SLVSET8A May   2019  – August 2019 TPS2596

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      2.      TPS25963x 1KV EFT Response
  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 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 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
        2. 8.3.2.2 Overvoltage Clamp
      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 Analog Load Current Monitor (IMON)
      5. 8.3.5 Overtemperature Protection (OTP)
      6. 8.3.6 Fault Indication
    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 3: Multiple Devices, Self-Controlled
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Precision Current Limiting and Protection for White Goods
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
        1. 9.2.3.1 Programming the Current-Limit Threshold: RILM Selection
        2. 9.2.3.2 Undervoltage and Overvoltage Lockout Set Point
        3. 9.2.3.3 Setting Output Voltage Ramp Time (TdVdT)
          1. 9.2.3.3.1 Case 1: Start-Up Without Load. Only Output Capacitance COUT Draws Current
          2. 9.2.3.3.2 Case 2: Start-Up With Load. Output Capacitance COUT and Load Draw Current
      4. 9.2.4 Support Component Selection: RFLT and CIN
      5. 9.2.5 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Current Limiting and Overvoltage Protection and for Energy Meter Power Rails
      2. 9.3.2 Precision Current Limiting and Protection in Appliances
  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. 12.2 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

7.8 Typical Characteristics

TPS2596 D002.gif
A.
OUT = OPEN
Figure 2. TPS25963x Quiescent Current
TPS2596 D022.gif
A.
OVCSEL = OPEN, VIN = 19 V
Figure 4. TPS25962x Quiescent Current During Overvoltage Clamping
TPS2596 D021.gif
A.
OUT = OPEN
Figure 3. TPS25962x Quiescent Current
TPS2596 D005.gif
A.
VEN/UVLO = 1 V
Figure 5. Disabled State Current
TPS2596 D004.gif
A.
VEN/UVLO = 0 V
Figure 6. Shutdown Current
TPS2596 D006.gif
A.
IOUT = 200 mA
Figure 7. ON Resistance
TPS2596 D007.gif
A.
Figure 8. IN Supply Undervoltage Threshold
TPS2596 D008.gif
A.
VIN = 12 V
Figure 9. EN/UVLO Disable Threshold
TPS2596 D014.gif
A.
Figure 10. EN/UVLO Shutdown Threshold for Lowest Current Consumption
TPS2596 D009.gif
A.
Figure 11. EN/UVLO Pin Leakage Current
TPS2596 D001.gif
A.
Figure 12. TPS25963x Overvoltage Lockout Threshold
TPS2596 D003.gif
A.
Figure 13. TPS25963x OVLO Pin Leakage Current
TPS2596 D017.gif
A.
ROUT = 10 KΩ
Figure 14. TPS25962x Overvoltage Clamp Threshold
TPS2596 D018.gif
A.
OVCSEL = Short to GND, VIN = 4.2 V
Figure 15. TPS25962x Overvoltage Clamping Voltage
TPS2596 D024.gif
A.
OVCSEL = 400 KΩ to GND, VIN = 6.1 V
Figure 16. TPS25962x Overvoltage Clamping Voltage
TPS2596 D025.gif
A.
OVCSEL = OPEN, VIN = 14.4 V
Figure 17. TPS25962x Overvoltage Clamping Voltage
TPS2596 D019.gif
A.
Figure 18. DVDT Charging Current
