SLVSGE8B
November 2022 – August 2024
TPS35-Q1
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
Electrical Characteristics
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Timing Diagrams
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
Voltage Supervisor
7.3.2
Timeout Watchdog Timer
7.3.2.1
tWD Timer
7.3.2.2
Watchdog Enable Disable Operation
7.3.2.3
tSD Watchdog Start Up Delay
7.3.2.4
SET Pin Behavior
7.3.3
Manual RESET
7.3.4
RESET and WDO Output
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
CRST Delay
8.1.1.1
Factory-Programmed watchdog Timing
8.1.1.2
Adjustable Capacitor Timing
8.1.2
Watchdog Timer Functionality
8.1.2.1
Factory-Programmed watchdog Timing
8.1.2.2
Adjustable Capacitor Timings
8.2
Typical Applications
8.2.1
Design 1: Monitoring a Microcontroller Supply Voltage and Watchdog Timer
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Setting the Voltage Threshold
8.2.1.2.2
Meeting the Watchdog Timeout Period
8.2.1.2.3
Setting the Reset Delay
8.2.1.2.4
Setting the Startup Delay and Output Topology
8.2.1.2.5
Calculating the RESET 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)
DDF|8
MPDS569D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsge8b_oa
8.4.2
Layout Example
Figure 8-5
Typical Layout for the Pinout C of
TPS35-Q1