TPS3307-18MDREPG4

Product Overview

Category

The TPS3307-18MDREPG4 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 controlling the voltage levels in electronic systems, ensuring their proper functioning and preventing damage due to voltage fluctuations.

Characteristics

• Voltage Range: The TPS3307-18MDREPG4 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 devices.
• High Accuracy: The voltage monitoring accuracy of this IC is within a tight tolerance, ensuring precise voltage supervision.
• Reset Functionality: The TPS3307-18MDREPG4 provides a reset signal when the monitored voltage falls below a specified threshold, allowing for system recovery or shutdown.

Package and Quantity

The TPS3307-18MDREPG4 is available in a small outline package (SOIC) with 8 pins. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Supply Voltage Range: 1.8V to 6V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Threshold Accuracy: ±2%
• Reset Timeout Period: 200ms (typical)

Pin Configuration

The TPS3307-18MDREPG4 has the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| VIT VDD |-- Pin 3: Supply Voltage (VDD) --| VTR GND |-- Pin 4: Threshold Voltage (VTR) --| VCC GND |-- Pin 5: Ground (GND) --| VCC GND |-- Pin 6: Ground (GND) --| VCC GND |-- Pin 7: Ground (GND) --| VCC GND |-- Pin 8: Ground (GND) |___________| ```

Functional Features

• Undervoltage Monitoring: The TPS3307-18MDREPG4 continuously monitors the input voltage and provides a reset signal when it falls below the threshold voltage.
• Reset Output: When the monitored voltage drops below the threshold, the IC asserts the reset output pin, allowing the system to take appropriate action.
• Adjustable Threshold: The threshold voltage can be adjusted using external resistors, providing flexibility in setting the desired voltage level for monitoring.

Advantages and Disadvantages

Advantages

• Reliable Voltage Supervision: The TPS3307-18MDREPG4 ensures stable operation of electronic systems by monitoring voltage levels and initiating necessary actions.
• Low Power Consumption: Its low quiescent current makes it suitable for power-sensitive applications.
• Compact Package: The small outline package allows for space-efficient integration into various electronic designs.

Disadvantages

• Limited Voltage Range: The TPS3307-18MDREPG4 is designed for a specific voltage range (1.8V to 6V), which may not be suitable for all applications requiring voltage supervision.
• Single Threshold: It provides a single threshold voltage, limiting its adaptability to systems with varying voltage requirements.

Working Principles

The TPS3307-18MDREPG4 operates based on a voltage comparator circuit. It compares the input voltage with the internally set threshold voltage. If the input voltage falls below the threshold, the IC triggers the reset output, indicating a voltage fault. This allows the system to take corrective measures or initiate a controlled shutdown.

Application Field Plans

The TPS3307-18MDREPG4 finds applications in various electronic systems where voltage monitoring and supervision are critical. Some potential application fields include:

1. Power Supply Units: Ensuring stable voltage levels in power supply units is crucial for reliable operation. The TPS3307-18MDREPG4 can be used to monitor the input voltage and trigger appropriate actions in case of deviations.

2. Microcontroller Systems: Voltage fluctuations can adversely affect microcontroller-based systems. By integrating the TPS3307-18MDREPG4, these systems can be safeguarded against voltage-related issues.

3. Battery-Powered Devices: Portable devices powered by batteries require efficient voltage monitoring to prevent damage due to over-discharge. The TPS3307-18MDREPG4 can provide the necessary protection in such applications.

Alternative Models

In addition to the TPS3307-18MDREPG4, there are several alternative models available in the market that offer