TPS3803G15DCKRG4

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisors

Characteristics: - Low Power Supervisor with Programmable Delay Time - Precision Voltage Monitor - Manual Reset Input - Watchdog Timer - Power-On Reset Generator - Supply Voltage Range: 1.6V to 6.5V - Operating Temperature Range: -40°C to +85°C - Package Type: SC-70 (DCK) - Package Quantity: 3000 pieces per reel

Specifications

The TPS3803G15DCKRG4 is an integrated circuit voltage supervisor designed for monitoring the power supply voltage in various applications. It provides a reset signal whenever the supply voltage drops below a preset threshold or when the manual reset input is asserted. The device also includes a watchdog timer that can be used to monitor system activity.

Key specifications of the TPS3803G15DCKRG4 include: - Threshold Voltage: 1.575V - Reset Timeout Period: Programmable from 1.6ms to 64s - Watchdog Timeout Period: 1.6s - Quiescent Current: 2µA - Power-On Reset Delay: 20ms - Manual Reset Input Threshold: 0.4V - Watchdog Input Threshold: 0.4V

Pin Configuration

The TPS3803G15DCKRG4 is available in a SC-70 package with the following pin configuration:

____ RESET | | GND | | VDD |____| MR

Pin Description: - RESET: Output reset signal - GND: Ground reference - VDD: Supply voltage input - MR: Manual reset input

Functional Features

The TPS3803G15DCKRG4 offers the following functional features: 1. Voltage Monitoring: Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage. 2. Programmable Delay Time: Allows users to set the delay time for generating the reset signal. 3. Manual Reset Input: Provides an external input for asserting a reset signal. 4. Watchdog Timer: Monitors system activity and generates a reset signal if no activity is detected within the watchdog timeout period. 5. Power-On Reset Generator: Generates a reset signal during power-up.

Advantages and Disadvantages

Advantages of using the TPS3803G15DCKRG4 include: - Low power consumption - Wide supply voltage range - Programmable delay time - Small package size

Disadvantages of using the TPS3803G15DCKRG4 include: - Limited number of available alternative models - May require additional external components for certain applications

Working Principles

The TPS3803G15DCKRG4 operates by continuously monitoring the supply voltage. When the voltage drops below the preset threshold, or when the manual reset input is asserted, the device generates a reset signal. The programmable delay time allows users to set the duration for which the reset signal remains active after the voltage returns to normal. The watchdog timer monitors system activity and generates a reset signal if no activity is detected within the specified timeout period.

Application Field Plans

The TPS3803G15DCKRG4 can be used in various applications where voltage supervision is required. Some potential application fields include: 1. Battery-powered devices 2. Embedded systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Alternative Models

While the TPS3803G15DCKRG4 is a reliable voltage supervisor, there are alternative models available that offer similar functionality. Some alternative models to consider are: 1. TPS3803G18DCKRG4 2. TPS3803G25DCKRG4 3. TPS3803G33DCKRG4

These alternative models have different threshold voltages and reset timeout periods, allowing users to select the one that best suits their specific application requirements.

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