MAX6452UT26L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, small form factor
• Package: SOT-23-6
• Essence: Monitors voltage levels and provides reset signals
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Reset Threshold Voltage Options: 2.6V, 3.08V, 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The MAX6452UT26L+T IC has a total of six pins arranged in the following configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output --| MR |-- Pin 3: Manual Reset Input --| TH |-- Pin 4: Threshold Voltage Selection --| TR |-- Pin 5: Reset Timeout Period Selection --| VCC |-- Pin 6: Power Supply (VCC) |___________| ```

Functional Features

• Monitors the power supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides an adjustable reset timeout period to ensure proper system initialization.
• Includes a manual reset input for external reset control.
• Low quiescent current consumption makes it suitable for battery-powered applications.
• Small form factor package allows for space-efficient designs.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various systems. - Adjustable reset threshold and timeout period provide flexibility in different applications. - Low quiescent current consumption prolongs battery life. - Small package size enables compact designs.

Disadvantages: - Limited number of available threshold voltage options. - Reset timeout period adjustment range may not be sufficient for certain applications. - Lack of additional advanced features compared to some competing models.

Working Principles

The MAX6452UT26L+T operates by continuously monitoring the power supply voltage using an internal voltage reference. When the voltage falls below the selected threshold, the IC asserts the reset output pin, indicating a system reset condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

The manual reset input allows for external control over the reset signal, enabling system reset without relying solely on the monitored voltage level. The low quiescent current consumption ensures minimal power drain during normal operation, making it suitable for battery-powered devices.

Detailed Application Field Plans

The MAX6452UT26L+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some specific application fields include:

1. Microcontrollers and Microprocessors: Ensures proper initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Communication Systems: Provides reset signals to ensure stable operation and prevent data corruption.
3. Industrial Control Systems: Monitors power supply integrity to avoid malfunctions and protect sensitive equipment.
4. Automotive Electronics: Ensures safe and reliable operation of critical systems, such as engine control units and safety modules.
5. Battery-Powered Devices: Maximizes battery life by minimizing power consumption during standby periods.

Detailed and Complete Alternative Models

1. MAX6381XR46D3+: Offers similar voltage monitoring and reset functionality with a different package and reset threshold options.
2. LTC2917IGN#PBF: Provides advanced features like adjustable reset delay and watchdog timer in addition to voltage monitoring.
3. ADM708TARZ-REEL7: Offers a wider range of reset threshold options and additional power supply monitoring capabilities.

These alternative models provide similar functionality to the MAX6452UT26L+T, but with varying specifications and features that may better suit specific application requirements.

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