x0/1/3
RFLTB FLT pin resistance FLT ↓ 12 Ω
IFLTB FLT pin leakage current VEN = 2 V, VFLTB = 0 V to 6 V –0.1 0.1 µA
QUICK OUTPUT DISCHARGE (QOD) - TPS2595x5
RQOD QOD effective resistance IN connected to EN, OUT connected to QOD, EN↓ to 1V 19 Ω
OVERTEMPERATURE PROTECTION (TSD)
TSD Thermal shutdown TJ Rising 157 °C
TSDHYS Thermal shutdown hysteresis TJ Falling 5 °C
tTSD,RST Thermal Shutdown Auto-Retry Interval TPS2595x1/3/5 Device Enabled and TJ< TSD - TSDHYS 93 ms
(1) Guaranteed by design and characterization. Not tested at production.
(2) Refer to Fig 50
(3) Refer to Fig 52
(4) Refer to Fig 49