TPS3838J25DBVRG4

Product Overview

Category

The TPS3838J25DBVRG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage threshold: 2.5V
• Accuracy: ±1%
• Low quiescent current: 1.6µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Small package size: SOT-23-5
• Low power-on reset time: 20ms (typical)

Package

The TPS3838J25DBVRG4 is packaged in a small SOT-23-5 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3838J25DBVRG4 is its ability to monitor and supervise voltage levels with high accuracy and low power consumption.

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 6.5V
• Reset threshold options: 2.5V
• Reset timeout options: 20ms
• Quiescent current: 1.6µA (typical)
• Operating temperature range: -40°C to +125°C
• Output type: Active-low, push-pull

Detailed Pin Configuration

The TPS3838J25DBVRG4 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply voltage)
3. MR (Manual reset input)
4. RESET (Reset output)
5. NC (No connection)

Functional Features

• Accurate voltage monitoring: The TPS3838J25DBVRG4 provides precise voltage threshold detection, ensuring reliable system operation.
• Low power consumption: With a quiescent current of only 1.6µA, this device minimizes power consumption and extends battery life in portable applications.
• Fast power-on reset: The TPS3838J25DBVRG4 has a quick power-on reset time of 20ms, allowing for rapid system initialization.

Advantages and Disadvantages

Advantages

• High accuracy voltage monitoring
• Low power consumption
• Small package size
• Wide operating temperature range

Disadvantages

• Limited reset threshold options
• Single output type (active-low, push-pull)

Working Principles

The TPS3838J25DBVRG4 operates by comparing the input voltage with a fixed threshold level. When the input voltage drops below the threshold, the reset output is activated, indicating a power failure or low voltage condition. The manual reset input allows for external control of the reset function.

Detailed Application Field Plans

The TPS3838J25DBVRG4 finds application in various fields, including: 1. Battery-powered devices: Ensuring proper voltage levels in portable electronics such as smartphones, tablets, and wearables. 2. Industrial automation: Monitoring voltage stability in control systems and equipment. 3. Automotive electronics: Supervising voltage levels in automotive applications to prevent malfunctions.

Detailed and Complete Alternative Models

Some alternative models to the TPS3838J25DBVRG4 include: - TPS3839J25DBVRG4: Similar specifications but with a different reset threshold option (2.5V). - TPS3838K33DBVRG4: Higher reset threshold option (3.3V) with similar characteristics and package.

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