SNVSBA1B
April 2019 – April 2020
TPS3840-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Circuit
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage (VDD)
8.3.1.1
VDD Hysteresis
8.3.1.2
VDD Transient Immunity
8.3.2
User-Programmable Reset Time Delay
8.3.3
Manual Reset (MR) Input
8.3.4
Output Logic
8.3.4.1
RESET Output, Active-Low
8.3.4.2
RESET Output, Active-High
8.4
Device Functional Modes
8.4.1
Normal Operation (VDD > VDD(min))
8.4.2
VDD Between VPOR and VDD(min)
8.4.3
Below Power-On-Reset (VDD < VPOR)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design 1: Dual Rail Monitoring with Power-Up Sequencing
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Design 2: Automotive Off-Battery Monitoring
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves: TPS3840EVM
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Nomenclature
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsba1b_oa
snvsba1b_pm
8
Detailed Description