MAX6458UKD0A+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, reset output
• Package: SOT-23-5
• Essence: Monitors voltage levels and provides a reset signal when necessary
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.5V, 3.0V, 3.3V, 3.6V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6458UKD0A+T has the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. MR (Manual Reset Input)
4. VCC (Supply Voltage)
5. TH (Threshold Input)

Functional Features

• Monitors the supply voltage and asserts the reset output when it falls below the threshold voltage.
• Provides a manual reset input for immediate system reset.
• Offers multiple threshold options to suit different voltage requirements.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High accuracy in monitoring voltage levels ensures reliable operation. - Small package size (SOT-23-5) enables space-saving designs. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited reset timeout period may not be suitable for all applications. - Manual reset input may require additional external components for proper functionality.

Working Principles

The MAX6458UKD0A+T operates by continuously monitoring the supply voltage using the TH pin. When the voltage falls below the selected threshold level, the RESET pin is asserted, indicating a low-voltage condition. The reset output remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6458UKD0A+T finds applications in various fields, including:

1. Battery-Powered Devices: Ensures proper operation by monitoring battery voltage and initiating a reset when necessary.
2. Microcontroller Systems: Provides a reliable reset signal to ensure correct system startup and operation.
3. Industrial Control Systems: Monitors power supply voltages to prevent malfunctions and ensure system stability.
4. Automotive Electronics: Protects sensitive components from voltage fluctuations and initiates system resets if needed.

Detailed and Complete Alternative Models

1. MAX6459UKD0A+T: Similar to MAX6458UKD0A+T but with different reset timeout period options.
2. MAX6460UKD0A+T: Voltage supervisor IC with adjustable threshold voltage and manual reset input.
3. MAX6461UKD0A+T: Dual voltage supervisor IC with independent threshold inputs and reset outputs.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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