MAX16059ATT22+T

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisors
• Characteristics: Low-power, precision voltage monitor with manual reset input and watchdog timer
• Package: Thin SOT23-6 package
• Essence: Provides accurate monitoring of system voltages to ensure proper operation and prevent damage
• Packaging/Quantity: Available in tape and reel packaging, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Options: 2.2V, 2.3V, 2.5V, 2.6V, 2.8V, 3.0V, 3.1V, 3.3V, 4.38V, 4.63V, 4.75V, 4.88V
• Watchdog Timeout Period: 1.6s, 3.2s, 6.4s, 12.8s (typical)

Pin Configuration

The MAX16059ATT22+T has the following pin configuration:

```

---

| | --| RESET |-- --| GND |-- --| MR |-- --| VCC |-- --| WDI |-- |___________| ```

• RESET: Active-low reset output
• GND: Ground reference
• MR: Manual reset input
• VCC: Supply voltage input
• WDI: Watchdog input

Functional Features

• Accurate voltage monitoring with selectable threshold options
• Manual reset input for system initialization
• Watchdog timer to detect and recover from system malfunctions
• Low-power consumption for energy-efficient operation
• Wide supply voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - Provides precise voltage monitoring, ensuring system reliability - Manual reset input allows for controlled system initialization - Watchdog timer enhances system stability by detecting and recovering from malfunctions - Low-power design helps conserve energy - Wide supply voltage range offers flexibility in system integration

Disadvantages: - Limited number of reset threshold options - Thin SOT23-6 package may require careful handling during installation

Working Principles

The MAX16059ATT22+T monitors the system voltage by comparing it to a user-selectable threshold. When the voltage falls below the threshold, the active-low RESET output is asserted, indicating a power failure or an out-of-tolerance condition. The manual reset (MR) input allows the system to be initialized externally. Additionally, the watchdog timer (WDI) input must be toggled within a specified timeout period to prevent a system reset.

Detailed Application Field Plans

The MAX16059ATT22+T is commonly used in applications where accurate voltage monitoring is critical for system integrity. Some potential application fields include:

1. Power Supply Units (PSUs): Ensures stable power delivery and protects sensitive components from voltage fluctuations.
2. Industrial Control Systems: Monitors voltage levels to prevent damage to machinery and ensure reliable operation.
3. Automotive Electronics: Safeguards critical systems such as engine control units (ECUs) against voltage anomalies.
4. Medical Devices: Provides voltage supervision to guarantee proper functioning and patient safety.
5. Consumer Electronics: Protects electronic devices from power supply irregularities, preventing data loss or hardware damage.

Detailed and Complete Alternative Models

1. MAX16058ATT22+T: Similar to MAX16059ATT22+T but with different reset threshold options.
2. MAX16060ATT22+T: Voltage supervisor with additional features such as adjustable reset timeout and power-fail comparator.
3. MAX16061ATT22+T: Integrated circuit offering voltage monitoring, watchdog timer, and manual reset input in a different package.

These alternative models provide similar functionality to the MAX16059ATT22+T and can be considered based on specific application requirements.

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