MAX6834VXRD0+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy voltage monitoring
• Package: 6-pin SOT23
• Essence: Provides reset output during power-up, power-down, and brownout conditions
• Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 3.30V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6834VXRD0+T has the following pin configuration:

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

Functional Features

• Monitors the supply voltage and provides a reset signal when it falls below the threshold voltage.
• Offers selectable threshold voltage options for flexibility in different applications.
• Allows manual reset capability through the MR pin.
• Provides a reset timeout period option to avoid false resets during power fluctuations.

Advantages and Disadvantages

Advantages: - Low-power consumption - High accuracy in voltage monitoring - Small package size for space-constrained designs - Wide operating temperature range

Disadvantages: - Limited number of threshold voltage and reset timeout period options - Not suitable for high-voltage applications

Working Principles

The MAX6834VXRD0+T is a voltage supervisor IC that continuously monitors the supply voltage. It compares the voltage with the selected threshold voltage and generates a reset signal when the voltage falls below this threshold. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin.

The IC also includes a reset timeout feature to prevent false resets during power fluctuations. If the supply voltage remains below the threshold for a specified period, the reset signal is automatically released.

Detailed Application Field Plans

The MAX6834VXRD0+T is commonly used in various applications where reliable voltage monitoring is crucial. Some of the typical application fields include:

1. Microcontrollers: Ensuring proper initialization and safe operation of microcontroller-based systems.
2. Power Management: Protecting sensitive electronic components from voltage fluctuations and brownout conditions.
3. Industrial Control Systems: Monitoring power supply integrity in industrial automation and control systems.
4. Automotive Electronics: Providing voltage supervision in automotive applications to prevent system failures.

Detailed and Complete Alternative Models

1. MAX6835VXRD0+T: Similar to MAX6834VXRD0+T but with additional features such as adjustable reset timeout period.
2. MAX6836VXRD0+T: Higher voltage range and extended temperature range compared to MAX6834VXRD0+T.
3. MAX6837VXRD0+T: Provides dual voltage monitoring channels for increased redundancy in critical applications.

These alternative models offer similar functionality to the MAX6834VXRD0+T but may have additional features or specifications tailored to specific requirements.

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