MAX16058ATA18+T

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisors
• Characteristics: Low-power, low-voltage, microprocessor reset circuit
• Package: 8-pin Thin SOT23 package
• Essence: Provides power-on reset and watchdog timer functions for microprocessors
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 1.8V
• Watchdog Timeout Period: 1.6s
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX16058ATA18+T has the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. RESET#: Active-low reset output
4. MR#: Manual reset input
5. WDI: Watchdog input
6. CT: Capacitor connection for watchdog timeout period adjustment
7. GPO: General-purpose output
8. NC: No connect

Functional Features

• Power-on reset function ensures proper initialization of microprocessors
• Watchdog timer monitors system activity and resets the microprocessor if necessary
• Manual reset input allows external control over the reset operation
• General-purpose output can be used for various system monitoring purposes

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Small package size - Easy integration into existing designs

Disadvantages: - Limited watchdog timeout period options - Requires an external capacitor for watchdog timeout adjustment

Working Principles

The MAX16058ATA18+T operates by monitoring the supply voltage and system activity. Upon power-up, the power-on reset function ensures that the microprocessor starts in a known state. The watchdog timer continuously monitors the system by expecting a periodic input signal on the WDI pin. If the input signal is not received within the specified timeout period, the microprocessor is reset to prevent it from getting stuck in an undesired state. The MR# pin allows for manual reset control, providing flexibility in system design.

Detailed Application Field Plans

The MAX16058ATA18+T is commonly used in various applications where reliable microprocessor operation is critical. Some of the typical application fields include:

1. Embedded Systems: Provides essential reset functionality for microcontrollers and microprocessors used in embedded systems.
2. Industrial Automation: Ensures proper initialization and continuous monitoring of industrial automation systems.
3. Automotive Electronics: Enhances the reliability of automotive electronic control units (ECUs) by preventing system lock-ups.
4. Consumer Electronics: Used in devices like smart home controllers, IoT devices, and wearable gadgets to ensure stable operation.

Detailed and Complete Alternative Models

1. MAX16059ATA18+T: Similar to MAX16058ATA18+T but with a different reset threshold voltage of 1.8V.
2. MAX16060ATA18+T: Offers adjustable watchdog timeout period through an external resistor and capacitor.
3. MAX16061ATA18+T: Provides additional features like a manual reset input and a watchdog disable option.

These alternative models offer similar functionality with slight variations to cater to specific design requirements.

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