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

7.7 Typical Characteristics

TPS2595 D008_SLVSE57.gif
A.
IOUT = 0.5A , Different Input Voltages
Figure 3. On-resistance vs Temperature
TPS2595 D004_SLVSE57.gif
A.
TPS2595x5
Figure 5. UVP Threshold vs Temperature
TPS2595 D006_SLVSE57.gif
A.
TPS2595x0/1/5, Different Input Voltages
Figure 7. UVLO Threshold vs Temperature
TPS2595 D003_SLVSE57.gif
A.
Figure 9. Quiescent Current vs Input Voltage
TPS2595 D010_SLVSE57.gif
A.
TPS25953x, Different Output Load Currents
Figure 11. OVC Threshold vs Temperature
TPS2595 D012_SLVSE57.gif
A.
Figure 13. Output Current Limit (ILIMIT) vs RILM
TPS2595 D023_SLVSE57.gif
A.
Different RILM values
Figure 15. Output Current Limit vs VDS
TPS2595 D028_SLVSE57.gif
A.
VIN = 3.3 V, Different RILM values
Figure 17. Output Current Limit Accuracy vs Temperature
TPS2595 D030_SLVSE57.gif
A.
VIN = 12 V, Different RILM values
Figure 19. Output Current Limit Accuracy vs Temperature
TPS2595 D031_SLVSE57.gif
A.
Normalized to reference value of GIMON = 276uA/A
Figure 21. Load Current Monitor Gain Accuracy vs Load Current
TPS2595 D024_SLVSE57.gif
A.
Different CdVdt values
Figure 23. ON Slew Rate vs Input Voltage
TPS2595 D026_SLVSE57.gif
A.
Different CdVdt values
Figure 25. Turn OFF Delay vs Input Voltage
TPS2595 D019_SLVSE57.gif
A.
TPS2595x1/3/5, Different Input Voltages
Figure 27. Thermal Shutdown Auto-Retry Interval vs Temperature
TPS2595 D002_SLVSE57.gif
A.
TPS2595x0/1/5, EN=GND, OUT=Open, Different Input Voltages
Figure 4. Shutdown Current vs Temperature
TPS2595 D005_SLVSE57.gif
A.
TPS2595x0/1/3
Figure 6. UVP Threshold vs Temperature
TPS2595 D007_SLVSE57.gif
A.
TPS259573, Different Input Voltages
Figure 8. OVLO Threshold vs Temperature
TPS2595 D009_SLVSE57.gif
A.
TPS25954x, Different Output Load Currents
Figure 10. OVC Threshold vs Temperature
TPS2595 D011_SLVSE57.gif
A.
TPS25952x, Different Output Load Currents
Figure 12. OVC Threshold vs Temperature
TPS2595 D013_SLVSE57.gif
A.
VIN = 12V, Different RILM values
Figure 14. Output Current Limit (ILIMIT) vs Temperature
TPS2595 D027_SLVSE57.gif
A.
VIN = 5 V
Figure 16. Output Current Limit Accuracy vs Output Current Limit
TPS2595 D029_SLVSE57.gif
A.
VIN = 5 V, Different RILM values
Figure 18. Output Current Limit Accuracy vs Temperature
TPS2595 D020_SLVSE57.gif
A.
Different Output Load Currents
Figure 20. Load Current Monitor Gain vs Temperature
TPS2595 D022_SLVSE57.gif
A.
Different CdVdt values
Figure 22. Turn on Delay vs Input Voltage
TPS2595 D025_SLVSE57.gif
A.
Different CdVdt values
Figure 24. Rise Time vs Input Voltage
TPS2595 D001_SLVSE57.gif
A.
Figure 26. Thermal Shutdown Time vs Power Dissipation
TPS2595 tps2595x-en-startup-vin-equals-12v-cin-equals-0-1uF-cout-equals-10uF-rlim-equals-487-en-equals-0-5v-01-scope-shot.gif
VIN = 12 V, COUT = 10 µF, RILM = 487 Ω, VEN = 5 V
Figure 28. Output Voltage Ramp and Inrush Current at Start Up, CdVdT = Open
TPS2595 tps2595x-turn-on-off-delay-vin-equals-12v-CIN-equals-0-1uf-COUT-equals-1uF-RLIM-equals-487-RL-equals-100-ohm-01-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω, ROUT = 100 Ω
Figure 30. Turn ON Delay
TPS2595 tps2595x-auto-retry-latch-vin-equals-12v-cin-equals-0-1uF-cout-equals-1uF-rlim-equals-487-rl-equals-12Ohm-2Ohm-12Ohm-01-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω, ROUT varied from 12 Ω to 2 Ω to 12 Ω
Figure 32. TPS2595x1, TPS2595x3, TPS2595x5 OverCurrent Response
TPS2595 tps2595x-hot-short-vin-equals-12v-cin-equals-10mf-cout-equals-1uf-rlim-equals-487-02-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω
Figure 34. Output Hot Short to GND Response
TPS2595 tps2595x-wakeup-at-short-vin-equals-12v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-02-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω
Figure 36. Wake Up With Output Short to GND
TPS2595 tps2595x-load-transient-in-equals-12v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-iout-equals-4a-4-8a-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω, IOUT stepped from 4 A to 4.8 A
Figure 38. Output Load Transient Response
TPS2595 tps2595x-ovp-vin-equals-12v-18v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-fltb-equals-3-3v-through-10k-rload-equals-100-ohm-01-scope-shot.gif
1.
