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TPS3824-33DBVR

SOT-23-5 Package

Quantity Unit Price(USD) Ext. Price
1000 $0.500 $500.00
500 $0.524 $262.00
100 $0.569 $56.90
30 $0.696 $20.88
10 $0.772 $7.72
1 $0.927 $0.93

Inventory:3,938

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Overview of TPS3824-33DBVR

The TPS3824-33DBVR is a voltage supervisor IC with a fixed threshold voltage of 3.3V, designed to monitor the power supply voltage in microcontroller and digital systems. It provides a reset signal to the system when the supply voltage falls below the specified threshold, ensuring proper system operation.

Pinout

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

  • VDD: Supply Voltage Input
  • GND: Ground Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS3824-33DBVR IC for a visual representation.

Key Features

  • Voltage Supervisor: Monitors the supply voltage and provides a reset signal when the voltage drops below 3.3V.
  • Fixed Threshold: The TPS3824-33DBVR has a fixed threshold voltage of 3.3V, suitable for systems requiring a specific reset voltage.
  • Manual Reset Input: Allows for manual initiation of a system reset by asserting the MR pin.
  • Low Quiescent Current: Consumes low power during operation, making it suitable for power-sensitive applications.
  • Reset Delay: The IC provides a reset signal with a delay time to ensure stable system operation after a power interruption.

Note: For detailed technical specifications, please refer to the TPS3824-33DBVR datasheet.

Application

  • Microcontroller Systems: Ideal for monitoring and controlling the power supply in microcontroller-based applications.
  • Digital Systems: Used in digital systems to ensure proper operation during voltage fluctuations.
  • Embedded Systems: Suitable for embedded systems requiring reliable reset functionality based on supply voltage monitoring.

Functionality

The TPS3824-33DBVR acts as a watchdog for the supply voltage, triggering a reset signal when the voltage falls below 3.3V. This ensures that the connected microcontroller or digital system operates under safe voltage conditions.

Usage Guide

  • Power Supply: Connect VDD (Pin 1) to the supply voltage and GND (Pin 2) to the ground.
  • Reset Signal: Monitor the RESET (Pin 4) output to detect when a reset signal is asserted due to a low voltage condition.
  • Manual Reset: Optionally connect the MR (Pin 3) pin for manual reset initiation when required.

Frequently Asked Questions

Q: What is the purpose of the manual reset input in TPS3824-33DBVR?
A: The manual reset input allows for external initiation of a system reset, providing flexibility in system control.

Q: Is the reset delay configurable in TPS3824-33DBVR?
A: The TPS3824-33DBVR provides a fixed reset delay time to ensure proper system stability after a power interruption.

Equivalent

For similar functionalities, consider these alternatives to the TPS3824-33DBVR:

  • MAX823: A voltage supervisor IC with adjustable threshold voltage and manual reset input from Maxim Integrated.
  • ADM803: This IC from Analog Devices offers voltage monitoring and reset generation with programmable options for different threshold voltages.

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 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-high, 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 85

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