TPS389025DSER

Product Overview

Category

The TPS389025DSER belongs to the category of integrated circuits (ICs).

Use

This product is primarily used as a voltage supervisor or monitor in electronic systems.

Characteristics

• The TPS389025DSER is designed to monitor the power supply voltage and provide a reset signal when the voltage falls below a certain threshold.
• It operates over a wide voltage range, making it suitable for various applications.
• This IC has low quiescent current consumption, ensuring minimal power loss.
• It offers accurate voltage monitoring with a high level of precision.
• The TPS389025DSER is highly reliable and provides stable performance.

Package

The TPS389025DSER is available in a small surface-mount package, such as a 6-pin SOT-23.

Essence

The essence of the TPS389025DSER lies in its ability to monitor voltage levels and generate a reset signal, ensuring proper functioning of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 3.8V, 4.0V, 4.5V, 4.6V, 4.7V, 4.75V, 4.8V, 4.85V, 4.9V, 4.95V, 5.0V
• Quiescent Current: 1.5µA (typical)
• Reset Timeout Period: Adjustable from 1ms to 10s
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS389025DSER has the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset)
3. VDD (Supply Voltage)
4. RESET (Reset Output)
5. TH (Threshold Voltage Selection)
6. NC (No Connection)

Functional Features

• Voltage Monitoring: The TPS389025DSER continuously monitors the supply voltage and compares it with the set threshold voltage.
• Reset Generation: When the supply voltage falls below the threshold voltage, the IC generates a reset signal to ensure proper system operation.
• Manual Reset: The MR pin allows for manual reset functionality, enabling external control over the reset signal.
• Adjustable Timeout Period: The reset timeout period can be adjusted according to the specific requirements of the application.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for versatile use in different electronic systems.
• Low quiescent current consumption minimizes power loss.
• Accurate voltage monitoring ensures reliable system performance.
• Small package size enables space-efficient designs.

Disadvantages

• Limited threshold voltage options may not cater to all voltage monitoring needs.
• Lack of additional features, such as hysteresis adjustment, may limit its applicability in certain scenarios.

Working Principles

The TPS389025DSER operates by comparing the supply voltage with the selected threshold voltage. If the supply voltage drops below the threshold, the IC triggers a reset signal. This ensures that the system is properly reset and prevents any erratic behavior due to insufficient voltage levels.

Detailed Application Field Plans

The TPS389025DSER finds applications in various fields, including but not limited to: - Power management systems - Battery-powered devices - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the TPS389025DSER include: - TPS3890x: This series offers similar voltage monitoring and reset generation capabilities with different threshold voltage options. - MAX809: A voltage supervisor IC with adjustable reset timeout period and various threshold voltage options. - ADM708: Another voltage monitor and reset generator IC suitable for a wide range of applications.

These alternative models provide similar functionalities and can be considered based on specific requirements and preferences.

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