MAX6417UK+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a certain threshold.
  • Provides a reliable way to ensure proper operation of electronic devices by resetting them in case of power supply issues.
• Package: SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.38V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6417UK+T has a total of 5 pins arranged as follows:

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Pin Configuration: 1. GND: Ground connection. 2. MR: Manual Reset input pin. 3. RESET: Active-low reset output. 4. VCC: Power supply input. 5. TH: Threshold voltage selection pin.

Functional Features

• Voltage Monitoring: The MAX6417UK+T continuously monitors the voltage level at the VCC pin.
• Reset Generation: When the voltage falls below the selected threshold, the device generates an active-low reset signal on the RESET pin.
• Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset generation.
• Adjustable Timeout Period: The reset timeout period can be adjusted using external capacitors connected to the TH pin.
• Low Power Consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-efficient integration into electronic devices. - Wide supply voltage range enables compatibility with various power sources. - Adjustable reset timeout period provides flexibility in different application scenarios. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited threshold voltage options may not cover all voltage monitoring requirements. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The MAX6417UK+T utilizes a voltage comparator to continuously monitor the voltage level at the VCC pin. When the voltage falls below the selected threshold voltage, the comparator triggers the generation of an active-low reset signal on the RESET pin. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin. The timeout period for the reset signal can be adjusted using external capacitors connected to the TH pin.

Detailed Application Field Plans

The MAX6417UK+T finds applications in various fields where reliable voltage monitoring and reset functionality are required. Some potential application areas include: - Microcontrollers and Microprocessors: Ensuring proper operation by resetting them in case of power supply issues. - Communication Systems: Resetting network equipment during power fluctuations to maintain stable connectivity. - Industrial Control Systems: Monitoring power supplies in critical machinery and triggering resets to prevent damage or data loss. - Automotive Electronics: Providing voltage monitoring and reset capabilities in automotive control units to enhance system reliability.

Detailed and Complete Alternative Models

• MAX6418UK+T: Similar to MAX6417UK+T but with additional features like adjustable reset timeout period and manual reset disable option.
• MAX6419UK+T: Voltage monitor and reset circuit with a wider range of threshold voltage options and adjustable reset timeout period.
• MAX6420UK+T: Integrated circuit with voltage monitoring, reset generation, and power supply sequencing capabilities.

Note: The above alternative models are suggestions and may not cover all available options in the market. It is recommended to refer to the manufacturer's documentation for a comprehensive list of alternative models.

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