VIN stepped from 12 V to 18 V, COUT = 1 µF, RILM = 487 Ω, FLT = 3.3 V through 10 kΩ, ROUT = 100 Ω
Figure 40. TPS259573 Overvoltage Lockout Response
TPS2595 tps2595x-ovc-vin-equals-3v-6v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-fltb-equals-3-3v-through-10k-rload-equals-10-ohm-scope-shot.gif
1.
VIN stepped from 3 V to 6 V, COUT = 1 µF, RILM = 487 Ω, FLT= 3.3 V through 10 kΩ, ROUT = 10 Ω
Figure 42. TPS25952x Overvoltage Clamp Response
TPS2595 tps2595x-qod-vin-equals-5v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-01-scope-shot.gif
1.
VIN Stepped from 12 V to 15 V, COUT = 1 µF, RILM = 487 Ω, FLT = 3.3 V through 10 kΩ, ROUT = 20 Ω
Figure 44. TPS25954x Overvoltage Clamp Response
TPS2595 tps2595x-qod-vin-equals-5v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-02-scope-shot.gif
1.
VIN = 5 V, COUT = 1 µF, RILM = 487 Ω
Figure 46. TPS2595x5 Quick Output Discharge, EN stepped from 5 V to 1 V
TPS2595 tps2595x-en-startup-vin-equals-12v-cin-equals-0-1uF-cout-equals-10uF-rlim-equals-487-en-equals-0-5v-02-scope-shot.gif
1.
VIN = 12 V, COUT = 10 µF, RILM = 487 Ω, VEN = 5 V
Figure 29. Output Voltage Ramp and Inrush Current at Start Up, CdVdT = 22 nF
TPS2595 tps2595x-turn-on-off-delay-vin-equals-12v-CIN-equals-0-1uf-COUT-equals-1uF-RLIM-equals-487-RL-equals-100-ohm-02-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω, ROUT = 100 Ω
Figure 31. Turn OFF Delay
TPS2595 tps2595x-auto-retry-latch-vin-equals-12v-cin-equals-0-1uF-cout-equals-1uF-rlim-equals-487-rl-equals-12Ohm-2Ohm-12Ohm-02-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω, ROUT varied from 12 Ω to 2 Ω to 12 Ω
Figure 33. TPS2595x0 Overcurrent Response
TPS2595 tps2595x-hot-short-vin-equals-12v-cin-equals-10mf-cout-equals-1uf-rlim-equals-487-01-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω
Figure 35. Output Hot Short to GND Response (Zoomed In)
TPS2595 tps2595x-wakeup-at-short-vin-equals-12v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-01-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω
Figure 37. Wake Up With Output Short to GND (Zoomed In)
TPS2595 tps2595x-hot-plug-vin-equals-12v-cin-equals-0-1uf-cout-equals-1uF-rlim-equals-487-fltb-equals-3-3v-through-10k-scope-shot.gif
1.
VIN = 12 V, COUT = 1 µF, RILM = 487 Ω, FLT = 3.3 V through 10 kΩ
Figure 39. Hot Plug Response
TPS2595 tps2595x-ovp-vin-equals-12v-18v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-fltb-equals-3-3v-through-10k-rload-equals-100-ohm-02-scope-shot.gif
1.
VIN stepped from 12 V to 18 V, COUT = 1 µF, RILM = 487 Ω, FLT = 3.3 V through 10 kΩ, ROUT = 100 Ω
Figure 41. TPS259573 Overvoltage Lockout FLT Response
TPS2595 tps2595x-ovc-vin-equals-5v-8v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-fltb-equals-3-3v-through-10k-rload-equals-10-ohm-scope-shot.gif
1.
VIN stepped from 5 V to 8 V, COUT = 1 µF, RILM = 487 Ω, FLT = 3.3 V through 10 kΩ, ROUT = 10 Ω
Figure 43. TPS25953x Overvoltage Clamp Response
TPS2595 tps2595x-ovc-vin-equals-12v-15v-cin-equals-0-1uf-cout-equals-1uf-rlim-equals-487-fltb-equals-3-3v-through-10k-rload-equals-20-ohm-scope-shot.gif
1.
VIN = 5 V, COUT = 1 µF, RILM = 487 Ω
Figure 45. TPS2595x5 Quick Output Discharge, EN stepped from 5 V to 0 V