# TPS3431\-Q1 (Component)

## Description

Automotive standard programmable watchdog timer with enable\. AEC\-Q100 Grade 1 qualified; operates from 1\.8 V to 6\.5 V with 10 µA typical supply current\. Supports capacitor\-programmed or factory\-set watchdog timeouts and provides active\-low open\-drain WDO and open\-drain ENOUT outputs in a 3 mm × 3 mm, 8\-pin DRB VSON package with exposed thermal pad\.

## Component Details

- **Owner:** silicon\-yard
- **Created:** 8/24/2026
- **Last Updated:** 8/24/2026
- **Visibility:** Public
- **License:** https://creativecommons\.org/licenses/by/4\.0/
- **Manufacturer Part Number:** TPS3431\-Q1
- **Manufacturer Name:** Texas Instruments
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/8649516dfb0d1417ceaeb298d981a902fdd7c7574a094c711ecda65c9c25cdbf\.pdf
- **Part Type:** Integrated Circuit
- **Symbol Style:** parametric\-v1
- **Used in:** 81 projects

- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** TPS3431\-Q1
- **Mount Type:** Standard
- **Pin Count:** 9
- **Logic Function:** AND
- **Compliance:** AEC\-Q100
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | VDD | Power In |
| 2 | CWD | Input |
| 3 | EN | Input |
| 4 | GND | Ground |
| 5 | SET1 | Input |
| 6 | WDI | Input |
| 7 | \*WDO | Open Collector |
| 8 | ENOUT | Open Collector |
| 9 | EPAD | Ground |

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