SNVSCK4B April   2024  – October 2025 TPS3842-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specification
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Timing Diagram
    9. 6.9 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 SENSE Input
        1. 7.3.1.1 SENSE Hysteresis
      2. 7.3.2 Selecting the SENSE Delay Time
      3. 7.3.3 Selecting the RESET Delay Time
      4. 7.3.4 RESET Output
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation (VDD > VDD(min))
      2. 7.4.2 Above Power-On Reset but Less Than VDD(min) (VPOR < VDD < VDD(min))
      3. 7.4.3 Below Power-On Reset (VDD < VPOR)
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Meeting the Sense and Reset Delay
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
    2. 9.2 Documentation Support
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics

At 1.9V ≤ VDD ≤ 42V, CTS = CTR = Open, RESET Voltage (VRESET) = 100kΩ to VDD, RESET load = 50pF, and over the operating free-air temperature range of –40°C to 125°C, unless otherwise noted. Typical values are at TA = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VDD Supply Voltage 1.9 42 V
VPOR Power on reset voltage(1)
(Undervoltage variants)		 VOL(max) = 0.25V, IRESET (Sink) = 15µA 1.3 V
Power on reset voltage(1)
(Overvoltage variants)		 VOL(max) = 0.25V, IRESET (Sink) = 15µA or IRESET (Sink) = 15µA 1.7 V
VITN Negative-going threshold accuracy
(Undervoltage variants)		 Fixed internal threshold, VITN = 2.7V to 9.5V -1.5 ±0.5 1.5 %
Adjustable internal threshold, VITP = 700mV -1.5 ±0.5 1.5 %
VITP Positive-going threshold accuracy
(Overvoltage variants)		 Fixed internal threshold, VITP = 2.7V to 6.5V, 13V to 18V -1.5 ±0.5 1.5 %
Adjustable internal threshold, VITP = 700mV -1.5 ±0.5 1.5 %
VHYS Hysteresis Voltage(2) 1% Variant 0.5 1 1.5 %
VHYS Hysteresis Voltage(2) 5% Variant 4.5 5 5.5 %
VHYS Hysteresis Voltage(2) 10% Variant 9.5 10 10.5 %
IDD Supply current VDD = 12V, RESET or RESET = Not asserted 0.85 1.9 µA
ISENSE Input current, SENSE pin VSENSE = VIT, Adjustable version 25 nA
ISENSE Input current, SENSE pin VSENSE = 12V, Fixed versions 1.35 2.5 µA
VOL Low level output voltage 1.9V ≤ VDD < 42V, IRESET (Sink) = 0.5mA or IRESET (Sink) = 0.5mA 300 mV
ILKG Open drain output leakage current VDD = VRESET  = VRESET  =12V 300 nA
(1) VPOR is the minimum VDD voltage level for a controlled output state.
(2) Hysteresis is with respect of the tripoint VITP.