MAX6426UK22+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
Threshold Voltage Options: 2.2V
Reset Timeout Period: Adjustable
Operating Temperature Range: -40°C to +85°C
Quiescent Current: 3µA (typical)

Detailed Pin Configuration

The MAX6426UK22+T has a total of 5 pins:

GND: Ground connection
RESET: Active-low reset output
MR: Manual reset input
VCC: Positive supply voltage
TH: Threshold voltage selection pin

Functional Features

Accurate voltage monitoring: The MAX6426UK22+T ensures precise monitoring of the supply voltage, providing reliable protection against undervoltage conditions.
Reset generation: It generates an active-low reset signal when the monitored voltage falls below the threshold voltage.
Adjustable timeout period: The reset timeout period can be adjusted using external components, allowing customization based on specific system requirements.
Low-power operation: With a quiescent current of only 3µA, the MAX6426UK22+T minimizes power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring - Adjustable reset timeout period - Low-power consumption - Small package size

Disadvantages: - Limited threshold voltage options - Requires external components for timeout adjustment

Working Principles

The MAX6426UK22+T operates by comparing the supply voltage with the threshold voltage set by the TH pin. When the supply voltage drops below the threshold, the reset output is activated, indicating an undervoltage condition. The reset remains active until the supply voltage rises above the threshold and the timeout period elapses.

Detailed Application Field Plans

The MAX6426UK22+T finds applications in various fields, including: 1. Microcontroller systems 2. Digital systems 3. Battery-powered devices 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

MAX6426UK26+T: Similar to MAX6426UK22+T but with a threshold voltage of 2.6V.
MAX6426UK28+T: Similar to MAX6426UK22+T but with a threshold voltage of 2.8V.
MAX6426UK30+T: Similar to MAX6426UK22+T but with a threshold voltage of 3.0V.
MAX6426UK33+T: Similar to MAX6426UK22+T but with a threshold voltage of 3.3V.

These alternative models provide flexibility in selecting the appropriate threshold voltage for specific system requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6426UK22+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX6426UK22+T in technical solutions:

Question: What is the purpose of the MAX6426UK22+T?
- Answer: The MAX6426UK22+T is a voltage monitor and reset IC that provides power supply monitoring and reset generation for microcontrollers, DSPs, and other digital systems.
Question: What is the operating voltage range of the MAX6426UK22+T?
- Answer: The operating voltage range of the MAX6426UK22+T is from 1.6V to 5.5V.
Question: How many voltage monitoring inputs does the MAX6426UK22+T have?
- Answer: The MAX6426UK22+T has two voltage monitoring inputs.
Question: Can the MAX6426UK22+T generate a reset signal when the monitored voltage falls below a certain threshold?
- Answer: Yes, the MAX6426UK22+T can generate a reset signal when the monitored voltage falls below a programmable threshold.
Question: What is the typical reset timeout period of the MAX6426UK22+T?
- Answer: The typical reset timeout period of the MAX6426UK22+T is 140ms.
Question: Does the MAX6426UK22+T have an open-drain output for the reset signal?
- Answer: Yes, the MAX6426UK22+T has an open-drain RESET output.
Question: Can the MAX6426UK22+T be used in battery-powered applications?
- Answer: Yes, the low quiescent current and wide operating voltage range make the MAX6426UK22+T suitable for battery-powered applications.
Question: What is the maximum supply current of the MAX6426UK22+T?
- Answer: The maximum supply current of the MAX6426UK22+T is 10µA.
Question: Can the threshold voltage for voltage monitoring be adjusted?
- Answer: Yes, the threshold voltage for voltage monitoring can be adjusted using external resistors.
Question: Is the MAX6426UK22+T available in a small package?
- Answer: Yes, the MAX6426UK22+T is available in a space-saving SOT23-5 package.

Please note that these answers are based on general information about the MAX6426UK22+T and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed technical specifications and guidelines.