TPS3838L30DBVTG4

Product Overview

Category

The TPS3838L30DBVTG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Low quiescent current consumption
• Wide operating voltage range
• Adjustable threshold voltage
• High accuracy and precision
• Small package size

Package

The TPS3838L30DBVTG4 comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3838L30DBVTG4 lies in its ability to provide reliable voltage monitoring and supervision, ensuring the proper functioning of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.5V to 6.5V
• Threshold Voltage Accuracy: ±1.5%
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active Low

Detailed Pin Configuration

The TPS3838L30DBVTG4 has three pins:

1. VDD: This pin is connected to the power supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: This pin outputs a low signal when the monitored voltage falls below the threshold.

Functional Features

• Undervoltage Detection: The TPS3838L30DBVTG4 monitors the input voltage and triggers an output signal when it falls below the set threshold.
• Adjustable Threshold: The threshold voltage can be adjusted using external resistors, allowing flexibility in voltage monitoring.
• Power-On Reset: The device provides a power-on reset signal to ensure proper initialization of the system.
• Low Power Consumption: With a low quiescent current, the TPS3838L30DBVTG4 minimizes power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages

• High accuracy and precision in voltage monitoring
• Wide operating voltage range for versatile applications
• Small package size suitable for space-constrained designs
• Adjustable threshold voltage for flexibility

Disadvantages

• Limited output options (only active low)
• Not suitable for high-voltage applications (>6.5V)

Working Principles

The TPS3838L30DBVTG4 operates by comparing the input voltage with a set threshold voltage. When the input voltage falls below the threshold, the RESET pin outputs a low signal, indicating an undervoltage condition. This signal can be used to trigger appropriate actions or alerts within the electronic system.

Detailed Application Field Plans

The TPS3838L30DBVTG4 finds applications in various fields, including:

1. Battery-Powered Devices: It ensures proper voltage monitoring in portable devices, preventing damage due to undervoltage conditions.
2. Industrial Control Systems: The TPS3838L30DBVTG4 provides reliable supervision of voltage levels in control systems, ensuring stable operation.
3. Automotive Electronics: It is used to monitor voltage in automotive systems, preventing malfunctions and protecting sensitive components.

Detailed and Complete Alternative Models

1. TPS3839L30DBVTG4: Similar to the TPS3838L30DBVTG4, but with a different package type (SOT-563).
2. TPS3840L30DBVTG4: Offers adjustable threshold voltage and additional features like manual reset and watchdog timer.
3. TPS3808G01DBVR: Provides fixed threshold voltage and a push-pull output configuration.

These alternative models offer similar functionality and can be considered as substitutes for the TPS3838L30DBVTG4 in different design requirements.

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