MAX6804US31D2+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector
• Characteristics: Low-power, high-accuracy, small form factor
• Package: SOT-23-5
• Essence: Monolithic CMOS voltage detector
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 3.08V, 3.13V, 3.18V, 3.23V, 3.28V, 3.33V, 3.38V, 3.43V, 3.48V, 3.53V, 3.58V, 3.63V, 3.68V, 3.73V, 3.78V, 3.83V
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6804US31D2+T has a total of five pins:

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

Functional Features

• Monitors the supply voltage and asserts the reset signal when it falls below the threshold voltage.
• Provides a manual reset option for system initialization.
• Low quiescent current makes it suitable for battery-powered applications.
• Wide operating temperature range allows usage in various environments.
• Small form factor enables space-constrained designs.

Advantages and Disadvantages

Advantages: - High accuracy in detecting voltage levels. - Low power consumption. - Compact size for easy integration into designs. - Wide range of threshold voltage options.

Disadvantages: - Limited number of threshold voltage options available. - Lack of additional features like hysteresis adjustment.

Working Principles

The MAX6804US31D2+T is a monolithic CMOS voltage detector. It continuously monitors the supply voltage and compares it to the selected threshold voltage. When the supply voltage drops below the threshold, the reset output is asserted low, indicating a power failure or an out-of-range condition. The manual reset input allows the system to be initialized externally. The IC operates with low quiescent current, making it suitable for battery-powered applications.

Detailed Application Field Plans

The MAX6804US31D2+T finds applications in various fields, including:

1. Battery-Powered Devices: Used to monitor battery voltage and trigger actions when it falls below a certain level.
2. Industrial Control Systems: Ensures proper functioning by detecting power failures and initiating appropriate actions.
3. Automotive Electronics: Provides voltage monitoring for critical systems, such as engine control units and safety modules.
4. Consumer Electronics: Used in devices like smartphones, tablets, and wearables to protect against undervoltage conditions.
5. Medical Equipment: Monitors power supply integrity in medical devices to ensure patient safety.

Detailed and Complete Alternative Models

1. MAX6805US31D2+T: Similar to MAX6804US31D2+T but with different threshold voltage options.
2. MAX6806US31D2+T: Voltage detector with adjustable hysteresis feature.
3. MAX6807US31D2+T: Higher accuracy voltage detector with lower quiescent current.
4. MAX6808US31D2+T: Voltage detector with extended operating temperature range.

These alternative models offer similar functionality with slight variations in features and specifications.

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