MAX6444US26L+T

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MAX6444US26L+T

IC SUPERVISOR 1 CHANNEL SOT143-4

  • Fabricant
  • Mfr. Partie #MAX6444US26L+T
  • Paquet SOT-143-4
  • Fiche de données
  • En stock4822

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Spécifications

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

Vue d'ensemble

Description

The MAX6444US26L+T is a voltage monitoring IC designed by Maxim Integrated for applications requiring precise power supply monitoring. It features a fixed threshold voltage of 2.6V and operates with low power consumption, making it suitable for battery-powered devices. The chip monitors the voltage level of a power supply and asserts a reset signal when the voltage falls below the specified threshold, ensuring reliable operation of microcontrollers and other digital circuits by preventing erroneous behavior during power fluctuations.
This device comes in a compact SOT-23 package, which is space-efficient and ideal for compact circuit designs. It also includes built-in hysteresis to prevent false resets due to transient voltage changes, enhancing its reliability. The MAX6444US26L+T is typically utilized in consumer electronics, automotive systems, and telecommunications equipment, where maintaining proper voltage levels is critical for performance and safety.

Features

The MAX6444US26L+T is a microprocessor supervisory circuit designed to monitor the power supply in microprocessor systems. It offers the following key features:
1. Voltage Monitoring: The device monitors the system's supply voltage to ensure it remains within specified thresholds, providing reliable power supervision.
2. Reset Output: It generates a reset signal whenever the monitored voltage falls below a predefined level, ensuring proper microprocessor initialization upon power-up.
3. Resistor-Programmable Reset Timeout: This feature allows customization of the reset delay period to suit specific application needs.
4. Low Power Consumption: The circuit is designed for minimal power draw, making it suitable for battery-operated devices.
5. Manual Reset Input: It includes an input pin for manual reset functionality, offering additional control for system reboots.
6. Precision Threshold: The device offers accurate voltage threshold detection, enhancing system reliability.
7. Package Type: It is available in a compact SOT-23 package, facilitating space-constrained applications.
These features make the MAX6444US26L+T ideal for safeguarding microprocessor operations in various electronic applications by ensuring stable power supply monitoring and reset capabilities.

Package

The MAX6444US26L+T is a microprocessor supervisory circuit in a SOT-23-3 package. This type of package is compact and often used for surface-mount applications, making it suitable for space-constrained designs.

Pinout

The MAX6444US26L+T is a part of the MAX6443–MAX6452 family, which are microprocessor reset circuits. This specific device comes in a 5-pin SOT-23 package. Its primary function is to monitor the power supply voltage of microprocessor-based systems. When the monitored voltage drops below a specified threshold, the device asserts a reset signal to the microprocessor to prevent operation errors, ensuring system reliability. The reset signal remains asserted for a preset timeout period after the voltage returns to an acceptable level. The MAX6444US26L+T typically provides a fixed reset threshold voltage and uses a push-pull output for the reset signal.

Manufacturer

The MAX6444US26L+T is manufactured by Analog Devices, Inc. This company is a multinational semiconductor firm that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are used in a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its strong focus on innovation and technology development, offering solutions that enhance the performance and functionality of electronic devices.

Application

The MAX6444US26L+T is a microprocessor supervisory circuit designed for monitoring power supplies and microprocessor activity. Its primary application areas include ensuring system reliability by monitoring power supply voltage levels and generating reset signals. It is commonly used in consumer electronics, industrial automation, computing, and communication systems to prevent malfunction by initiating corrective actions during undervoltage conditions, ensuring proper system startup and shutdown.

Equivalent

The MAX6444US26L+T is a microprocessor supervisory circuit, specifically a voltage detector with a reset function. Equivalent products are those with similar voltage thresholds, reset delays, and output types. Possible alternatives include:
1. ADM809TARTZ - from Analog Devices.
2. MCP130T-26 - from Microchip Technology.
3. STM1001MWX6F - from STMicroelectronics.
Ensure to compare the specific voltage threshold and package type to confirm compatibility.

Expédition

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UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

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