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  • TPS3760-Q1 High Voltage Supervisor with Programmable Sense and Reset Delay Function for Automotive

    • SBVS419A March   2022  – September 2023 TPS3760-Q1

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  • TPS3760-Q1 High Voltage Supervisor with Programmable Sense and Reset Delay Function for Automotive
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Device Comparison
  7. 6 Pin Configuration and Functions
  8. 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 Timing Diagrams
    8. 7.8 Typical Characteristics
  9. 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 Undervoltage Lockout (VPOR < VDD < UVLO)
        2. 8.3.1.2 Power-On Reset (VDD < VPOR )
      2. 8.3.2 SENSE
        1. 8.3.2.1 SENSE Hysteresis
      3. 8.3.3 Output Logic Configurations
        1. 8.3.3.1 Open-Drain
        2. 8.3.3.2 Push-Pull
        3. 8.3.3.3 Active-High (RESET)
        4. 8.3.3.4 Active-Low (RESET)
      4. 8.3.4 User-Programmable Reset Time Delay
        1. 8.3.4.1 Reset Time Delay Configuration
      5. 8.3.5 User-Programmable Sense Delay
        1. 8.3.5.1 Sense Time Delay Configuration
      6. 8.3.6 Manual RESET (CTR / MR) Input
      7. 8.3.7 RESET Latch Mode
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Adjustable Voltage Thresholds
    3. 9.3 Typical Application
      1. 9.3.1 Design 1: Off-Battery Monitoring
        1. 9.3.1.1 Design Requirements
        2. 9.3.1.2 Detailed Design Procedure
        3. 9.3.1.3 Application Curves
    4. 9.4 Power Supply Recommendations
      1. 9.4.1 Power Dissipation and Device Operation
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
      3. 9.5.3 Creepage Distance
  11. 10Device and Documentation Support
    1. 10.1 Device Nomenclature
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Mechanical, Packaging, and Orderable Information
  13. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • DYY|14
    • MPSS114C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • sbvs419a_oa
  • sbvs419a_pm
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Data Sheet

TPS3760-Q1 High Voltage Supervisor with Programmable Sense and
Reset Delay Function for Automotive

1 Features

  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature TA
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C7B
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Wide supply voltage range: 2.7 V to 65 V
  • SENSE and RESET pins are 65 V graded
  • Low quiescent current: 1 µA (typical)
  • Flexible and wide voltage threshold options
    Table 10-1
    • 2.7 V to 36 V (1.5% maximum accuracy)
    • 800 mV option (1% maximum accuracy)
  • Built-in hysteresis (VHYS)
    • Percentage options: 2% to 13% (1% steps)
    • Fixed options: VTH < 8 V = 0.5 V, 1 V, 1.5 V,
      2 V, 2.5 V
  • Programmable reset time delay
    • 10 nF = 12.8 ms, 10 μF = 12.8 s
  • Programmable sense time delay
    • 10 nF = 1.28 ms, 10 μF = 1.28 s
  • Manual Reset (MR) feature
  • Output reset latching feature
  • Output topology: Open-Drain or Push-Pull

2 Applications

  • Telematics control unit
  • Emergency call system
  • Audio amplifier
  • Head unit and cluster
  • Sensor fusion and cameras
  • Body control module

3 Description

The TPS3760-Q1 is a 65 V input voltage detector with 1 μA IDD and 1% accuracy, and a fast detection time. This device can be connected directly to 12 V / 24 V automotive battery system for continuous monitoring of over (OV) or under (UV) voltage conditions; with its internal resistor divider, it offers the smallest total solution size. Wide hysteresis voltage options are available to ignore cold crank, start-stop and various car battery voltage transients. Built-in hysteresis on the SENSE pin prevents false reset signals when monitoring a supply voltage rail.

The separate VDD and SENSE pins allow redundancy sought by high-reliability automotive systems and SENSE can monitor higher and lower voltages than VDD. Optional use of external resistors are supported by the high impedance input of the SENSE pin. CTS and CTR pins allow delay adjustability on the rising and falling edges of the RESET signals. Also, CTS functions as a debouncer by ignoring voltage glitches on the monitored voltage rails; CTR operates as a manual reset (MR) that can be used to force a system reset.

The TPS3760 is available in a 4.1-mm×1.9-mm SOT 14-pin package. TPS3760 operates over –40°C to +125°C TA.

Device Information
PART NUMBER PACKAGE ((1)) BODY SIZE (NOM)
TPS3760-Q1 SOT-23 (14) (DYY) 4.1 mm × 1.9 mm
(1) For package details, see the mechanical drawing addendum at the end of the data sheet.
GUID-20210901-SS0I-9PTG-12S8-KCSJLDLK3JFR-low.svgTypical Application Circuit
GUID-C56FC32D-3259-4ECB-BEB4-01DBA74E3916-low.svgTypical IDD vs VDD

 
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