MAX6749KA

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MAX6749KA

IC SUPERVISOR UP RESET CIRCUIT

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배송 준비 24 시간

365 일 보장

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사양

Part Status Active
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold Adjustable/Selectable
Output Open Drain or Open Collector
Reset Active Low
Reset Timeout 5.692ms Minimum
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case SOT-23-8
Supplier Device Package SOT-23-8
Base Product Number MAX6749

개요

Description

The MAX6749KA is a precision voltage supervisor designed for monitoring power supply voltages in microcontrollers, FPGAs, and other digital circuits. It features a factory-trimmed voltage threshold, which allows it to detect when the supply voltage falls below a predetermined value, ensuring system reliability and preventing improper operation. The device includes an open-drain output that can be configured to assert a reset signal when the monitored voltage is below the threshold, providing a reliable means to reset a system.
Key features of the MAX6749KA include low power consumption, fast response time, and a wide operating voltage range. It can accommodate various voltage levels, making it versatile for different applications. The device is available in multiple package options, including compact surface mount formats, facilitating its integration into space-constrained designs.
Overall, the MAX6749KA is essential for safeguarding electronic systems against voltage anomalies and ensuring proper functioning during power fluctuations.

Features

The MAX6749KA is a high-accuracy voltage reference and supervisor IC designed for use in various electronic applications. Its key features include:
1. Precision Voltage Reference: Offers a stable output voltage with low temperature coefficient and excellent load/line regulation.
2. Voltage Supervision: Monitors system voltage, providing resets or warnings when voltage levels are outside predefined thresholds.
3. Adjustable Reset Thresholds: Allows customization of reset voltage levels, accommodating different applications.
4. Low Power Consumption: Operates efficiently, making it suitable for battery-powered devices.
5. Wide Operating Voltage Range: Supports a broad input voltage range, enhancing versatility in various designs.
6. Fast Reset Response: Ensures quick response to voltage drops, aiding in reliable system operation.
7. Compact Package: Available in small packages, ideal for space-constrained designs.
Overall, the MAX6749KA combines precision voltage monitoring and reference capabilities in a compact, power-efficient solution, suitable for microcontroller-based applications and other electronic circuits.

Package

The MAX6749KA is packaged in a 5-pin SOT23 surface-mount package.

Pinout

The MAX6749KA is an adjustable voltage monitor with a pin count of 8. Its primary functions include monitoring voltage levels and signaling when the monitored voltage falls below a predetermined threshold. The device features an open-drain output that can be interfaced with various systems for alerting or shutdown purposes.
The pins of the MAX6749KA are as follows:
1. GND - Ground reference.
2. VOUT - Output voltage.
3. VTH - Threshold voltage set.
4. SENSE - Monitors the voltage of the target circuit.
5. GND (again) - Ground reference.
6. NMI - Non-maskable interrupt output (active low).
7. RESET - Reset output (active low).
8. VDD - Supply voltage.
This configuration allows for effective voltage monitoring and control in various applications, enhancing system reliability.

Manufacturer

The MAX6749KA is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company serves a wide range of industries, including communications, automotive, healthcare, and industrial applications. They are known for their innovative solutions in signal processing and data conversion, providing essential components that enable the functioning of various electronic devices and systems.

Application

The MAX6749KA is a precision voltage supervisor designed for monitoring power supply voltages in applications such as battery management systems, consumer electronics, automotive systems, and industrial equipment. It helps prevent system failures by ensuring proper voltage levels, enabling safe operation during power-up, and providing reset functions for microcontrollers and other digital devices. Its features make it suitable for critical applications requiring reliable voltage oversight and low power consumption.

Equivalent

The MAX6749KA is a voltage supervisor with a fixed threshold. Equivalent products include the MCP100, TPS3808, and LM393. These alternatives provide similar voltage monitoring and reset functionalities, but ensure to compare specific features like voltage threshold, reset timeout, and package type for compatibility in your application.

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