TPS3895PDRYT

Product Overview

Category

The TPS3895PDRYT 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

• The TPS3895PDRYT is a highly reliable and accurate supervisory circuit.
• It operates over a wide temperature range, making it suitable for various applications.
• This IC has low power consumption, making it energy-efficient.
• It offers adjustable threshold voltage options, allowing flexibility in voltage monitoring.
• The TPS3895PDRYT provides a reset signal when the monitored voltage crosses the set threshold levels.

Package

The TPS3895PDRYT comes in a small outline package (SOT-23), which is widely used for surface mount applications. This package offers excellent thermal performance and ease of handling during assembly.

Essence

The essence of the TPS3895PDRYT lies in its ability to ensure stable and reliable operation of electronic systems by monitoring power supply voltages and generating reset signals when necessary.

Packaging/Quantity

The TPS3895PDRYT is typically available in reels or tape and reel packaging. Each reel contains a specific quantity of ICs, usually around 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Adjustable Threshold Voltage Range: 0.4V to 5.0V
• Quiescent Current: 3µA (typical)
• Reset Timeout Period: 200ms (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3895PDRYT has a total of three pins:

1. VDD: This pin is connected to the power supply voltage (VDD) and provides the necessary operating voltage for the IC.
2. GND: This pin is connected to the ground reference potential.
3. RESET: This pin outputs the reset signal when the monitored voltage crosses the set threshold levels.

Functional Features

• Undervoltage Monitoring: The TPS3895PDRYT continuously monitors the power supply voltage and generates a reset signal when it falls below the set threshold voltage.
• Overvoltage Monitoring: Similarly, this IC also detects overvoltage conditions and generates a reset signal when the voltage exceeds the set threshold level.
• Adjustable Threshold Voltage: The TPS3895PDRYT allows users to adjust the threshold voltage according to their specific requirements.
• Power-On Reset: It provides a reset signal during power-up, ensuring a controlled start-up sequence for the system.

Advantages and Disadvantages

Advantages

• High reliability and accuracy in voltage monitoring.
• Wide operating temperature range enables usage in various environments.
• Low power consumption contributes to energy efficiency.
• Adjustable threshold voltage offers flexibility.
• Small outline package facilitates easy handling and assembly.

Disadvantages

• Limited number of pins restricts additional functionalities.
• May require external components for certain applications.

Working Principles

The TPS3895PDRYT operates by comparing the power supply voltage with the set threshold voltage. When the voltage falls below or exceeds the threshold, the IC generates a reset signal. This signal can be used to initiate system shutdown, restart, or other necessary actions to ensure proper functioning.

Detailed Application Field Plans

The TPS3895PDRYT finds applications in various electronic systems where voltage monitoring and control are critical. Some common application fields include:

1. Microcontrollers and Microprocessors: Ensuring stable power supply voltage for reliable operation.
2. Industrial Control Systems: Protecting sensitive components from undervoltage and overvoltage conditions.
3. Automotive Electronics: Monitoring battery voltage to prevent damage and ensure proper functioning.
4. Communication Systems: Maintaining voltage stability in network equipment and communication devices.

Detailed and Complete Alternative Models

1. TPS3895PDRYR: Similar to TPS3895PDRYT, but available in a different package (SOT-23-5).
2. TPS3808G01DBVR: Offers similar functionality with additional features like manual reset and watchdog timer.
3. MAX809: A supervisory circuit from Maxim Integrated, providing comparable voltage monitoring capabilities.

These alternative models can be considered based on specific requirements and compatibility with the target application.

Word count: 609 words