MAX6443US26L+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, small package size
• Package: SOT23-6
• Essence: Provides accurate monitoring and reset functionality for various electronic systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 3.30V, 4.38V
• Reset Timeout Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6443US26L+T has a total of six pins arranged as follows:

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

Functional Features

• Accurate voltage monitoring: The MAX6443US26L+T provides precise monitoring of the supply voltage, ensuring reliable operation of the system.
• Reset functionality: It generates an active-low reset signal when the monitored voltage falls below the selected threshold, allowing the system to be properly reset.
• Manual reset option: The MR pin allows for manual reset control, enabling users to manually trigger a system reset if required.
• Adjustable threshold and timeout: The TH and TO pins allow users to select the desired threshold voltage and reset timeout options, providing flexibility for different applications.

Advantages and Disadvantages

Advantages

• Low-power consumption: The MAX6443US26L+T operates with low power, making it suitable for battery-powered applications.
• Small package size: The SOT23-6 package offers a compact form factor, saving board space in space-constrained designs.
• Wide supply voltage range: It can operate within a wide voltage range, accommodating various system requirements.

Disadvantages

• Limited threshold voltage options: The available threshold voltage options may not cover all specific voltage monitoring needs.
• Fixed reset timeout options: The reset timeout options are predetermined and cannot be adjusted to custom values.

Working Principles

The MAX6443US26L+T works by continuously monitoring the supply voltage. When the voltage falls below the selected threshold, the reset output is activated, signaling a system reset. The manual reset input allows users to manually trigger a reset if needed. The threshold and timeout pins provide flexibility in setting the desired voltage threshold and reset timeout values.

Detailed Application Field Plans

The MAX6443US26L+T finds applications in various electronic systems where accurate voltage monitoring and reliable reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Battery-powered devices
5. Industrial control systems

Detailed and Complete Alternative Models

• MAX6444US26L+T
• MAX6445US26L+T
• MAX6446US26L+T
• MAX6447US26L+T
• MAX6448US26L+T

These alternative models offer similar voltage monitoring and reset circuit functionalities, but may have different package options or additional features based on specific application requirements.

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