SNVSCF7A
December 2022 – August 2024
TPS3435
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Thermal Information
6.6
Electrical Characteristics
6.7
Timing Requirements
6.8
Switching Characteristics
6.9
Timing Diagrams
6.10
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
Timeout Watchdog Timer
7.3.1.1
tWD Timer
7.3.1.2
Watchdog Enable Disable Operation
7.3.1.3
tSD Watchdog Start Up Delay
7.3.1.4
SET Pin Behavior
7.3.2
Manual RESET
7.3.3
WDO Output
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Output Assert Delay
8.1.1.1
Factory-Programmed Output Assert Delay Timing
8.1.1.2
Adjustable Capacitor Timing
8.1.2
Watchdog Timer Functionality
8.1.2.1
Factory-Programmed Timing Options
8.1.2.2
Adjustable Capacitor Timing
8.2
Typical Applications
8.2.1
Design 1: Monitoring a Standard Microcontroller for Timeouts
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Setting the Watchdog Timeout Period
8.2.1.2.2
Setting Output Assert Delay
8.2.1.2.3
Setting the Startup Delay
8.2.1.2.4
Calculating the WDO Pullup Resistor
8.2.1.3
Application Curves
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
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DSE|6
MPDS287A
DDF|8
MPDS569D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvscf7a_oa
8.2.1.2
Detailed Design Procedure