MAX6837GXSD1+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Supervisor
• Characteristics: High accuracy, low power consumption, small package size
• Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Power supply monitoring and reset generation
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6837GXSD1+T IC has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. RESET#: Active-low Reset output
4. VCC: Positive power supply voltage
5. TH: Threshold voltage selection input
6. TO: Timeout period selection input
7. NC: No connect
8. GND: Ground connection

Functional Features

• Monitors the power supply voltage and generates a reset signal when it falls below the selected threshold voltage.
• Provides manual reset capability through the MR pin.
• Offers selectable threshold voltage and timeout period options for flexibility in different applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - High accuracy in power supply monitoring. - Low power consumption. - Small package size allows for space-saving designs. - Manual reset capability provides additional control.

Disadvantages: - Limited threshold voltage and timeout period options. - May not be suitable for applications requiring higher voltage ranges.

Working Principles

The MAX6837GXSD1+T is designed to monitor the power supply voltage in electronic systems. It compares the supply 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 supply voltage rises above the threshold or a timeout period elapses, depending on the selected options.

The IC also includes a manual reset input (MR) that allows the system to be reset externally. This feature provides flexibility in controlling the reset operation.

Detailed Application Field Plans

The MAX6837GXSD1+T is commonly used in various electronic systems where reliable power supply monitoring and reset generation are crucial. Some specific application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation equipment
4. Communication devices
5. Automotive electronics
6. Medical devices
7. Consumer electronics

Detailed and Complete Alternative Models

1. MAX6836: Similar power supply supervisor IC with different package options.
2. MAX6818: Power supply supervisor with additional features like watchdog timer and battery backup switchover.
3. MAX809: Low-power microprocessor reset circuit with adjustable threshold voltage.

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

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