MAX6749KA

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IC SUPERVISOR UP RESET CIRCUIT

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #MAX6749KA

  • Ficha Técnica MAX6749KA DataSheet

  • Em Estoque3423

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Especificações

Atributo Valor
PartStatus Active
DigiKeyProgrammable Not Verified
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold Adjustable/Selectable
Output Open Drain or Open Collector
Reset Active Low
ResetTimeout 5.692ms Minimum
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case SOT-23-8
SupplierDevicePackage SOT-23-8
BaseProductNumber MAX6749

Visão Geral

Description

The MAX6749KA is a high-accuracy voltage reference designed for precision applications. It features an adjustable output voltage ranging from 1.24V to 5.5V, allowing flexibility in various circuit designs. With a low temperature coefficient and excellent line and load regulation, it ensures stable performance over varying conditions.
The device operates with a supply voltage of 2.5V to 6V and draws minimal current, making it suitable for battery-powered applications. It also incorporates built-in protection features against overvoltage and overcurrent, enhancing reliability.
Configured in a compact package, the MAX6749KA is ideal for use in automotive, industrial, and consumer electronics, where accuracy and stability are crucial. Additionally, its low noise characteristics make it appropriate for sensitive analog circuits. Overall, the MAX6749KA stands out for its precision, efficiency, and robustness in demanding environments.

Equivalent

The MAX6749KA is a voltage supervisor with a specific reset threshold and delay. Equivalent products include the MCP100, TPS3731, and MAX8218, which offer similar functionality. For precise alternatives, consider parameters like voltage thresholds, reset timeout, and package type to ensure compatibility. Always consult the datasheets for specific applications and requirements.

Features

The MAX6749KA is a voltage supervisor designed to monitor power supply voltages and ensure reliable operation in electronic circuits. Key features include:
1. Voltage Monitoring: It can monitor up to 6 voltage levels, with adjustable threshold settings for various applications.
2. Reset Function: Provides a delayed reset signal to prevent false triggering during power-up or transient conditions.
3. Low Power Consumption: Operates with minimal power, making it suitable for battery-powered devices.
4. Wide Operating Voltage Range: Supports a broad range of supply voltages, enhancing flexibility in design.
5. Compact Package: Available in a small footprint, facilitating space-constrained applications.
6. Temperature Range: Functional over an extended temperature range, suitable for industrial and automotive applications.
7. Assert/Deassert Timing Control: Configurable timing for reset assertion and deassertion.
These features make the MAX6749KA ideal for applications requiring reliable voltage supervision and reset functionality, such as microcontrollers and memory systems.

Pinout

The MAX6749KA is a voltage supervisor with a pin count of 8 pins. Its primary functions include monitoring power supply voltages and providing reset signals to microcontrollers or other digital systems.
The key pins and their functions are as follows:
1. VDD (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. RESET (Pin 3): Active-low reset output.
4. RESET (Pin 4): Active-low reset output.
5. SENSE (Pin 5): Monitors the input voltage.
6. NC (Pin 6): No connection pin.
7. SET (Pin 7): Sets the reset threshold voltage.
8. OUT (Pin 8): Reset output.
The device is typically used in applications requiring power-on reset and reset generation during undervoltage conditions.

Manufacturer

The MAX6749KA is manufactured by Maxim Integrated, which is a company known for designing and manufacturing a wide range of analog and mixed-signal integrated circuits (ICs). Founded in 1983 and headquartered in San Jose, California, Maxim Integrated focuses on providing solutions for various applications, including power management, signal processing, and sensors, among others.
In 2020, Maxim Integrated was acquired by Analog Devices, Inc. (ADI), a leading global high-performance analog technology company. This acquisition has expanded ADI's portfolio and capabilities in mixed-signal and analog ICs, allowing them to serve a diverse range of industries, including automotive, communications, consumer electronics, healthcare, industrial, and more.
The MAX6749KA is specifically an adjustable voltage reference with a wide range of applications in electronic circuits, providing precision voltage references for various devices and systems. Overall, Maxim Integrated is recognized for its innovation and quality in the semiconductor industry, contributing significantly to advancements in electronics.

Application

The MAX6749KA is a voltage supervisor designed for applications requiring precise voltage monitoring and reset functionality. Key application areas include:
1. Microcontroller/Processor Reset: Ensures proper reset signals when supply voltages drop below specified levels.
2. Power Supply Monitoring: Monitors voltage levels in power supply circuits to prevent malfunction.
3. Consumer Electronics: Used in devices like smartphones and tablets for reliable operation.
4. Automotive Systems: Provides voltage supervision in automotive electronics for safety and reliability.
5. Industrial Equipment: Essential for maintaining system integrity in industrial control systems.
Overall, it enhances system reliability across various electronic applications.

Package

The MAX6749KA is available in a 5-pin SC70 package. This compact packaging is suitable for space-constrained applications, offering a small footprint while providing essential functionality.

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