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TPS3823-50DBVRG4

TPS3823-50DBVRG4

Product Overview

Category

The TPS3823-50DBVRG4 belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems.

Characteristics

  • Voltage supervision range: 0.5V to 5.5V
  • Low quiescent current: 10µA (typical)
  • Precision voltage threshold: ±2%
  • Power-on reset delay time: 200ms (typical)
  • Open-drain output
  • Small package size: SOT-23-5

Package and Quantity

The TPS3823-50DBVRG4 is available in a small SOT-23-5 package. It is typically sold in reels of 3000 units.

Specifications

  • Supply voltage range: 0.5V to 5.5V
  • Operating temperature range: -40°C to +85°C
  • Quiescent current: 10µA (typical)
  • Reset threshold accuracy: ±2%
  • Power-on reset delay time: 200ms (typical)
  • Output type: Open-drain
  • Package type: SOT-23-5

Pin Configuration

The TPS3823-50DBVRG4 has the following pin configuration:

```


| | --|----|-- |____| ```

  1. VDD: Supply voltage input
  2. GND: Ground reference
  3. MR: Manual reset input
  4. RESET: Reset output
  5. NC: No connection

Functional Features

  • Voltage monitoring: The TPS3823-50DBVRG4 continuously monitors the supply voltage and provides a reset signal when it falls below a predefined threshold.
  • Power-on reset: It ensures that the reset output remains active for a specific delay time after power is applied to the system.
  • Manual reset: The MR pin allows for an external manual reset input, which can be used to force a reset signal.

Advantages and Disadvantages

Advantages

  • Wide supply voltage range allows for compatibility with various systems.
  • Low quiescent current minimizes power consumption.
  • Precision voltage threshold ensures accurate monitoring.
  • Small package size enables space-saving designs.

Disadvantages

  • Limited number of pins may restrict additional functionality.
  • Open-drain output may require additional circuitry for certain applications.

Working Principles

The TPS3823-50DBVRG4 operates by comparing the supply voltage with a predefined threshold. When the voltage falls below this threshold, the reset output is activated. The power-on reset delay ensures that the reset signal remains active for a specific period after power is applied. The open-drain output allows for flexibility in connecting to other devices.

Application Field Plans

The TPS3823-50DBVRG4 finds application in various electronic systems where voltage monitoring and supervision are critical. Some potential fields of application include:

  1. Microcontrollers: Ensuring reliable operation by monitoring the supply voltage and initiating a reset if necessary.
  2. Industrial control systems: Providing voltage supervision to prevent malfunctions or damage to sensitive components.
  3. Automotive electronics: Monitoring the battery voltage to protect against undervoltage conditions.
  4. Power management systems: Enabling efficient power management by monitoring voltage levels.

Alternative Models

For those seeking alternative options, the following models offer similar functionality:

  1. TPS3839-33DBVRG4: Offers a higher precision voltage threshold and a wider operating temperature range.
  2. TPS3808G01DBVR: Provides adjustable voltage thresholds and additional features like watchdog timer functionality.
  3. TPS3840PWR: Offers a higher supply voltage range and adjustable reset delay time.

These alternative models can be considered based on specific requirements and application needs.

In conclusion, the TPS3823-50DBVRG4 is a voltage supervisor with a wide range of applications. Its precise monitoring capabilities, low power consumption, and compact package make it an ideal choice for various electronic systems.

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von TPS3823-50DBVRG4 in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of TPS3823-50DBVRG4 in technical solutions:

  1. Q: What is the TPS3823-50DBVRG4? A: The TPS3823-50DBVRG4 is a voltage supervisor and reset IC designed to monitor the power supply voltage in electronic systems.

  2. Q: What is the operating voltage range of TPS3823-50DBVRG4? A: The operating voltage range of TPS3823-50DBVRG4 is from 1.6V to 6.0V.

  3. Q: What is the purpose of using TPS3823-50DBVRG4 in a technical solution? A: TPS3823-50DBVRG4 ensures proper system initialization by monitoring the power supply voltage and generating a reset signal when the voltage falls below a specified threshold.

  4. Q: How does TPS3823-50DBVRG4 help in preventing system malfunction? A: TPS3823-50DBVRG4 provides a reset signal to the microcontroller or other critical components, ensuring that they start in a known state after a power-on or brownout event.

  5. Q: Can TPS3823-50DBVRG4 be used in battery-powered applications? A: Yes, TPS3823-50DBVRG4 can be used in battery-powered applications as it has a low quiescent current and operates within a wide voltage range.

  6. Q: What is the typical reset threshold voltage of TPS3823-50DBVRG4? A: The typical reset threshold voltage of TPS3823-50DBVRG4 is 4.63V.

  7. Q: Does TPS3823-50DBVRG4 have a manual reset input? A: No, TPS3823-50DBVRG4 does not have a manual reset input. The reset signal is generated automatically based on the monitored voltage.

  8. Q: Can TPS3823-50DBVRG4 be used in automotive applications? A: Yes, TPS3823-50DBVRG4 is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  9. Q: What is the typical response time of TPS3823-50DBVRG4? A: The typical response time of TPS3823-50DBVRG4 is 20µs.

  10. Q: Is TPS3823-50DBVRG4 available in different package options? A: Yes, TPS3823-50DBVRG4 is available in SOT-23 and SC-70 package options, providing flexibility for different PCB layouts and space constraints.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.