SNVSBA1B April   2019  – April 2020 TPS3840-Q1

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application Circuit
  4. Revision History
  5. Device Comparison
  6. Pin Configuration and Functions
    1.     Pin Functions
  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 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Voltage (VDD)
        1. 8.3.1.1 VDD Hysteresis
        2. 8.3.1.2 VDD Transient Immunity
      2. 8.3.2 User-Programmable Reset Time Delay
      3. 8.3.3 Manual Reset (MR) Input
      4. 8.3.4 Output Logic
        1. 8.3.4.1 RESET Output, Active-Low
        2. 8.3.4.2 RESET Output, Active-High
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation (VDD > VDD(min))
      2. 8.4.2 VDD Between VPOR and VDD(min)
      3. 8.4.3 Below Power-On-Reset (VDD < VPOR)
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design 1: Dual Rail Monitoring with Power-Up Sequencing
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Design 2: Automotive Off-Battery Monitoring
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves: TPS3840EVM
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Nomenclature
    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

Typical Characteristics

Typical characteristics show the typical performance of the TPS3840-Q1 device. Test conditions are TJ = 25°C, VDD = 3.3 V, Rpull-up = 100 kΩ, CLoad = 50 pF, unless otherwise noted.
TPS3840-Q1 IDDvsVDD_DL49.gifFigure 7. Supply Current vs Supply Voltage for TPS3840DL49-Q1
TPS3840-Q1 IDDvsVDD_PH49.gifFigure 9. Supply Current vs Supply Voltage for TPS3840PH49-Q1
TPS3840-Q1 VIT_accuracy_PL.gifFigure 11. Negative-going Input Threshold Accuracy over Temperature for TPS3840PL-Q1
TPS3840-Q1 Vhys_acc_vs_temp_DL.gifFigure 13. Input Threshold VIT- Hysteresis Accuracy for TPS3840DL-Q1
TPS3840-Q1 Vhys_acc_vs_temp_PH.gifFigure 15. Input Threshold VIT- Hysteresis Accuracy for TPS3840PH-Q1
TPS3840-Q1 VRESET_VDD_PL.gifFigure 17. Output Voltage vs Input Voltage for TPS3840PL49-Q1
TPS3840-Q1 VOL_IRESET_DL.gifFigure 19. Low Level Output Voltage vs IRESET for TPS3840DL49-Q1
TPS3840-Q1 VOL_IRESET_PL.gifFigure 21. Low Level Output Voltage vs IRESET for TPS3840PL49-Q1
TPS3840-Q1 VOL_IRESET_PH.gifFigure 23. Low Level Output Voltage vs IRESET for TPS3840PH49-Q1
TPS3840-Q1 VOH_IRESET_PL.gifFigure 25. High Level Output Voltage vs IRESET for TPS3840PL49-Q1
TPS3840-Q1 VOH_IRESET_PH.gifFigure 27. High Level Output Voltage vs IRESET for TPS3840PH49-Q1
TPS3840-Q1 MR_L_DL.gifFigure 29. Manual Reset Logic Low Voltage Threshold Over Temperature for TPS3840DL-Q1
TPS3840-Q1 MR_L_PH.gifFigure 31. Manual Reset Logic Low Voltage Threshold Over Temperature for TPS3840PH-Q1
TPS3840-Q1 MR_H_PL.gifFigure 33. Manual Reset Logic High Voltage Threshold Over Temperature for TPS3840PL-Q1
TPS3840-Q1 GlitchimmunityPL28.gifFigure 35. Glitch Immunity on VIT- vs Overdrive (Data Taken with TPS3840PL28-Q1)
TPS3840-Q1 Startuptime.gifFigure 37. Startup Delay Over Temperature
TPS3840-Q1 Delaywithcap.gifFigure 39. Reset Time Delay vs Capacitor Value (Data Taken with TPS3840PL16-Q1)
TPS3840-Q1 Delaywithcap_large.gifFigure 41. Reset Time Delay vs Large Capacitor Values (Data Taken with TPS3840PL16-Q1)
TPS3840-Q1 MR_res.gifFigure 43. Propagation Time Delay from MR Asserted to Reset Over Temperature
TPS3840-Q1 IDDvsVDD_PL49_smooth.gifFigure 8. Supply Current vs Supply Voltage for TPS3840PL49-Q1
TPS3840-Q1 VIT_accuracy_DL.gifFigure 10. Negative-going Input Threshold Accuracy over Temperature for TPS3840DL-Q1
TPS3840-Q1 VIT_accuracy_PH.gifFigure 12. Negative-going Input Threshold Accuracy over Temperature for TPS3840PH-Q1
TPS3840-Q1 Vhys_acc_vs_temp_PL.gifFigure 14. Input Threshold VIT- Hysteresis Accuracy for TPS3840PL-Q1
TPS3840-Q1 VRESET_VDD_DL.gifFigure 16. Output Voltage vs Input Voltage for TPS3840DL49-Q1
TPS3840-Q1 VRESET_VDD_PH.gifFigure 18. Output Voltage vs Input Voltage for TPS3840PH49-Q1
TPS3840-Q1 VOLvsVDD_DL49.gifFigure 20. Low Level Output Voltage vs VDD for TPS3840DL49-Q1
TPS3840-Q1 VOLvsVDD_PL49.gifFigure 22. Low Level Output Voltage vs VDD for TPS3840PL49-Q1
TPS3840-Q1 VOLvsVDD_PH49.gifFigure 24. Low Level Output Voltage vs VDD for TPS3840PH49-Q1
TPS3840-Q1 VOHvsVDD_PL49.gifFigure 26. High Level Output Voltage over Temperature for TPS3840PL49-Q1
TPS3840-Q1 VOHvsVDD_PH49.gifFigure 28. High Level Output Voltage Over Temperature for TPS3840PH49-Q1
TPS3840-Q1 MR_L_PL.gifFigure 30. Manual Reset Logic Low Voltage Threshold Over Temperature for TPS3840PL-Q1
TPS3840-Q1 MR_H_DL.gifFigure 32. Manual Reset Logic High Voltage Threshold Over Temperature for TPS3840DL-Q1
TPS3840-Q1 MR_H_PH.gifFigure 34. Manual Reset Logic High Voltage Threshold Over Temperature for TPS3840PH-Q1
TPS3840-Q1 RCTvsTemp.gifFigure 36. CT Pin Internal Resistance Over Temperature
TPS3840-Q1 DelayTimenocap.gifFigure 38. Reset Time Delay with No Capacitor Over Temperature
TPS3840-Q1 Delaywithcap_small.gifFigure 40. Reset Time Delay vs Small Capacitor Values (Data Taken with TPS3840PL16-Q1)
TPS3840-Q1 TPHL.gifFigure 42. Propagation Detect Time Delay for VDD Falling Below VIT- (High-to-Low) Over Temperature
TPS3840-Q1 MRdeassert.gifFigure 44. Propagation Time Delay from MR Release to Deasserted Reset Over Temperature