7 Detailed Description

7.1 Overview

The TPS35-Q1 is a high-accuracy under voltage supervisor with an integrated timeout watchdog timer device.

The device family supports multiple features related to watchdog operation in a compact 8 pin SOT23 package.

The devices are available in 4 different pinout configurations. Each pinout offers access to different features to

meet the various application requirements. The device family is rated for AEC-Q100 applications.

7.2 Functional Block Diagrams

+

–

Reference

GND

Capacitance

Detection

Watchdog Timer

Logic

RESET

Logic

Oscillator

VDD

CRST

CWD

WDI

SET0

GND

RESET

MR

Capacitive

Divider

Figure 7-1. Pinout Option A

+

–

Reference

GND

Capacitance

Detection

Watchdog Timer

Logic

RESET

Logic

Oscillator

VDD

CRST

CWD

WDI

SET0

SET1

GND

RESET

Capacitive

Divider

Figure 7-2. Pinout Option B

TPS35-Q1

SLVSGE8B – NOVEMBER 2022 – REVISED AUGUST 2024

www.ti.com

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Product Folder Links: TPS35-Q1