TPS3306-15DG4

Product Overview

Category

The TPS3306-15DG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of supervisory circuits.

Use

This product is primarily used for monitoring and controlling power supply voltages in electronic systems. It ensures that the voltage levels remain within specified limits, providing protection against undervoltage and overvoltage conditions.

Characteristics

• Voltage Monitoring: The TPS3306-15DG4 can monitor a single power supply voltage.
• Wide Operating Range: It operates within a wide voltage range, making it suitable for various applications.
• Adjustable Thresholds: The device allows users to set the desired voltage thresholds for monitoring.
• Reset Output: It provides a reset signal when the monitored voltage crosses the threshold limits.
• Low Power Consumption: The TPS3306-15DG4 consumes minimal power, making it energy-efficient.

Package

The TPS3306-15DG4 is available in a small surface-mount package known as SOIC-8 (Small Outline Integrated Circuit). This package offers ease of installation and compatibility with modern PCB designs.

Essence

The essence of the TPS3306-15DG4 lies in its ability to ensure stable power supply voltages by monitoring and controlling them effectively.

Packaging/Quantity

The TPS3306-15DG4 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Supply Voltage Range: 2.5V to 18V
• Threshold Voltage Range: Adjustable from 1.2V to 16V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: 200ms (typical)

Detailed Pin Configuration

The TPS3306-15DG4 has eight pins, each serving a specific function:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. MR: Manual reset input pin.
4. RESET: Reset output pin.
5. TH: Threshold voltage adjustment pin.
6. GND: Ground reference pin.
7. VDD: Power supply input pin.
8. VOUT: Output voltage pin.

Functional Features

1. Voltage Monitoring: The TPS3306-15DG4 continuously monitors the power supply voltage and compares it with the user-defined threshold levels.
2. Reset Generation: When the monitored voltage falls below or exceeds the set thresholds, the device generates a reset signal to initiate appropriate actions.
3. Adjustable Thresholds: Users can adjust the threshold voltages using an external resistor connected to the TH pin.
4. Manual Reset: The MR pin allows users to manually trigger a reset operation, overriding the automatic monitoring process.
5. Power-On Reset Delay: The device ensures a stable reset output during power-up by incorporating a delay circuit.

Advantages and Disadvantages

Advantages

• Reliable Voltage Monitoring: The TPS3306-15DG4 provides accurate and reliable monitoring of power supply voltages.
• Customizable Thresholds: Users can adjust the threshold levels according to their specific requirements.
• Low Power Consumption: The device consumes minimal power, contributing to energy efficiency in electronic systems.
• Compact Package: The SOIC-8 package offers easy integration into modern PCB designs.

Disadvantages

• Single Voltage Monitoring: The TPS3306-15DG4 can monitor only one power supply voltage at a time, limiting its application in systems with multiple power sources.
• Lack of Advanced Features: This device does not incorporate advanced features such as fault detection or voltage sequencing.

Working Principles

The TPS3306-15DG4 operates based on a voltage comparator circuit. It compares the monitored voltage with the user-defined threshold levels. When the voltage crosses these thresholds, the device generates a reset signal to initiate appropriate actions, such as system shutdown or fault recovery.

Detailed Application Field Plans

The TPS3306-15DG4 finds applications in various electronic systems where stable power supply voltages are critical. Some of the common application fields include:

1. Industrial Control Systems: The device ensures reliable voltage monitoring in industrial control systems, preventing damage to sensitive components.
2. Automotive Electronics: It is used in automotive electronics to monitor and control power supply voltages, ensuring proper functioning of critical systems.
3. Telecommunications Equipment: The TPS3306-15DG4 provides voltage supervision in telecommunications equipment, enhancing system reliability.
4. Consumer Electronics: It finds application in consumer electronics devices, protecting them from voltage fluctuations and ensuring uninterrupted operation.

Detailed and Complete Alternative Models

1. TPS3307-33DGK: This model offers similar functionality but supports a different voltage range.
2. MAX823LEUK+: An alternative