MAX6805US26D3+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX6805US26D3+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring and reset functionality
• Low power consumption
• Wide operating voltage range
• Small package size
• High accuracy

Package

MAX6805US26D3+ is available in a small surface mount SOT23-6 package.

Essence

The essence of MAX6805US26D3+ lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Operating Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 2.63V
• Reset Timeout Period: 140ms
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MAX6805US26D3+ has a total of six pins:

1. GND: Ground pin
2. MR: Manual reset input pin
3. VCC: Power supply pin
4. RESET: Reset output pin
5. TH: Threshold voltage setting pin
6. TR: Reset timeout period setting pin

Functional Features

• Voltage Monitoring: MAX6805US26D3+ continuously monitors the input voltage and compares it with the threshold voltage.
• Reset Signal Generation: When the input voltage falls below the threshold voltage, the device generates a reset signal on the RESET pin.
• Manual Reset: The MR pin allows for manual reset, overriding the automatic reset functionality.
• Timeout Period: The reset signal remains active for a specific timeout period, ensuring proper device initialization.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Low power consumption
• Wide operating voltage range allows for versatile applications
• Small package size enables space-saving designs

Disadvantages

• Limited number of pins may restrict additional functionalities
• Reset timeout period is fixed and cannot be adjusted

Working Principles

MAX6805US26D3+ operates by continuously monitoring the input voltage using an internal voltage comparator. When the voltage falls below the threshold level, the device generates a reset signal. This signal remains active for a specific timeout period, allowing the device to properly initialize before resuming normal operation.

Detailed Application Field Plans

MAX6805US26D3+ finds applications in various electronic devices where voltage monitoring and reset functions are critical. Some potential application fields include:

1. Microcontrollers: Ensuring reliable startup and proper functioning of microcontroller-based systems.
2. Embedded Systems: Providing a reset signal to ensure correct initialization of embedded systems.
3. Power Management: Monitoring voltage levels in power management circuits to prevent damage due to undervoltage conditions.
4. Battery-Powered Devices: Protecting battery-powered devices from excessive discharge by generating a reset signal when the battery voltage drops below a certain level.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MAX6805US26D3+ are:

1. MAX6816EUS29D3+: Offers adjustable reset threshold voltage and timeout period.
2. MAX809SEUR-T: Provides a push-pull output instead of an open-drain output.
3. MCP101T-195I/OT: Features a wider operating temperature range (-55°C to +125°C).

These alternative models can be considered based on specific requirements and design constraints.

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