MAX16049ATN+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX16049ATN+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for power supply monitoring and reset functions in various electronic devices.

Characteristics

• Integrated circuit with power supply monitoring and reset features
• Low power consumption
• Wide operating voltage range
• Small package size
• High accuracy and reliability

Package

The MAX16049ATN+ is available in a small outline transistor (SOT) package.

Essence

The essence of MAX16049ATN+ lies in its ability to monitor power supply voltages and generate reset signals when necessary, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage Range: 2.5V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.2V to 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 3µA (typical)
• Power-On Reset Delay: 20ms (typical)

Detailed Pin Configuration

The MAX16049ATN+ has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET#: Active-low reset output

Functional Features

1. Power Supply Monitoring: The MAX16049ATN+ continuously monitors the input voltage to ensure it remains within the specified range.
2. Reset Generation: When the input voltage falls below the adjustable threshold voltage, the device generates a reset signal to initiate a system reset.
3. Adjustable Parameters: The reset threshold voltage and timeout period can be adjusted to suit specific application requirements.
4. Manual Reset: The device includes a manual reset input (MR) that allows for an external reset signal to override the internal monitoring circuit.

Advantages and Disadvantages

Advantages

• High accuracy in power supply monitoring
• Adjustable parameters for customization
• Low power consumption
• Small package size for space-constrained applications
• Reliable reset generation

Disadvantages

• Limited operating voltage range (2.5V to 5.5V)
• Fixed power-on reset delay of 20ms

Working Principles

The MAX16049ATN+ operates by continuously monitoring the input voltage using an internal voltage reference. When the voltage falls below the adjustable threshold, the device triggers a reset signal. The reset signal remains active until the voltage rises above the threshold or the timeout period elapses. The manual reset input allows for an external reset signal to override the internal monitoring circuit.

Detailed Application Field Plans

The MAX16049ATN+ finds applications in various electronic devices requiring power supply monitoring and reset functions. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and reliable operation.
2. Industrial Control Systems: Monitoring power supply integrity to prevent data loss or equipment malfunction.
3. Automotive Electronics: Providing reset functionality to ensure safe and reliable operation of critical systems.
4. Medical Devices: Ensuring continuous operation and patient safety by monitoring power supply voltages.

Detailed and Complete Alternative Models

1. MAX16050ATN+: Similar to MAX16049ATN+, but with additional features such as watchdog timer functionality.
2. MAX16051ATN+: A higher voltage variant of MAX16049ATN+ with an extended operating voltage range of 2.7V to 6.5V.
3. MAX16052ATN+: Offers similar functionality to MAX16049ATN+ but in a different package size (e.g., DFN).

(Note: The alternative models mentioned above are for illustrative purposes and may not represent an exhaustive list of available alternatives.)

In conclusion, the MAX16049ATN+ is a versatile integrated circuit that provides power supply monitoring and reset functions. Its small package size, low power consumption, and adjustable parameters make it suitable for various applications. However, its limited operating voltage range and fixed power-on reset delay should be considered when selecting this product.