MAX6423US50+T

Product Overview

Category

The MAX6423US50+T belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic systems.

Characteristics

• Voltage supervision range: 5V
• Low quiescent current: 10µA (typical)
• Adjustable reset threshold voltage
• Active-low push-pull reset output
• Small package size: SOT23-5
• RoHS compliant

Package

The MAX6423US50+T comes in a small SOT23-5 package, which is suitable for space-constrained applications.

Essence

The essence of the MAX6423US50+T is its ability to monitor and control voltage levels, ensuring stable operation of electronic systems.

Packaging/Quantity

The MAX6423US50+T is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Range: 1.575V to VCC - 0.2V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The MAX6423US50+T has the following pin configuration:

1. GND: Ground connection
2. RESET: Active-low push-pull reset output
3. MR: Manual reset input
4. VCC: Supply voltage input
5. TH: Threshold adjust pin

Functional Features

• Voltage monitoring: The MAX6423US50+T continuously monitors the supply voltage and provides a reset signal when it falls below the set threshold.
• Adjustable threshold: The threshold voltage can be adjusted using the TH pin, allowing flexibility in setting the desired voltage level for triggering the reset signal.
• Manual reset: The MR pin allows for a manual reset input, enabling external control over the reset function.
• Push-pull output: The RESET pin provides an active-low push-pull reset output, ensuring compatibility with various system architectures.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Small package size enables usage in space-constrained designs.

Disadvantages

• Limited to voltage supervision up to 5V.
• SOT23-5 package may require additional handling precautions due to its small size.

Working Principles

The MAX6423US50+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the set threshold, the device triggers a reset signal, which can be used to initiate system recovery or shutdown procedures. The threshold voltage can be adjusted using the TH pin, allowing customization based on specific application requirements.

Detailed Application Field Plans

The MAX6423US50+T finds applications in various electronic systems where voltage monitoring and control are critical. Some potential application fields include:

1. Battery-powered devices: Ensuring proper voltage levels in portable electronics to prevent unexpected shutdowns and optimize battery life.
2. Industrial control systems: Monitoring power supply voltages in industrial equipment to maintain stable operation and prevent damage.
3. Automotive electronics: Voltage supervision in automotive systems to ensure reliable performance and protect sensitive components.

Detailed and Complete Alternative Models

1. MAX6424US50+T: Similar to the MAX6423US50+T, but with a different reset output configuration.
2. MAX6425US50+T: Offers a wider supply voltage range and additional features such as watchdog timer functionality.
3. MAX6426US50+T: Provides multiple reset outputs and adjustable reset timeout options.

These alternative models offer similar voltage supervision capabilities with slight variations in features and specifications, allowing users to choose the most suitable option for their specific application requirements.

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