MAX6837HXSD2+T

Product Overview

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

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed 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 pin
6. NC: No connection

Functional Features

• Monitors the supply voltage and asserts a reset signal when it falls below the threshold voltage.
• Provides an adjustable reset timeout period to ensure proper system initialization.
• Includes a manual reset input for external reset control.
• Low quiescent current consumption for power-sensitive applications.

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Accurate voltage monitoring ensures reliable operation.
• Adjustable reset timeout period accommodates different system initialization requirements.
• Small package size enables space-constrained designs.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited number of threshold voltage options may not suit all applications.
• Lack of additional features such as watchdog timer or power-on reset.

Working Principles

The MAX6837HXSD2+T is a voltage supervisor IC that continuously monitors the supply voltage. It compares the voltage level with the selected threshold voltage and generates a reset signal when the voltage falls below the threshold. The reset signal remains active until the supply voltage rises above the threshold and the adjustable timeout period elapses.

The manual reset input allows an external signal to assert a reset, overriding the voltage monitoring. The IC operates with low power consumption, making it suitable for battery-powered applications.

Detailed Application Field Plans

• Battery-powered devices: Maximizing battery life by ensuring proper system initialization and preventing operation at low voltages.
• Industrial control systems: Providing reliable reset signals to ensure stable operation in harsh environments.
• Automotive electronics: Monitoring critical voltage levels to prevent malfunctions and ensure safe operation.
• Consumer electronics: Enabling proper initialization of microcontrollers and other integrated circuits for reliable performance.

Detailed and Complete Alternative Models

1. MAX6836: Similar voltage supervisor IC with different package options.
2. MAX6389: Voltage supervisor IC with additional features like watchdog timer and power-on reset.
3. MAX811: Low-power microprocessor reset circuit with adjustable reset timeout.

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