TPS3705-50DG4

Product Overview

Category

The TPS3705-50DG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

• The TPS3705-50DG4 is a highly accurate voltage supervisor with a fixed threshold voltage.
• It operates over a wide range of supply voltages, making it suitable for various applications.
• This device offers a low quiescent current, ensuring minimal power consumption.
• It provides a reset output signal when the monitored voltage falls below the fixed threshold.

Package

The TPS3705-50DG4 is available in a small SOT-23 package, which is widely used in the electronics industry.

Essence

The essence of the TPS3705-50DG4 lies in its ability to monitor voltage levels and provide a reliable reset signal when necessary.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of devices per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.8V to 18V
• Fixed Threshold Voltage: 5.0V
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: 200ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS3705-50DG4 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. MR (Manual Reset)
4. RESET (Reset Output)

Functional Features

• Accurate voltage monitoring: The TPS3705-50DG4 ensures precise monitoring of voltage levels, providing reliable system protection.
• Fixed threshold voltage: The device has a fixed threshold voltage of 5.0V, eliminating the need for external adjustments.
• Low quiescent current: With a low quiescent current, the TPS3705-50DG4 minimizes power consumption and extends battery life.
• Reset output signal: When the monitored voltage falls below the fixed threshold, the device generates a reset signal to initiate system recovery.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Fixed threshold voltage eliminates the need for calibration
• Low power consumption
• Reliable reset signal generation

Disadvantages

• Fixed threshold voltage may not be suitable for all applications requiring variable thresholds
• Limited operating temperature range (-40°C to +85°C)

Working Principles

The TPS3705-50DG4 operates by comparing the input voltage with the fixed threshold voltage. If the input voltage drops below the threshold, the device triggers the reset output signal. This ensures that the system is protected from undervoltage conditions and can initiate appropriate actions for recovery.

Detailed Application Field Plans

The TPS3705-50DG4 finds applications in various fields, including but not limited to: 1. Power supply units 2. Battery-powered devices 3. Industrial control systems 4. Automotive electronics 5. Telecommunications equipment

In these applications, the TPS3705-50DG4 provides reliable voltage monitoring and reset functionality, ensuring the proper operation and protection of electronic systems.

Detailed and Complete Alternative Models

1. TPS3705-33DG4: Similar to TPS3705-50DG4, but with a fixed threshold voltage of 3.3V.
2. TPS3705-25DG4: Similar to TPS3705-50DG4, but with a fixed threshold voltage of 2.5V.
3. TPS3705-15DG4: Similar to TPS3705-50DG4, but with a fixed threshold voltage of 1.5V.

These alternative models offer different fixed threshold voltages to accommodate various voltage monitoring requirements.

Note: The above information is based on the available documentation and specifications at the time of writing. It is recommended to refer to the official datasheet for the most accurate and up-to-date information.