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TPS3842-Q1 Automotive 42V Small Size, 850nA Undervoltage Supervisor With Programmable Delay and De-Glitch
SNVSCK4A
April 2024 – August 2024
TPS3842-Q1
PRODUCTION DATA
CONTENTS
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TPS3842-Q1 Automotive 42V Small Size, 850nA Undervoltage Supervisor With Programmable Delay and De-Glitch
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specification
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Timing Diagram
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
SENSE Input
7.3.2
SENSE Hysteresis
7.3.3
Selecting the SENSE Delay Time
7.3.4
Selecting the RESET Delay Time
7.3.5
RESET Output
7.4
Device Functional Modes
7.4.1
Normal Operation (VDD > VDD(min))
7.4.2
Above Power-On Reset but Less Than VDD(min) (VPOR < VDD < VDD(min))
7.4.3
Below Power-On Reset (VDD < VPOR)
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Meeting the Sense and Reset Delay
8.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.2
Documentation Support
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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TPS3842-Q1 Automotive 42V Small Size, 850nA Undervoltage Supervisor With Programmable Delay and De-Glitch
