TPS3306-25DR

Product Overview

Category

The TPS3306-25DR belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems. It ensures that the voltage remains within a specified range, providing protection against undervoltage and overvoltage conditions.

Characteristics

• Voltage Range: The TPS3306-25DR operates within a voltage range of 2.5V to 6V.
• Low Power Consumption: This IC consumes minimal power, making it suitable for battery-powered applications.
• Reset Time Delay: It offers an adjustable reset time delay, allowing flexibility in system design.
• Temperature Range: The TPS3306-25DR can operate within a wide temperature range of -40°C to +125°C.

Package

The TPS3306-25DR is available in a small outline package (SOIC) with eight pins. This package type provides ease of integration into various circuit designs.

Essence

The essence of the TPS3306-25DR lies in its ability to monitor voltage levels and provide reliable protection to electronic systems against voltage fluctuations.

Packaging/Quantity

The TPS3306-25DR is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier or manufacturer.

Specifications

• Supply Voltage Range: 2.5V to 6V
• Reset Threshold Voltage: 2.32V
• Reset Time Delay: Adjustable
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOIC-8

Detailed Pin Configuration

The TPS3306-25DR features eight pins arranged as follows:

1. GND: Ground pin
2. MR: Manual reset input pin
3. VDD: Supply voltage pin
4. RESET: Reset output pin
5. VIT: Voltage input pin for monitoring
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Undervoltage Monitoring: The TPS3306-25DR continuously monitors the voltage input and asserts the reset signal when it falls below the specified threshold.
• Overvoltage Monitoring: Similarly, this IC also detects overvoltage conditions and triggers the reset signal to protect the system.
• Adjustable Reset Time Delay: The reset time delay can be adjusted using external components, allowing customization based on specific system requirements.
• Manual Reset Input: The MR pin provides an option for manual reset, enabling a user-initiated system restart.

Advantages and Disadvantages

Advantages

• Reliable Voltage Monitoring: The TPS3306-25DR ensures accurate and reliable voltage monitoring, safeguarding electronic systems from potential damage.
• Low Power Consumption: With its low quiescent current, this IC minimizes power consumption, making it suitable for energy-efficient applications.
• Wide Temperature Range: The ability to operate within a wide temperature range enhances its versatility in various environments.

Disadvantages

• Limited Voltage Range: The TPS3306-25DR is designed to operate within a specific voltage range (2.5V to 6V), which may not be suitable for all applications requiring voltage supervision.

Working Principles

The TPS3306-25DR operates by comparing the monitored voltage input (VIT) with the preset threshold voltage. If the voltage falls below the threshold, indicating an undervoltage condition, or exceeds it, indicating an overvoltage condition, the IC asserts the reset signal. This signal can be used to initiate system shutdown or trigger a reset sequence.

Detailed Application Field Plans

The TPS3306-25DR finds applications in various electronic systems where voltage monitoring and protection are critical. Some potential application fields include:

1. Power Supply Units: Ensuring stable voltage levels in power supply units is crucial for the reliable operation of electronic devices.
2. Industrial Control Systems: Voltage supervision is essential in industrial control systems to prevent damage caused by voltage fluctuations.
3. Automotive Electronics: The TPS3306-25DR can be utilized in automotive electronics to protect sensitive components from voltage variations.
4. Battery-Powered Devices: Portable devices powered by batteries can benefit from the low power consumption and undervoltage protection offered by this IC.

Detailed and Complete Alternative Models

1. TPS3306-33DR: Similar to the TPS3306-25DR, but with a higher reset threshold voltage of 3.3V.
2. TPS3306-18DR: Another alternative with a lower reset threshold voltage of 1.8V.
3. TPS3306-15DR: This model