TPS3839A09DQNR

Product Overview

Category

The TPS3839A09DQNR 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
• High accuracy
• Adjustable reset threshold
• Power-on reset delay
• Manual reset input
• Watchdog timer
• Small form factor

Package

The TPS3839A09DQNR comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3839A09DQNR is its ability to provide reliable voltage monitoring and reset generation in electronic systems.

Packaging/Quantity

The 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 Voltage: Adjustable from 0.8V to 4.6V
• Power-On Reset Delay: 200ms (typical)
• Manual Reset Input: Active-low
• Watchdog Timer Timeout Period: 1.6s (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3839A09DQNR has the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset)
3. VDD (Supply Voltage)

Functional Features

• Voltage monitoring and supervision
• Reset generation upon power-up or voltage drop
• Manual reset capability
• Watchdog timer functionality for system integrity

Advantages and Disadvantages

Advantages

• Low-power consumption extends battery life in portable devices.
• Wide operating voltage range makes it compatible with various systems.
• Adjustable reset threshold allows customization for different applications.
• Small form factor enables usage in space-constrained designs.

Disadvantages

• Limited number of available alternative models.
• May require additional external components for certain applications.

Working Principles

The TPS3839A09DQNR operates by continuously monitoring the supply voltage. When the voltage drops below the preset threshold, it generates a reset signal to ensure proper system operation. The device also includes a manual reset input and a watchdog timer to enhance system reliability.

Detailed Application Field Plans

The TPS3839A09DQNR finds application in various electronic systems, including but not limited to: - Battery-powered devices - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

While the TPS3839A09DQNR is a reliable voltage supervisor, there are alternative models available from different manufacturers that offer similar functionality. Some notable alternatives include: - MAX809 series by Maxim Integrated - ADM1060 series by Analog Devices - MCP1316 series by Microchip Technology

These alternative models provide comparable features and can be considered based on specific application requirements.

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