MAX6425UK26+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-5
• Essence: Provides reset output when the monitored voltage falls below a predetermined threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6V
• Reset Threshold Voltage: 2.63V
• Reset Timeout Period: 140ms
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6425UK26+T has a total of five pins:

1. GND: Ground connection
2. MR: Active-low manual reset input
3. RESET: Reset output
4. VCC: Positive supply voltage
5. TH: Threshold voltage input

Functional Features

• Monitors the voltage level and provides a reset signal when it falls below the threshold voltage
• Manual reset input allows for immediate system reset
• Precision voltage monitoring ensures accurate detection of voltage drops
• Low quiescent current minimizes power consumption
• Small package size enables space-efficient designs

Advantages

• Wide supply voltage range allows for versatile applications
• Precise voltage monitoring enhances system reliability
• Low-power operation extends battery life in portable devices
• Compact package facilitates integration into space-constrained designs

Disadvantages

• Limited number of pins may restrict the functionality of complex systems
• Fixed reset threshold voltage may not be suitable for all applications
• Reset timeout period may not be adjustable, limiting flexibility in certain scenarios

Working Principles

The MAX6425UK26+T operates by continuously monitoring the voltage level at the TH pin. When the voltage falls below the threshold voltage, the RESET pin is asserted low, indicating a reset condition. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin.

Detailed Application Field Plans

The MAX6425UK26+T finds applications in various fields, including:

1. Battery-powered devices: Ensures proper operation by monitoring battery voltage and initiating a reset if it drops below a critical level.
2. Microcontroller systems: Provides a reliable reset signal to microcontrollers during power-up or voltage fluctuations, preventing erratic behavior.
3. Industrial equipment: Monitors power supply voltages in industrial machinery, triggering a reset if voltage deviations occur to maintain system integrity.
4. Automotive electronics: Safeguards sensitive automotive electronics by monitoring voltage levels and initiating resets in case of power supply issues.

Detailed and Complete Alternative Models

1. MAX6426UK26+T: Similar to MAX6425UK26+T but with an adjustable reset threshold voltage.
2. MAX6427UK26+T: Offers additional features such as a watchdog timer and adjustable reset timeout period.
3. MAX6428UK26+T: Provides multiple reset outputs for monitoring different voltage thresholds simultaneously.

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