TPS3838K33MDBVREP

Product Overview

Category

The TPS3838K33MDBVREP 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 Range: 3.08V to 3.42V
• Accuracy: ±1%
• Quiescent Current: 2.5µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Power-On Reset Delay: 200ms (typical)

Package

The TPS3838K33MDBVREP is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to provide accurate voltage monitoring and reset generation for microcontrollers, DSPs, and other digital systems.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6V
• Threshold Voltage: 3.3V
• Reset Threshold Accuracy: ±1%
• Reset Timeout Period: 200ms (typical)
• Output Type: Active Low
• Power-On Reset Delay: 200ms (typical)
• Quiescent Current: 2.5µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3838K33MDBVREP has the following pin configuration:

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

Functional Features

• Accurate voltage monitoring and reset generation
• Wide supply voltage range for compatibility with various systems
• Low quiescent current for power efficiency
• Active low reset output for easy integration with digital systems
• Power-on reset delay to ensure stable operation during power-up

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring helps prevent system malfunctions.
• Low quiescent current minimizes power consumption.
• Wide supply voltage range allows for versatile applications.
• Small package size enables use in space-constrained designs.

Disadvantages

• The product may not be suitable for applications requiring a different threshold voltage.
• Limited availability of alternative models may restrict design flexibility.

Working Principles

The TPS3838K33MDBVREP operates by continuously monitoring the input voltage. When the voltage falls below the preset threshold (3.3V), the reset output is activated, signaling a system reset. This ensures that the microcontroller or digital system starts in a known state, preventing erratic behavior due to insufficient voltage levels.

Detailed Application Field Plans

The TPS3838K33MDBVREP finds applications in various fields, including: 1. Battery-powered devices: Ensures proper functioning and prevents damage due to low battery voltage. 2. Industrial automation: Monitors voltage levels in control systems to maintain stability and reliability. 3. Automotive electronics: Provides voltage supervision for critical components, enhancing safety and performance. 4. IoT devices: Enables reliable operation and remote monitoring of connected devices. 5. Medical equipment: Ensures continuous operation and patient safety by monitoring voltage levels.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS3838K33MDBVREP include: 1. MAX823: Voltage supervisor with adjustable threshold voltage. 2. ADM6316: Microprocessor supervisory circuit with watchdog timer. 3. MCP130: Precision voltage monitor with manual reset input. 4. TL7705: Supply voltage supervisor with adjustable reset timeout period.

These alternative models provide options for different threshold voltages, additional features, and package variations, allowing designers to choose the most suitable option for their specific requirements.

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