MAX6456UT26S+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 Options: 2.6V, 2.8V, 3.0V, 3.3V, 3.6V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 4µA (typical)

Pin Configuration

The MAX6456UT26S+T has a total of 6 pins arranged as follows:

____ VCC| |GND RST| |MR GND| |RST ----

• VCC: Power supply input pin
• GND: Ground reference pin
• RST: Reset output pin
• MR: Manual reset input pin

Functional Features

• Monitors the supply voltage and asserts the reset signal when it falls below the specified threshold.
• Provides a manual reset option through the MR pin.
• Offers multiple reset timeout options for flexibility in different applications.
• Low quiescent current consumption makes it suitable for battery-powered devices.
• Small form factor package enables space-constrained designs.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Accurate reset threshold options ensure reliable operation. - Multiple reset timeout periods cater to different system requirements. - Low quiescent current consumption prolongs battery life. - Small package size facilitates compact designs.

Disadvantages: - Limited number of reset threshold options available. - Reset timeout periods may not be suitable for all applications. - Manual reset functionality may not be required in all systems.

Working Principles

The MAX6456UT26S+T operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold, the reset output pin (RST) is asserted, indicating a power-on 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 MAX6456UT26S+T finds applications in various fields, including:

1. Embedded Systems: Provides reliable power-on reset functionality for microcontrollers and other embedded devices.
2. Battery-Powered Devices: Ensures proper operation by monitoring voltage levels and preventing erratic behavior during low battery conditions.
3. Industrial Control Systems: Offers reset signals to critical components, ensuring safe and controlled startup after power interruptions.
4. Automotive Electronics: Monitors supply voltage in automotive systems, providing reset signals to microcontrollers and safety-critical modules.
5. Consumer Electronics: Enables stable operation of consumer devices by resetting them when the supply voltage drops below the specified threshold.

Detailed and Complete Alternative Models

1. MAX6457UT26S+T: Similar to MAX6456UT26S+T but with additional features such as adjustable reset thresholds and watchdog timer functionality.
2. MAX6389UT26D3+T: Voltage supervisor IC with fixed 2.6V reset threshold and adjustable reset timeout period.
3. MAX809REUR+T: Microprocessor supervisory circuit with a fixed 3.08V reset threshold and adjustable reset timeout period.

These alternative models offer similar voltage monitoring and reset functionality, catering to different application requirements.

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