MAX6424UK21+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-5
• Essence: Provides accurate monitoring and reset generation for microcontrollers and other digital systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.1V, 2.3V, 2.5V, 2.8V, 3.0V, 3.1V, 3.3V, 3.6V, 4.0V, 4.5V
• Reset Timeout Period: Adjustable or fixed options available
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6424UK21+T features 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. VCC: Positive supply voltage
5. TH: Threshold voltage selection input

Functional Features

• Accurate voltage monitoring: The MAX6424UK21+T provides precise monitoring of the supply voltage, ensuring reliable operation of microcontrollers and digital systems.
• Reset generation: It generates an active-low reset signal when the monitored voltage falls below the programmed threshold, allowing proper system initialization.
• Adjustable/reset timeout period: The device offers options for adjusting the reset timeout period or using a fixed timeout value, providing flexibility in different application scenarios.
• Low-power operation: With a quiescent current of only 1µA, the MAX6424UK21+T minimizes power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring - Flexible reset threshold options - Low-power operation - Small package size

Disadvantages: - Limited number of reset threshold options - Manual reset input may require additional external components for proper functionality

Working Principles

The MAX6424UK21+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the programmed threshold, the device asserts an active-low reset signal. The reset remains active until the voltage rises above the threshold or a timeout period elapses. The manual reset input allows for immediate system reset when triggered externally.

Detailed Application Field Plans

The MAX6424UK21+T finds applications in various fields, including: 1. Battery-powered devices: Provides reliable voltage monitoring and reset generation for portable electronics, ensuring proper operation and preventing data corruption during low-voltage conditions. 2. Industrial automation: Enables precise monitoring of supply voltages in control systems, allowing timely intervention and preventing equipment malfunction due to voltage fluctuations. 3. Automotive electronics: Ensures stable operation of microcontrollers and digital systems in vehicles, enhancing safety and reliability.

Detailed and Complete Alternative Models

1. MAX6425UK26+T: Similar to MAX6424UK21+T but with different reset threshold options (2.6V, 2.8V, 3.0V, 3.3V, 3.5V, 3.7V, 4.0V, 4.5V).
2. MAX6426UK29+T: Offers adjustable/reset timeout period and reset threshold options (2.9V, 3.1V, 3.3V, 3.6V, 3.8V, 4.0V, 4.3V, 4.5V).

(Note: The above alternative models are for illustrative purposes and not an exhaustive list.)

In conclusion, the MAX6424UK21+T is a voltage supervisor IC that provides accurate monitoring and reset generation for microcontrollers and digital systems. With its low-power operation, small package size, and flexible features, it finds applications in various fields, including battery-powered devices, industrial automation, and automotive electronics.