TPS3705-30DR

Product Overview

Category

The TPS3705-30DR belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and supervising voltage levels in electronic systems.

Characteristics

• Voltage threshold: 3.0V
• Supply voltage range: 1.8V to 6.5V
• Low quiescent current: 2.5µA (typical)
• Adjustable delay time
• Open-drain output
• Wide temperature range: -40°C to +125°C

Package

The TPS3705-30DR is available in a small SOT-23 package.

Essence

The essence of the TPS3705-30DR is its ability to accurately monitor voltage levels and provide reliable supervision in various electronic systems.

Packaging/Quantity

The TPS3705-30DR is typically packaged in reels, with 3000 units per reel.

Specifications

• Operating voltage range: 1.8V to 6.5V
• Threshold voltage accuracy: ±1.5%
• Quiescent current: 2.5µA (typical)
• Delay time options: 20ms, 50ms, 100ms, or 200ms
• Output type: Open-drain
• Temperature range: -40°C to +125°C

Detailed Pin Configuration

The TPS3705-30DR has the following pin configuration:

1. GND (Ground)
2. VDD (Supply voltage)
3. RESET (Output)

Functional Features

• Accurate voltage monitoring: The TPS3705-30DR ensures precise monitoring of voltage levels, providing reliable supervision.
• Adjustable delay time: The device allows users to select the desired delay time for triggering the reset output.
• Open-drain output: The open-drain output allows for easy integration with other components in the system.
• Wide temperature range: The TPS3705-30DR operates reliably across a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Adjustable delay time provides flexibility in system design.
• Open-drain output simplifies integration with other components.
• Wide temperature range allows for versatile applications.

Disadvantages

• Limited to voltage monitoring and supervision functionality.
• Requires external components for complete system implementation.

Working Principles

The TPS3705-30DR works by comparing the monitored voltage level with a preset threshold. When the voltage drops below the threshold, the device triggers the reset output, indicating a fault condition. The delay time can be adjusted to allow for temporary voltage fluctuations without triggering a reset.

Detailed Application Field Plans

The TPS3705-30DR finds applications in various electronic systems where accurate voltage monitoring and supervision are critical. Some potential application fields include:

1. Power supply units: Ensuring stable voltage levels in power supplies is crucial for reliable operation.
2. Battery-powered devices: Monitoring battery voltage helps prevent over-discharge and prolongs battery life.
3. Industrial control systems: Voltage supervision is essential for maintaining safe and efficient operation in industrial environments.
4. Automotive electronics: Monitoring voltage levels in automotive systems helps prevent damage and ensures proper functioning.

Detailed and Complete Alternative Models

1. TPS3705-33DR: Similar to TPS3705-30DR but with a voltage threshold of 3.3V.
2. TPS3705-50DR: Similar to TPS3705-30DR but with a voltage threshold of 5.0V.
3. TPS3705-15DR: Similar to TPS3705-30DR but with a voltage threshold of 1.5V.

These alternative models offer different voltage thresholds to suit specific system requirements.

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