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TPS3823-30DBVR

Processor Supervisor 2.63V 1 Active Low/Push-Pull 5-Pin SOT-23 T/R

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Overview of TPS3823-30DBVR

The TPS3823-30DBVR is a voltage supervisor IC with a fixed 3.0V threshold voltage, designed for monitoring the system voltage and providing reset signals to microcontrollers and other digital systems. It ensures proper system operation by monitoring the voltage level and generating a reset signal when the input voltage falls below the threshold.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • RESET: Reset output
  • GND: Ground
  • VDD: Supply voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS3823-30DBVR IC for a visual representation.

Key Features

  • Fixed Threshold Voltage: The TPS3823-30DBVR has a fixed 3.0V threshold voltage, ideal for monitoring 3.3V systems.
  • Power-On Reset Delay: Provides a reset signal during power-up and power-down transitions to ensure proper system initialization.
  • Low Quiescent Current: The IC operates at low current levels, conserving power in the monitored system.
  • Manual Reset Input: Includes a manual reset input pin for external reset control.
  • Small Footprint: Available in a small SOT-23 package, suitable for space-constrained applications.

Note: For detailed technical specifications, please refer to the TPS3823-30DBVR datasheet.

Application

  • System Monitoring: Ideal for monitoring system voltages in microcontroller-based systems.
  • Power Management: Used for power-on reset and monitoring critical voltage levels in digital systems.
  • Battery-Powered Devices: Suitable for battery-powered devices requiring voltage supervision for proper operation.

Functionality

The TPS3823-30DBVR is a voltage supervisor IC that monitors system voltages and provides reset signals to ensure reliable system operation. It is essential for maintaining system integrity and performance.

Usage Guide

  • Power Supply: Connect VDD (Pin 3) to the supply voltage and GND (Pin 2) to ground.
  • Reset Signal: Monitor the RESET (Pin 1) output for the reset condition when the voltage falls below the threshold.
  • Manual Reset: Utilize the manual reset input for external reset control if needed.

Frequently Asked Questions

Q: What is the purpose of a voltage supervisor IC?
A: A voltage supervisor IC like the TPS3823-30DBVR monitors system voltage levels and generates reset signals to ensure stable system operation.

Q: Can the threshold voltage of the TPS3823-30DBVR be adjusted?
A: No, the TPS3823-30DBVR has a fixed 3.0V threshold voltage and is not adjustable.

Equivalent

For similar functionalities, consider these alternatives to the TPS3823-30DBVR:

  • MAX803: A voltage supervisor IC from Maxim Integrated with adjustable threshold voltages for different system requirements.
  • TL7705: This IC from Texas Instruments provides voltage monitoring and reset functions in a variety of voltage threshold options.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 2.25, 2.64, 2.93, 4.55
Features Manual reset capable, Reset time delay, Timeout watchdog, Undervoltage monitor only, Watchdog disable, Watchdog timer Reset threshold accuracy (%) 2, 2.2, 2.3, 2.4
Iq (typ) (mA) 0.015 Output driver type/reset output Active-low, Push-Pull
Time delay (ms) 200 Supply voltage (min) (V) 1.1
Supply voltage (max) (V) 5.5 Rating Catalog
Watchdog timer WDI (s) 1.6 Operating temperature range (°C) -40 to 125, -40 to 85

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