MAX6444US26L+T

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MAX6444US26L+T

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IC SUPERVISOR 1 CHANNEL SOT143-4

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #MAX6444US26L+T

  • Pacote SOT-143-4

  • Em Estoque3768

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 2.625V
Output Open Drain or Open Collector
Reset Active Low
ResetTimeout 140ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case TO-253-4, TO-253AA

Visão Geral

Description

The MAX6444US26L+T is a microprocessor supervisory circuit designed by Maxim Integrated to provide monitoring of power supply voltages in electronic systems. It is typically used to ensure that a microprocessor operates within safe voltage levels and can reset the processor if it detects an out-of-tolerance condition. The device integrates a precise voltage reference and comparator circuit to monitor a single power supply, and it features a reset output to signal when the power supply falls below a specified threshold.
Key features include a reset threshold of 2.6V, a low supply current, and a manual reset input. The reset output remains asserted as long as the input voltage is below the threshold, ensuring reliable operation during power-up, power-down, and brownout conditions. This device is commonly used in applications like embedded systems, computers, and other electronics that require reliable monitoring and control of power supply voltages to prevent damage and ensure proper operation. The "US" in the part number indicates the package type, while "+T" denotes that the components are supplied in tape-and-reel packaging for automated assembly.

Equivalent

The MAX6444US26L+T is a microprocessor supervisory circuit. Equivalent products are those with similar features such as voltage monitoring and reset capabilities. Some alternatives include:
1. Texas Instruments TPS3808G09 - Offers voltage monitoring and active-low reset output.
2. Microchip MCP130T-270I/TT - Provides voltage monitoring and reset functionality.
3. On Semiconductor CAT811TTBI-GT3 - A reset supervisory circuit with similar voltage threshold.
Check specific datasheets to ensure compatibility with your application.

Features

The MAX6444US26L+T is a microprocessor supervisory circuit designed to monitor system voltages and provide a reset output to ensure reliable operation. Key features include:
1. Voltage Monitoring: It has a precise 2.6V reset threshold, suitable for low-voltage applications.
2. Reset Output: Provides a push-pull, active-low reset output to microprocessors during power-up, power-down, and brownout conditions.
3. Reset Timeout: Features a fixed reset timeout period to ensure proper initialization.
4. Low Supply Current: Operates with minimal power consumption, enhancing battery life in portable devices.
5. Compact Package: Available in a small, space-saving SOT-23 package, beneficial for compact designs.
6. Temperature Range: Operates over an extended temperature range, making it suitable for various environmental conditions.
This device is ideal for ensuring system reliability by monitoring and controlling voltage levels in applications such as consumer electronics, industrial control systems, and embedded systems.

Pinout

The MAX6444US26L+T is a microprocessor reset IC with a specific pin count and function. It typically comes in a SOT-23 package, which usually has 5 pins. The primary function of this device is to monitor the supply voltage of microprocessor systems and provide a reset signal when the voltage falls below a specified threshold, in this case, 2.6V. This ensures that the microprocessor resets to prevent erroneous operations during power-up, power-down, or brownout conditions.
Key features include:
1. Pin Count: It usually features 5 pins.
2. Functionality: Provides a reset signal when the monitored voltage drops below the specified threshold.
3. Reset Threshold: 2.6V, indicated by "26" in the part number.
4. Output: Active-low reset output.
5. Package Type: SOT-23, compact and suitable for space-constrained applications.
This IC is commonly used in various electronic applications to enhance the reliability and stability of microprocessor operations.

Manufacturer

The MAX6444US26L+T is manufactured by Maxim Integrated, which is a company specializing in the design and production of analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated provides a wide range of semiconductor products that cater to various industries, including consumer electronics, automotive, industrial, communications, and healthcare. The company focuses on providing innovative solutions that enhance the performance and efficiency of electronic devices.
In 2021, Maxim Integrated was acquired by Analog Devices, Inc. (ADI), a leading global high-performance semiconductor company. ADI is known for its comprehensive portfolio of products and solutions in signal processing, power management, and other critical areas, serving a diverse customer base across multiple sectors. The acquisition has enabled ADI to expand its offerings and strengthen its position in the semiconductor industry, further supporting the development and integration of advanced technologies.

Application

The MAX6444US26L+T is a microprocessor supervisory circuit used primarily for monitoring system voltages and providing a reset signal when a fault is detected. Its application areas include:
1. Embedded Systems: Ensures microcontrollers operate within specified voltage limits.
2. Computers and Servers: Provides reliable reset signals to prevent system crashes.
3. Consumer Electronics: Maintains stability in devices like TVs and gaming consoles.
4. Industrial Equipment: Ensures robustness and reliability in harsh environments.
5. Telecommunications: Monitors power supplies for network equipment.
6. Automotive Electronics: Supports stable operation of onboard computers and sensors.
These applications benefit from its low power consumption, precision monitoring, and reliability.

Package

The MAX6444US26L+T is a microprocessor supervisory circuit packaged in a SOT-143 (Small Outline Transistor) package. This package type is characterized by its small size, making it suitable for space-constrained applications.

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