MAX6443US46L+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Adjustable Thresholds
• Package: SOT23-6
• Essence: MAX6443US46L+T is a voltage supervisor integrated circuit designed to monitor the power supply voltage of electronic systems and provide reset signals when necessary.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Reset Threshold Options: 4.63V, 4.38V, 4.25V, 4.00V, 2.93V, 2.63V, 2.32V, 2.00V (±1% accuracy)
• Reset Timeout Period: 140ms, 560ms, 1120ms, 2240ms (±15% accuracy)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The MAX6443US46L+T has a SOT23-6 package with the following pin configuration:

____ VCC| |GND RST| |MR GND| |RST ----

• VCC: Positive power supply input
• GND: Ground reference
• RST: Reset output signal
• MR: Manual reset input

Functional Features

• Monitors the power supply voltage and generates a reset signal when the voltage falls below the programmed threshold.
• Adjustable reset threshold options allow customization for different system requirements.
• Provides a manual reset input for external control of the reset signal.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Adjustable threshold options offer flexibility in voltage monitoring. - Low power consumption helps conserve energy. - Small package size enables space-saving designs.

Disadvantages: - Limited reset timeout period options may not suit all applications. - SOT23-6 package may require additional handling precautions during assembly.

Working Principles

The MAX6443US46L+T operates by continuously monitoring the power supply voltage. When the voltage falls below the programmed threshold, the integrated circuit generates a reset signal. This signal can be used to initiate system resets or perform other necessary actions. The manual reset input allows external control over the reset signal, providing flexibility in system operation.

Detailed Application Field Plans

The MAX6443US46L+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are essential. Some application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Industrial Control Systems: Providing reliable reset signals to maintain system integrity and prevent malfunctioning.
3. Automotive Electronics: Monitoring critical voltage levels to protect sensitive components and ensure safe operation.
4. Battery-Powered Devices: Preventing excessive discharge and protecting battery life by initiating shutdown or standby modes when voltage drops below a certain level.

Detailed and Complete Alternative Models

1. MAX6443US46L+T: The base model with adjustable reset thresholds and a 140ms reset timeout period.
2. MAX6443US46L+T-T: Similar to the base model but with a longer 560ms reset timeout period.
3. MAX6443US46L+T-H: Higher accuracy version with ±0.5% threshold accuracy.
4. MAX6443US46L+T-L: Lower quiescent current version with 0.5µA typical current consumption.

These alternative models provide options for different system requirements and offer variations in reset timeout periods, accuracy, and power consumption.

Word count: 536 words