MAX6832VXRD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: High accuracy, low power consumption, small package size
• Package: 6-pin SOT23
• Essence: Monitors voltage levels and provides reset signals to microprocessors and other digital systems
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Reset Threshold Voltage Options: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6832VXRD3+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 asserts a reset signal when it falls below the selected threshold voltage.
• Provides a manual reset input for external system control.
• Allows selection of different threshold voltages and reset timeout periods through dedicated pins.
• Low quiescent current consumption, making it suitable for battery-powered applications.
• Small package size enables space-constrained designs.

Advantages

• High accuracy in monitoring voltage levels ensures reliable system operation.
• Wide supply voltage range allows compatibility with various power sources.
• Flexible threshold voltage and reset timeout period options cater to different system requirements.
• Low power consumption extends battery life in portable devices.
• Small package size saves board space and simplifies layout.

Disadvantages

• Limited number of threshold voltage and reset timeout period options may not cover all possible scenarios.
• Lack of built-in hysteresis may result in potential noise-induced false triggering.

Working Principles

The MAX6832VXRD3+T operates by continuously monitoring the supply voltage connected to its VCC pin. When the voltage falls below the selected threshold voltage, the device asserts a low signal on the RESET pin, indicating a reset condition. The reset signal remains active until the supply voltage rises above the threshold voltage and the reset timeout period elapses.

The manual reset input (MR) allows an external system to assert a reset signal, overriding the voltage monitoring function. This feature enables system control during specific events or conditions.

Detailed Application Field Plans

The MAX6832VXRD3+T finds applications in various fields, including:

1. Embedded Systems: Provides reliable reset signals to microcontrollers, ensuring proper initialization and system stability.
2. Industrial Automation: Monitors power supply voltages in control systems, preventing erratic behavior due to voltage fluctuations.
3. Automotive Electronics: Ensures safe operation of critical systems by resetting microprocessors in case of voltage drops or disturbances.
4. Consumer Electronics: Protects sensitive digital circuits from voltage-related issues, enhancing overall system reliability.
5. Medical Devices: Guarantees proper functioning of medical equipment by monitoring power supply integrity and initiating resets if necessary.

Detailed and Complete Alternative Models

1. MAX6831VXRD3+T: Similar to MAX6832VXRD3+T but with different reset timeout period options.
2. MAX6833VXRD3+T: Similar to MAX6832VXRD3+T but with additional features like adjustable reset thresholds and watchdog timer.
3. MAX6834VXRD3+T: Similar to MAX6832VXRD3+T but with higher supply voltage range and extended temperature range.

These alternative models offer similar functionality with slight variations to cater to specific application requirements.

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