TPS3831G33DQNR

Product Overview

Category

The TPS3831G33DQNR 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
• Small package size

Package

The TPS3831G33DQNR comes in a small 6-pin SOT-23 package.

Essence

The essence of the TPS3831G33DQNR is to provide reliable voltage supervision and reset generation for microcontrollers, DSPs, and other digital devices.

Packaging/Quantity

The product is typically available in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 1.5V to 10V
• Reset Threshold Voltage: Adjustable from 2.93V to 3.08V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 1.5µA (typical)
• Power-On Reset Delay Time: 200ms (typical)

Detailed Pin Configuration

The TPS3831G33DQNR 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)
6. NC (No Connection)

Functional Features

• Precision voltage monitoring
• Manual reset input for system control
• Active-low reset output signal
• Power-on reset delay to ensure stable operation during power-up

Advantages and Disadvantages

Advantages

• Low-power consumption extends battery life in portable devices.
• Wide operating voltage range makes it suitable for various applications.
• Adjustable reset threshold allows customization for different voltage levels.
• Small package size saves board space in compact designs.

Disadvantages

• Limited number of pins may restrict the integration of additional features.
• Lack of built-in hysteresis may lead to potential noise-related issues.

Working Principles

The TPS3831G33DQNR monitors the supply voltage and generates a reset signal when the voltage falls below a certain threshold. It utilizes an internal voltage reference and comparator to compare the monitored voltage with the user-adjustable threshold. When the voltage drops below the threshold, the reset output is activated, indicating a power-on reset or voltage fault condition.

Detailed Application Field Plans

The TPS3831G33DQNR finds applications in various fields, including:

1. Embedded Systems: Provides reliable reset generation for microcontrollers and digital signal processors (DSPs) in embedded systems.
2. Industrial Automation: Ensures stable operation of control systems by monitoring voltage levels and initiating resets if necessary.
3. Automotive Electronics: Enhances the reliability of automotive electronic systems by monitoring critical voltage rails and generating appropriate reset signals.
4. Consumer Electronics: Protects sensitive digital devices from voltage fluctuations and ensures proper system initialization.

Detailed and Complete Alternative Models

1. TPS3830G33DQNR: Similar to TPS3831G33DQNR but without manual reset input.
2. TPS3832G33DQNR: Offers adjustable reset threshold and additional features like watchdog timer functionality.
3. TPS3808G33DCKR: Provides fixed reset threshold and integrated hysteresis for improved noise immunity.

These alternative models offer similar voltage supervision capabilities with slight variations in features and specifications.

Word count: 536 words