TPS3707-50DGNG4

Product Overview

Category

The TPS3707-50DGNG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage threshold: 5.0V
• Supply voltage range: 1.8V to 6.5V
• Low quiescent current: 3µA (typical)
• Adjustable delay time
• Open-drain output
• Wide temperature range: -40°C to +125°C

Package

The TPS3707-50DGNG4 comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3707-50DGNG4 is its ability to provide accurate voltage monitoring and supervision, ensuring the reliable operation of electronic systems.

Packaging/Quantity

This product is typically available in reels, with 3000 units per reel.

Specifications

• Voltage threshold accuracy: ±1.5%
• Power-on reset delay time: 200ms (typical)
• Power supply glitch immunity: 50ns (typical)
• Quiescent current: 3µA (typical)
• Output type: Open-drain

Detailed Pin Configuration

The TPS3707-50DGNG4 has three pins:

1. GND: Ground pin
2. VDD: Power supply pin
3. RESET: Open-drain output pin for reset signal

Functional Features

1. Accurate Voltage Monitoring: The TPS3707-50DGNG4 ensures precise monitoring of voltage levels, preventing system malfunctions due to overvoltage or undervoltage conditions.
2. Adjustable Delay Time: The device allows users to adjust the delay time before asserting the reset signal, providing flexibility in system initialization.
3. Low Quiescent Current: With a low quiescent current of only 3µA, the TPS3707-50DGNG4 minimizes power consumption and extends battery life in portable applications.
4. Wide Temperature Range: The device operates reliably across a wide temperature range, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Adjustable delay time
• Low power consumption
• Wide temperature range

Disadvantages

• Limited voltage threshold options
• Open-drain output may require additional circuitry for certain applications

Working Principles

The TPS3707-50DGNG4 works by comparing the input voltage with a fixed threshold. When the voltage falls below the threshold, the reset output is asserted, indicating a power-on reset condition. The delay time can be adjusted to allow for stable power supply before asserting the reset signal.

Detailed Application Field Plans

The TPS3707-50DGNG4 finds applications in various electronic systems where accurate voltage monitoring is critical. Some potential application fields include:

1. Microcontrollers: Ensuring reliable operation by monitoring the power supply voltage.
2. Industrial Control Systems: Preventing malfunctions caused by voltage fluctuations.
3. Automotive Electronics: Monitoring battery voltage to prevent damage to sensitive components.
4. Telecommunications Equipment: Maintaining stable power supply for uninterrupted operation.

Detailed and Complete Alternative Models

1. TPS3707-33DGK: Similar to TPS3707-50DGNG4 but with a voltage threshold of 3.3V.
2. TPS3707-25DGNR: Voltage supervisor with a threshold of 2.5V and a different package option (SOT-23).

These alternative models offer similar functionality but with different voltage thresholds and package options to suit specific application requirements.

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