TPS3823-25QDBVRQ1

Product Overview

Category

The TPS3823-25QDBVRQ1 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 threshold: 2.5V
• Low quiescent current: 10µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Adjustable power-on reset delay time
• Open-drain output
• Small package size: SOT-23-6

Package and Quantity

The TPS3823-25QDBVRQ1 is available in a small SOT-23-6 package. It is typically sold in reels with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 1.8V to 6.5V
• Reset threshold accuracy: ±1.5%
• Power-on reset delay time options: 100ms, 200ms, 400ms, or 800ms
• Operating current: 10µA (typical)
• Output type: Open-drain
• Operating temperature range: -40°C to +125°C

Pin Configuration

The TPS3823-25QDBVRQ1 has the following pin configuration:

```

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| | --| RESET | --| GND | --| MR | --| VDD | --| VIT | |___________| ```

Functional Features

• Power-on reset generation
• Monitoring of supply voltage
• Manual reset input
• Adjustable reset delay time
• Open-drain output for easy integration with other devices

Advantages and Disadvantages

Advantages

• Low quiescent current consumption
• Wide operating temperature range
• Adjustable power-on reset delay time for flexibility
• Small package size for space-constrained applications

Disadvantages

• Limited number of available reset threshold options
• Open-drain output may require additional components for certain applications

Working Principles

The TPS3823-25QDBVRQ1 operates by monitoring the supply voltage and generating a reset signal when the voltage drops below the preset threshold. It features an adjustable power-on reset delay time, allowing designers to fine-tune the timing of the reset signal. The open-drain output provides a flexible interface for connecting with other devices.

Application Field Plans

The TPS3823-25QDBVRQ1 finds applications in various electronic systems where voltage supervision is critical. Some potential application fields include:

1. Automotive electronics: Ensuring reliable operation of automotive control units by monitoring the supply voltage.
2. Industrial automation: Providing voltage supervision in industrial control systems to prevent malfunctions due to voltage fluctuations.
3. Consumer electronics: Enhancing the reliability of portable devices by monitoring the battery voltage and initiating proper shutdown procedures when necessary.
4. Medical devices: Ensuring the safe operation of medical equipment by monitoring the power supply voltage and triggering appropriate actions in case of voltage anomalies.

Alternative Models

1. TPS3820-33QDBVRQ1: Similar voltage supervisor with a fixed 3.3V threshold.
2. TPS3839K33DBVRQ1: Voltage supervisor with a fixed 3.3V threshold and a manual reset input.
3. TPS3808G01DBVRQ1: Voltage supervisor with a fixed 2.93V threshold and a push-pull output.

These alternative models offer different threshold options and additional features to suit specific application requirements.

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