MAX823TEXK+TG002

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-3
• Essence: Monitors the voltage level and provides a reset signal when it falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V
• Quiescent Current: 1µA (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX823TEXK+TG002 is a three-pin device with the following pin configuration:

1. GND: Ground connection
2. RESET: Output reset signal
3. VCC: Supply voltage input

Functional Features

• Monitors the supply voltage continuously
• Provides a reset signal when the voltage drops below the specified threshold
• Precision voltage detection with multiple threshold options
• Low quiescent current for power efficiency
• Reset timeout period prevents false resets during voltage fluctuations

Advantages

• Wide supply voltage range allows compatibility with various systems
• Multiple threshold voltage options provide flexibility in different applications
• Low quiescent current minimizes power consumption
• Small package size enables space-saving designs
• Reset timeout period ensures reliable operation

Disadvantages

• Limited number of threshold voltage options
• Not suitable for high-voltage applications

Working Principles

The MAX823TEXK+TG002 is designed to monitor the supply voltage of a system. It compares the input voltage with a reference threshold and generates a reset signal when the voltage falls below the specified threshold. This reset signal can be used to initiate system recovery or perform other necessary actions.

The device operates with low quiescent current, ensuring minimal power consumption. The reset timeout period prevents false resets during voltage fluctuations, enhancing the reliability of the system.

Detailed Application Field Plans

The MAX823TEXK+TG002 is commonly used in various applications where voltage monitoring and reset functionality are required. Some typical application fields include:

1. Battery-powered devices: Ensures proper operation by monitoring battery voltage and initiating system recovery when the voltage drops below a critical level.
2. Microcontroller systems: Provides a reliable reset signal to restart the microcontroller in case of power supply issues or voltage drops.
3. Industrial control systems: Monitors the power supply voltage to prevent malfunctions and ensure safe operation of industrial equipment.

Detailed and Complete Alternative Models

• MAX823LEUK+: Similar features and specifications, but available in a SOT23-5 package.
• MAX809REUR+: Voltage detector with adjustable threshold options, available in a SOT23-3 package.
• MAX6381XR26D3-T: Precision voltage monitor with a fixed 2.6V threshold, available in a SOT23-3 package.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

In conclusion, the MAX823TEXK+TG002 is a voltage detector IC that provides precise voltage monitoring and reset functionality. Its low-power characteristics, small package size, and wide operating temperature range make it suitable for various applications. However, its limited threshold voltage options and unsuitability for high-voltage applications should be considered when selecting an alternative model.