MAX16058ATA22+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, low-voltage operation
• Package: 8-pin Thin SOT23 package
• Essence: Provides voltage monitoring and reset generation for microcontrollers and other digital systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.2V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Reset Output: Active-Low, Open-Drain

Detailed Pin Configuration

The MAX16058ATA22+T features the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. VCC: Positive supply voltage
4. RESET#: Active-Low Reset output
5. TH: Threshold voltage selection
6. CT: Capacitor connection for reset timeout adjustment
7. NC: No Connection
8. GND: Ground connection

Functional Features

• Voltage Monitoring: Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Manual Reset: Allows for manual reset of the system by asserting a low level on the MR pin.
• Adjustable Reset Timeout: The reset timeout period can be adjusted using an external capacitor connected to the CT pin.
• Power-On Reset: Generates a reset pulse upon power-up to ensure proper initialization of the system.

Advantages and Disadvantages

Advantages: - Low-power operation extends battery life in portable applications. - Wide supply voltage range allows for compatibility with various systems. - Adjustable reset timeout provides flexibility in system design.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Open-drain output requires an external pull-up resistor for proper operation.

Working Principles

The MAX16058ATA22+T operates by continuously monitoring the supply voltage. When the voltage falls below the threshold voltage set by the TH pin, the device asserts a low level on the RESET# pin, indicating a reset condition. The reset remains active until the supply voltage rises above the threshold voltage and the reset timeout period elapses. The reset timeout period can be adjusted using an external capacitor connected to the CT pin.

Detailed Application Field Plans

The MAX16058ATA22+T finds applications in various fields, including:

1. Microcontroller Systems: Provides reliable power-on reset and voltage monitoring for microcontroller-based systems.
2. Industrial Control Systems: Ensures proper initialization and fault detection in industrial control systems.
3. Battery-Powered Devices: Maximizes battery life by monitoring the supply voltage and initiating a reset when necessary.
4. Embedded Systems: Offers a compact and efficient solution for voltage monitoring and reset generation in embedded systems.

Detailed and Complete Alternative Models

1. MAX16059ATA25+T: Similar to MAX16058ATA22+T but with a threshold voltage of 2.5V.
2. MAX16060ATA30+T: Similar to MAX16058ATA22+T but with a threshold voltage of 3.0V.
3. MAX16061ATA33+T: Similar to MAX16058ATA22+T but with a threshold voltage of 3.3V.

These alternative models provide different threshold voltage options to accommodate a wider range of applications.

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