MAX803TEXR/V+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector
• Characteristics: Low-power, Reset Output, Precision Monitoring
• Package: SOT-23-3
• Essence: Supervisory Circuit
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX803TEXR/V+T IC has a SOT-23-3 package with three pins: 1. GND: Ground pin 2. RESET: Active-low reset output pin 3. VCC: Supply voltage input pin

Functional Features

• Voltage monitoring: The MAX803TEXR/V+T continuously monitors the supply voltage and provides a reset signal when it falls below the specified threshold.
• Precision monitoring: The device offers accurate voltage detection with multiple threshold options.
• Low-power operation: It consumes minimal power during operation, making it suitable for battery-powered applications.
• Reset output: The active-low reset output is asserted when the supply voltage drops below the threshold, ensuring proper system initialization.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Multiple threshold and timeout options provide flexibility in different applications. - Low-power consumption extends battery life. - Small package size enables space-saving designs.

Disadvantages: - Limited reset timeout period options may not suit all application requirements. - Lack of adjustable threshold voltage limits customization possibilities.

Working Principles

The MAX803TEXR/V+T operates as a supervisory circuit, monitoring the supply voltage to ensure proper system operation. When the voltage falls below the selected threshold, the active-low reset output is asserted, indicating the need for system initialization. The reset signal remains active until the voltage rises above the threshold or the timeout period elapses.

Detailed Application Field Plans

The MAX803TEXR/V+T finds applications in various fields, including: 1. Battery-powered devices: It ensures reliable power management and system reset in portable electronics like smartphones, tablets, and wearables. 2. Industrial control systems: The IC provides voltage monitoring and reset functionality in automation equipment, motor control systems, and PLCs. 3. Automotive electronics: It ensures proper initialization and protection of critical systems in vehicles, such as engine control units (ECUs) and safety modules. 4. Medical devices: The voltage detector guarantees stable operation and safe power-up sequences in medical equipment like patient monitors and infusion pumps.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage detector IC with adjustable threshold voltage and reset timeout options.
2. MAX811: Voltage monitor with manual reset input and watchdog timer functionality.
3. MAX803L: Low-power version of MAX803TEXR/V+T with extended temperature range.

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