MAX6445UK26L+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: SOT23-5
• Essence: Provides accurate monitoring of voltage levels and generates a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.6V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6445UK26L+ has a total of five pins:

1. VCC: Power supply input pin
2. GND: Ground reference pin
3. MR: Manual reset input pin
4. RESET: Active-low reset output pin
5. TH: Threshold voltage selection pin

Functional Features

• Accurate voltage monitoring: The MAX6445UK26L+ continuously monitors the input voltage and compares it with the threshold voltage set by the TH pin.
• Reset generation: When the input voltage falls below the threshold voltage, the MAX6445UK26L+ asserts the RESET pin low, generating a reset signal for the connected system.
• Adjustable reset timeout: The timeout period for the reset signal can be adjusted using external components, allowing flexibility in system response time.

Advantages and Disadvantages

Advantages

• Low-power consumption: The MAX6445UK26L+ operates at very low power levels, making it suitable for battery-powered applications.
• Precision voltage monitoring: The IC provides accurate voltage monitoring, ensuring reliable system operation.
• Small package size: The SOT23-5 package allows for space-efficient integration into compact electronic designs.

Disadvantages

• Limited threshold voltage options: The MAX6445UK26L+ only offers a single threshold voltage option of 2.6V, which may not be suitable for all applications requiring voltage monitoring.

Working Principles

The MAX6445UK26L+ utilizes an internal voltage reference and comparator to continuously monitor the input voltage. When the input voltage falls below the threshold voltage set by the TH pin, the comparator triggers the reset circuitry, asserting the RESET pin low and generating a reset signal. The reset timeout period can be adjusted using external components.

Detailed Application Field Plans

The MAX6445UK26L+ is commonly used in various applications where accurate voltage monitoring and reset generation are critical. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Battery-powered devices
5. Industrial control systems

Detailed and Complete Alternative Models

1. MAX6445UK26L+: 2.6V threshold voltage, SOT23-5 package
2. MAX6445UK27L+: 2.7V threshold voltage, SOT23-5 package
3. MAX6445UK28L+: 2.8V threshold voltage, SOT23-5 package
4. MAX6445UK29L+: 2.9V threshold voltage, SOT23-5 package
5. MAX6445UK30L+: 3.0V threshold voltage, SOT23-5 package

These alternative models offer different threshold voltage options while maintaining similar characteristics and package options.

In conclusion, the MAX6445UK26L+ is a voltage monitor and reset circuit IC that provides accurate voltage monitoring and reset generation capabilities. Its low-power consumption, precision voltage monitoring, and small package size make it suitable for various applications in microcontrollers, embedded systems, power management circuits, and more. However, the limited threshold voltage options may restrict its use in certain applications.