SLVSGE8A
november 2022 – june 2023
TPS35-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and 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
Switching Characteristics
7.8
Timing Diagrams
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Voltage Supervisor
8.3.2
Timeout Watchdog Timer
8.3.2.1
tWD Timer
8.3.2.2
Watchdog Enable Disable Operation
8.3.2.3
tSD Watchdog Start Up Delay
8.3.2.4
SET Pin Behavior
8.3.3
Manual RESET
8.3.4
RESET and WDO Output
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.1.1
CRST Delay
9.1.1.1
Factory-Programmed watchdog Timing
9.1.1.2
Adjustable Capacitor Timing
9.1.2
Watchdog Timer Functionality
9.1.2.1
Factory-Programmed watchdog Timing
9.1.2.2
Adjustable Capacitor Timings
9.2
Typical Applications
9.2.1
Design 1: Monitoring a Microcontroller Supply Voltage and Watchdog Timer
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Setting the Voltage Threshold
9.2.1.2.2
Meeting the Watchdog Timeout Period
9.2.1.2.3
Setting the Reset Delay
9.2.1.2.4
Setting the Startup Delay and Output Topology
9.2.1.2.5
Calculating the RESET Pullup Resistor
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDF|8
MPDS569C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsge8a_oa
slvsge8a_pm
Data Sheet
TPS35-Q1
Automotive
Nano IQ
Precision Voltage Supervisor with
Precision
Timeout
Watchdog Timer