TPS2596 D020.gif
A.
Figure 19. DVDT Gain
TPS2596 D010.gif
A.
Figure 20. Current Limit vs RILM
TPS2596 D011.gif
A.
Across Process, Voltage and Temperature Corners, VDS = 0.5 V
Figure 21. Current Limit Accuracy
TPS2596 D015.gif
A.
VOUT = 0 V, RILM = 7.87 KΩ
Figure 22. Current Limit Foldback
TPS2596 D016.gif
A.
VOUT = 0 V, RILM = 453 Ω
Figure 23. Current Limit Foldback
TPS2596 D013.gif
A.
Figure 24. Current Monitor Gain
TPS2596 D023.gif
A.
1- Layer PCB: 2 oz Cu with GND Plane area: 4.43 cm2 (Top)
Figure 26. Thermal Shutdown Plot
TPS2596 Waveform-Hotplug.png
A.
VIN = 12 V, COUT = 220 μF, RILM = 453 Ω
Figure 28. Input Hotplug Response
TPS2596 Waveform-Inrush-no-dVdt-control.png
A.
VIN = 12 V, COUT = 10 μF, RILM = 453 Ω, CDVDT = OPEN
Figure 30. Output Voltage Ramp and Inrush Current at Start Up, CdVdT = OPEN
TPS2596 Waveform-Wake-up-with-VIN.png
A.
VIN = 12 V, VEN = 3.3 V
Figure 32. Turn ON with VIN
TPS2596 Waveform-CL-TSD-Latch-off.png
A.
VIN = 12 V, RILM = 453 Ω, ROUT = 5 Ω
Figure 34. Thermal Shutdown Latch-off Response - TPS2596x0
TPS2596 Waveform-Hotshort-while-ON.png
A.
VIN = 12 V, RILM = 453 Ω
Figure 36. Short-Circuit While ON Response
TPS2596 Waveform-Power-up-into-short.png
A.
VIN = 12 V, RILM = 453 Ω
Figure 38. Power Up Into Short-Circuit
TPS2596 Waveform-OVLO-entry.png
A.
VIN increased from 12 V to 15 V
Figure 40. TPS25963x Overvoltage Lockout Response
TPS2596 Waveform-OVC-5-7V.png
A.
OVCSEL = 400 KΩ to GND, VIN increased from 5 V to 7 V
Figure 42. TPS25962x Overvoltage Clamp Response
TPS2596 D012.gif
A.
Across Process, Voltage and Temperature Corners, All values normalized to mean GIMON value of 656 μA/A
Figure 25. Current Monitor Accuracy
TPS2596 D026.gif
A.
2- Layer PCB: 2 oz Cu with GND Plane area: 4.93 cm2 (Top) and 1.07 cm2 (Bottom)
Figure 27. Thermal Shutdown Plot
TPS2596 Waveform-Inrush-dVdt-limited.png
A.
VIN = 12 V, COUT = 10 μF, RILM = 453 Ω, CDVDT = 2200 pF
Figure 29. Output Voltage Ramp and Inrush Current at Start Up, CdVdT = 2200 pF
TPS2596 Waveform-Wake-up-with-EN.png
A.
VIN = 12 V, VEN = 3.3 V
Figure 31. Turn ON with EN
TPS2596 Waveform-CL-Load-Step.png
A.
VIN = 12 V, RILM = 453 Ω, ROUT Varied From 8.33 Ω to 4.54 Ω
Figure 33. Overcurrent Response
TPS2596 Waveform-CL-TSD-Auto-retry.png
A.
VIN = 12 V, RILM = 453 Ω, ROUT = 5 Ω
Figure 35. Thermal Shutdown Auto-Retry Response - TPS2596x1
TPS2596 Waveform-Hotshort-while-ON-zoomed.png
A.
VIN = 12 V, RILM = 453 Ω
Figure 37. Short-Circuit While ON Response (Zoomed In)
TPS2596 Waveform-Power-up-into-short-zoomed.png
A.
VIN = 12 V, RILM = 453 Ω
Figure 39. Power Up Into Short-Circuit (Zoomed In)
TPS2596 Waveform-OVC-3-7V.png
A.
OVCSEL = Shorted to GND, VIN increased from 3 V to 5 V
Figure 41. TPS25962x Overvoltage Clamp Response
TPS2596 Waveform-OVC-13-8V.png
A.
OVCSEL = OPEN, VIN increased from 12 V to 14 V
Figure 43. TPS25962x Overvoltage Clamp Response