TPS3838L30DBVR - English Editing Encyclopedia Entry

Product Overview

Category

The TPS3838L30DBVR belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage Range: 3.08V to 3.42V
• Accuracy: ±1%
• Quiescent Current: 2.5µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Power Supply Rejection Ratio: 60dB (typical)

Package

The TPS3838L30DBVR comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3838L30DBVR 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 tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 10V
• Threshold Voltage: 3.08V
• Reset Timeout Period: 200ms (typical)
• Output Type: Active Low
• Output Drive Capability: 10mA

Detailed Pin Configuration

The TPS3838L30DBVR 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 provides the active low reset output signal.

Functional Features

• Accurate Voltage Monitoring: The TPS3838L30DBVR ensures precise monitoring of voltage levels, preventing system malfunctions due to undervoltage conditions.
• Reset Output: The active low reset output signal is triggered when the voltage falls below the threshold, allowing for proper system reset and recovery.
• Low Quiescent Current: With a quiescent current of only 2.5µA, this device minimizes power consumption in battery-powered applications.
• Wide Operating Temperature Range: The TPS3838L30DBVR can operate reliably in extreme temperature conditions, ranging from -40°C to +125°C.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system reliability.
• Low quiescent current minimizes power consumption.
• Small package size suitable for space-constrained applications.
• Wide operating temperature range allows for versatile usage.

Disadvantages

• Limited output drive capability (10mA).

Working Principles

The TPS3838L30DBVR operates by comparing the input voltage with a fixed threshold voltage. When the input voltage falls below the threshold, the reset output is activated, indicating an undervoltage condition. This triggers a system reset or initiates appropriate actions to ensure system stability.

Detailed Application Field Plans

The TPS3838L30DBVR finds application in various fields, including: 1. Battery-Powered Devices: Ensures reliable operation by monitoring voltage levels and preventing undervoltage issues. 2. Industrial Control Systems: Provides voltage supervision to safeguard critical components and prevent system failures. 3. Automotive Electronics: Monitors voltage levels in automotive systems, ensuring proper functioning and preventing damage.

Detailed and Complete Alternative Models

1. TPS3839L30DBVR: Similar to TPS3838L30DBVR but with a different threshold voltage (3.09V).
2. TPS3838K33DBVR: Offers the same features as TPS3838L30DBVR but with a higher threshold voltage (3.3V).
3. TPS3838M25DBVR: Provides voltage monitoring with a lower threshold voltage (2.5V) for specific applications.

(Note: This list is not exhaustive and other alternative models may exist.)

In conclusion, the TPS3838L30DBVR is a voltage supervisor that ensures accurate monitoring of voltage levels in electronic systems. With its small package size, low quiescent current, and wide operating temperature range, it offers several advantages for various applications. However, its limited output drive capability may be a limitation in certain scenarios.