TPS3707-25DGNR

Product Overview

Category

The TPS3707-25DGNR belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage threshold: 2.5V
• 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 TPS3707-25DGNR comes in a small 8-pin MSOP package.

Essence

This voltage supervisor ensures that the voltage level in an electronic system remains within the desired range, preventing potential damage or malfunction.

Packaging/Quantity

The TPS3707-25DGNR is typically packaged in reels, with 2500 units per reel.

Specifications

• Voltage threshold: 2.5V ±1%
• Supply voltage range: 1.8V to 6.5V
• Quiescent current: 3µA (typical), 10µA (maximum)
• Delay time: Adjustable from 1ms to 100ms
• Output type: Open-drain
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The TPS3707-25DGNR has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. MR (Manual Reset)
4. TH (Threshold)
5. CT (Delay Time Capacitor)
6. NC (No Connection)
7. NC (No Connection)
8. RESET (Reset Output)

Functional Features

• Monitors the voltage level and provides a reset signal when it falls below the threshold.
• Adjustable delay time allows for customization based on system requirements.
• Open-drain output enables easy integration with other components.
• Wide operating temperature range ensures reliability in various environments.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption helps conserve power.
• Adjustable delay time provides flexibility for different applications.
• Small package size saves board space.
• Wide supply voltage range allows compatibility with various systems.

Disadvantages

• Limited to monitoring voltage levels only, lacks additional features.
• Requires an external capacitor for delay time adjustment.

Working Principles

The TPS3707-25DGNR operates by continuously monitoring the voltage level at the TH (Threshold) pin. When the voltage falls below the threshold (2.5V), the device triggers a reset signal at the RESET pin. The delay time can be adjusted using an external capacitor connected to the CT (Delay Time Capacitor) pin. This delay ensures that momentary voltage fluctuations do not trigger false resets.

Detailed Application Field Plans

The TPS3707-25DGNR finds application in various electronic systems where voltage monitoring is critical. Some potential fields of application include:

1. Power supply units: Ensures stable voltage output and protects sensitive components from voltage drops.
2. Battery-powered devices: Monitors battery voltage to prevent over-discharge and damage.
3. Industrial control systems: Provides reliable reset signals to ensure proper operation during voltage fluctuations.
4. Automotive electronics: Protects sensitive automotive components from voltage variations.

Detailed and Complete Alternative Models

1. TPS3707-33DGNR: Similar to TPS3707-25DGNR but with a voltage threshold of 3.3V.
2. TPS3707-50DGNR: Similar to TPS3707-25DGNR but with a voltage threshold of 5.0V.
3. TPS3707-33Q1DGNR: Automotive-grade version with a voltage threshold of 3.3V.

These alternative models offer similar functionality but with different voltage thresholds to suit specific system requirements.

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