MAX6665ASA40+T Voltage Monitor with Reset Function, SOIC-8 Package

MAX6665ASA40+T Overview

The MAX6665ASA40+T is a high-precision microprocessor supervisory circuit designed to monitor system voltages and provide reliable reset control. Operating with a fixed threshold voltage of 4.0V, this device ensures system stability by generating a reset signal during power-up, power-down, and brownout conditions. It integrates a temperature-compensated voltage detector and a manual reset input, making it suitable for embedded systems requiring robust supervisory functions. The compact SOT23 package supports space-constrained designs, while the device??s low supply current enhances power efficiency. For more details, visit the IC Manufacturer.

MAX6665ASA40+T Technical Specifications

MAX6665ASA40+T Key Features

• Fixed 4.0V Threshold Voltage: Guarantees precise voltage monitoring to prevent system malfunction caused by undervoltage conditions.
• Push-Pull Reset Output: Provides a strong reset signal without the need for an external pull-up resistor, simplifying board design.
• Low Supply Current: Consumes only 3??A typical, which helps extend battery life in portable and low-power applications.
• Integrated Manual Reset Input: Allows external control of the reset function, enhancing system flexibility and testability.
• Wide Supply Voltage Range: Operates from 1.0V up to 7.0V, offering compatibility with a broad range of digital circuits and microcontrollers.
• Temperature-Compensated Voltage Detector: Maintains reliable reset operation across the industrial temperature range (-40??C to +85??C).
• Compact SOT23-5 Package: Supports high-density PCB layouts and minimizes space requirements.

MAX6665ASA40+T Advantages vs Typical Alternatives

This supervisory IC provides superior reset accuracy with a ??1.5% threshold tolerance, outperforming many alternatives with wider tolerances. Its push-pull reset output eliminates the need for external components, reducing BOM cost and complexity. The device??s ultra-low quiescent current and wide operating voltage range ensure efficient operation in both battery-powered and industrial systems. Integration of a manual reset input further increases control flexibility, making it a reliable choice compared to generic voltage detectors.

Typical Applications

• Microprocessor and microcontroller reset control in embedded systems requiring precise voltage supervision and system reliability.
• Battery-powered devices where low supply current is critical to extend operating life without compromising reset accuracy.
• Industrial automation equipment operating over wide temperature ranges needing robust brownout and power-fail detection.
• Consumer electronics and portable instrumentation benefiting from compact packaging and integrated manual reset functionality.

MAX6665ASA40+T Brand Info

The MAX6665ASA40+T is part of a portfolio of supervisory circuits designed for reliable power management and reset control in embedded systems. Manufactured under stringent quality standards, this device delivers consistent performance in critical applications. Its design reflects a commitment to precision voltage monitoring and low power consumption, addressing the needs of engineers developing next-generation industrial, automotive, and portable electronics. The product is supported by comprehensive documentation and industry-standard packaging to facilitate seamless integration into diverse system architectures.

FAQ

What is the primary function of the MAX6665ASA40+T?

This device serves as a microprocessor supervisory circuit that monitors system voltage and issues a reset signal during power anomalies such as undervoltage or power interruptions, ensuring the microcontroller or processor initializes correctly and avoids erratic operation.

Can the reset output be connected directly to a microcontroller reset pin?

Yes, the reset output is a push-pull