MAX6726KAVDD3+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Monitoring and Resetting
• Characteristics: Low-power, Precision, Programmable, Supervisor Circuit
• Package: SOT23-5
• Essence: Monitors voltage levels and provides reset signals to microprocessors and other digital systems.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.63V, 4.38V, 4.50V (Programmable)
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms (Programmable)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6726KAVDD3+T has a SOT23-5 package with the following pin configuration:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VDD: Positive supply voltage
5. N/C: No connection

Functional Features

• Monitors the supply voltage and asserts the reset signal when it falls below the programmed threshold.
• Provides a manual reset input for external system control.
• Programmable reset threshold voltage and timeout period options for flexibility.
• Low quiescent current consumption for power-sensitive applications.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Programmable options provide customization for different voltage levels and timeout requirements.
• Low quiescent current consumption helps in power-saving applications.
• Small SOT23-5 package enables space-efficient designs.

Disadvantages

• Limited number of reset threshold voltage and timeout period options.
• Manual reset input may require additional external components for proper functionality.

Working Principles

The MAX6726KAVDD3+T is a supervisor circuit that continuously monitors the supply voltage. It compares the voltage level with the programmed threshold and asserts the reset signal when the voltage falls below the threshold. The reset signal remains active until the voltage rises above the threshold or the timeout period elapses.

The device also includes a manual reset input (MR) that allows external control to assert the reset signal. This feature is useful during system testing or when a manual reset is required.

Detailed Application Field Plans

The MAX6726KAVDD3+T is commonly used in various applications where voltage monitoring and resetting are critical. Some typical application fields include:

1. Microcontroller Systems: Ensures reliable operation by resetting the microcontroller when the supply voltage drops below a certain level.
2. Industrial Control Systems: Monitors power supply integrity and resets the system if voltage fluctuations occur.
3. Embedded Systems: Provides a fail-safe mechanism by resetting the system when abnormal voltage conditions are detected.
4. Battery-Powered Devices: Prevents damage to sensitive electronics by initiating a reset when the battery voltage reaches a critical level.

Detailed and Complete Alternative Models

1. MAX6710UTZD3+: Similar voltage monitoring and resetting IC with adjustable threshold and timeout options. Available in SOT23-6 package.
2. MAX6381XR26D3-T: Voltage supervisor IC with fixed 2.6V threshold and adjustable timeout options. Comes in SOT23-3 package.
3. MAX6741XKVHD3+: Programmable voltage monitor and reset IC with extended temperature range. Offered in SOT23-5 package.

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

Word count: 511 words