TPS3307-18DGNR

Product Overview

Category

The TPS3307-18DGNR 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 TPS3307-18DGNR operates within a voltage range of 1.8V to 6V.
• Low Power Consumption: It consumes minimal power during operation, making it suitable for battery-powered applications.
• Adjustable Threshold: The voltage threshold can be adjusted using external resistors, allowing flexibility in system design.
• Reset Delay: The device provides an adjustable reset delay time to accommodate different system requirements.

Package

The TPS3307-18DGNR is available in a small outline integrated circuit (SOIC) package. This package offers ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the TPS3307-18DGNR lies in its ability to monitor and control voltage levels, ensuring the stability and reliability of electronic systems.

Packaging/Quantity

The TPS3307-18DGNR is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply Voltage Range: 1.8V to 6V
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 10µA (typical)
• Reset Threshold Accuracy: ±2%
• Reset Timeout Period: Adjustable from 1ms to 640ms

Detailed Pin Configuration

The TPS3307-18DGNR has the following pin configuration:

1. GND: Ground connection
2. VDD: Positive supply voltage input
3. MR: Manual reset input
4. RESET: Reset output
5. TH: Threshold adjust pin

Functional Features

1. Voltage Monitoring: The TPS3307-18DGNR continuously monitors the voltage level and generates a reset signal if it falls below or exceeds the specified threshold.
2. Adjustable Threshold: The threshold voltage can be adjusted using an external resistor, allowing customization for different system requirements.
3. Manual Reset: The device provides a manual reset input (MR) to override the monitoring function and force a reset.
4. Power-On Reset: Upon power-up, the TPS3307-18DGNR ensures a proper reset signal is generated, preventing any undefined behavior during system initialization.

Advantages and Disadvantages

Advantages

• Reliable Voltage Supervision: Ensures stable operation by monitoring voltage levels and generating appropriate reset signals.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
• Adjustable Threshold: Allows flexibility in system design by adjusting the voltage threshold.
• Small Package Size: The SOIC package offers compactness and compatibility with standard PCB manufacturing processes.

Disadvantages

• Limited Voltage Range: The TPS3307-18DGNR operates within a specific voltage range of 1.8V to 6V, which may not be suitable for all applications.
• Single Threshold: It supports a single threshold voltage, limiting its adaptability to systems requiring multiple voltage monitoring levels.

Working Principles

The TPS3307-18DGNR works based on a voltage comparator circuit. It compares the monitored voltage with the internally set threshold voltage. If the monitored voltage falls below or exceeds this threshold, the device generates a reset signal, indicating a fault condition. The reset signal remains active until the voltage returns within the acceptable range.

Detailed Application Field Plans

The TPS3307-18DGNR finds applications in various electronic systems where voltage monitoring and protection are critical. Some potential application fields include:

1. Power Supply Units: Ensures stable voltage output and protects against undervoltage or overvoltage conditions.
2. Microcontrollers and Processors: Provides reliable reset signals during power-up and voltage fluctuations, preventing system malfunctions.
3. Industrial Control Systems: Monitors voltage levels in control circuits to maintain system integrity and prevent damage to sensitive components.
4. Automotive Electronics: Protects automotive systems from voltage variations, ensuring proper operation and preventing damage to electronic components.

Detailed and Complete Alternative Models

1. TPS3307-33DGNR: Similar to TPS3307-18DGNR but with a higher threshold voltage of 3.3V.
2. TPS3307-25DGNR: Similar to TPS3307-18DGNR but with a higher threshold voltage of 2.5V.
3. TPS3307-15DGNR: Similar to TPS3307-