MAX6898AAZT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: SOT-23-6
• Essence: Provides accurate monitoring of system voltages and generates a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6898AAZT+T IC has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. VCC: Positive supply voltage
4. RESET: Reset output
5. TH: Threshold voltage selection
6. TR: Reset timeout period selection

Functional Features

• Accurate Voltage Monitoring: The MAX6898AAZT+T monitors the system voltage with high precision, ensuring reliable operation.
• Reset Output: When the monitored voltage falls below the selected threshold, the IC generates a reset signal to initiate a system reset.
• Adjustable Reset Timeout: The reset timeout period can be adjusted to suit specific application requirements.
• Low Power Consumption: With a quiescent current of only 1µA, the IC minimizes power consumption.

Advantages and Disadvantages

Advantages: - High accuracy voltage monitoring - Adjustable reset timeout period - Low power consumption

Disadvantages: - Limited threshold voltage options - SOT-23-6 package may not be suitable for all applications

Working Principles

The MAX6898AAZT+T operates by continuously monitoring the system voltage using an internal voltage reference. When the voltage falls below the selected threshold, the IC triggers the reset output, initiating a system reset. The reset timeout period can be adjusted to allow for proper system stabilization before resetting.

Detailed Application Field Plans

The MAX6898AAZT+T is commonly used in various applications where accurate voltage monitoring and reliable system reset are crucial. Some of the typical application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing data corruption during power-up or brownout conditions.
2. Industrial Control Systems: Monitoring critical voltages in industrial equipment to prevent malfunctions and ensure safe operation.
3. Automotive Electronics: Providing voltage monitoring and reset functionality in automotive systems to enhance reliability and safety.
4. Battery-Powered Devices: Protecting battery-powered devices from undervoltage conditions and ensuring proper shutdown when the battery is depleted.

Detailed and Complete Alternative Models

1. MAX809: Voltage Monitor with Fixed Threshold and Reset Output
2. MAX6715: Dual Voltage Monitor with Adjustable Thresholds and Reset Outputs
3. MAX638: Voltage Monitor with Programmable Threshold and Reset Delay
4. MAX811: Voltage Monitor with Manual Reset Input and Reset Output

These alternative models offer similar functionality to the MAX6898AAZT+T and can be considered based on specific application requirements.

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