TPS3809L30DBVRG4

Product Overview

Category

The TPS3809L30DBVRG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Low-power consumption
• Wide operating voltage range
• Adjustable threshold voltage
• High accuracy
• Small package size

Package

The TPS3809L30DBVRG4 comes in a small SOT-23 package.

Essence

The essence of the TPS3809L30DBVRG4 is its ability to accurately monitor voltage levels and provide a reset signal when necessary.

Packaging/Quantity

The TPS3809L30DBVRG4 is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage: Adjustable from 2.93V to 3.08V
• Quiescent Current: 1.8µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS3809L30DBVRG4 has the following pin configuration:

```

---

| | --| VDD | --| GND | --| MR | --| RESET | |___________| ```

• VDD: Power supply input
• GND: Ground reference
• MR: Manual reset input
• RESET: Reset output

Functional Features

• Undervoltage detection: Monitors the voltage level and triggers a reset signal if it falls below the set threshold.
• Adjustable threshold: The threshold voltage can be adjusted within a specified range to suit different system requirements.
• Manual reset: Allows for a manual reset input to override the monitoring function and force a reset.
• Power-on reset delay: Provides a delay before generating a reset signal during power-up, ensuring stable operation.

Advantages and Disadvantages

Advantages

• Low-power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows for compatibility with various systems.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Small package size enables space-saving designs.

Disadvantages

• Limited number of pins may restrict its use in complex systems requiring additional functionalities.
• Manual reset input may introduce human error if not used properly.

Working Principles

The TPS3809L30DBVRG4 operates by continuously monitoring the voltage level at the VDD pin. If the voltage falls below the set threshold, the device triggers a reset signal on the RESET pin. This reset signal can be used to initiate system recovery or perform other necessary actions.

Detailed Application Field Plans

The TPS3809L30DBVRG4 finds application in various fields, including:

1. Automotive electronics: Used for voltage monitoring in automotive control units, ensuring reliable operation.
2. Industrial automation: Monitors voltage levels in industrial equipment, providing protection against undervoltage conditions.
3. Consumer electronics: Enables safe shutdown or restart of electronic devices in case of power supply fluctuations.
4. Medical devices: Ensures proper functioning of critical medical equipment by monitoring voltage levels.

Detailed and Complete Alternative Models

1. TPS3809K33DBVRG4: Similar to TPS3809L30DBVRG4 but with a different threshold voltage range (3.08V to 3.23V).
2. TPS3809I50DBVRG4: Offers a higher threshold voltage range (4.63V to 4.78V) for specific applications.
3. TPS3809J25DBVRG4: Provides a lower threshold voltage range (2.53V to 2.68V) for different voltage monitoring needs.

(Note: This is not an exhaustive list of alternative models, and further research is recommended for specific requirements.)

In conclusion, the TPS3809L30DBVRG4 is a voltage supervisor with adjustable threshold voltage, low-power consumption, and a small package size. It finds applications in various fields, including automotive electronics, industrial automation, consumer electronics, and medical devices. Alternative models with different threshold voltage ranges are also available for specific requirements.