MAX6400BS30+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, low-voltage operation, small package size
• Package: SOT23-5
• Essence: Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V
• Quiescent Current: 1.5µA (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6400BS30+T has a total of five pins:

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

Functional Features

• Monitors the voltage level of a power supply and asserts the reset output when the voltage drops below the selected threshold.
• Provides a manual reset option through the MR pin.
• Offers multiple threshold voltage options for flexibility in different applications.
• Low quiescent current consumption makes it suitable for battery-powered devices.
• Small package size allows for space-constrained designs.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - Multiple threshold voltage options cater to different voltage monitoring requirements. - Low quiescent current consumption prolongs battery life in portable devices. - Small package size facilitates compact designs.

Disadvantages: - Limited number of threshold voltage options may not cover all possible voltage monitoring scenarios. - Lack of adjustable timeout period restricts customization for specific applications.

Working Principles

The MAX6400BS30+T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is asserted low. The reset remains active until the supply voltage rises above the threshold and a timeout period elapses. The manual reset input (MR) allows for immediate assertion or deassertion of the reset signal.

Detailed Application Field Plans

The MAX6400BS30+T finds applications in various fields, including:

1. Battery-Powered Devices: Monitors battery voltage to prevent damage due to undervoltage conditions.
2. Microcontroller Systems: Provides a reliable reset signal during power-up and brownout events.
3. Industrial Control Systems: Ensures proper operation by monitoring power supply integrity.
4. Automotive Electronics: Protects sensitive components from voltage fluctuations and resets the system if necessary.
5. Home Automation: Enhances the stability and reliability of smart home devices by monitoring power supply voltage.

Detailed and Complete Alternative Models

1. MAX6401BS30+T: Similar to MAX6400BS30+T but with different threshold voltage options.
2. MAX6402BS30+T: Voltage monitor and reset circuit with adjustable timeout period.
3. MAX6403BS30+T: Integrated circuit with additional features such as power-on reset delay and watchdog timer.

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