MAX6365HKA46+T

Product Overview

Category

The MAX6365HKA46+T belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: The MAX6365HKA46+T is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a certain threshold.
• Reset function: It generates a reset signal to ensure proper operation of the device when the power supply voltage drops or fluctuates.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide range of input voltages, typically from 1.6V to 5.5V.
• Small package size: The MAX6365HKA46+T is available in a compact SOT23-3 package, which makes it suitable for space-constrained applications.

Package and Quantity

The MAX6365HKA46+T is packaged in a SOT23-3 package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)
• Reset Timeout Period: Adjustable
• Power-On Reset Delay: 100ms (typical)

Pin Configuration

The MAX6365HKA46+T has three pins arranged in a specific configuration:

```

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| | --| VCC |-- Pin 1 (Supply Voltage) --| /RESET|-- Pin 2 (Reset Output) --| GND |-- Pin 3 (Ground) |_______| ```

Functional Features

1. Voltage Monitoring: The MAX6365HKA46+T continuously monitors the supply voltage and compares it to a preset threshold.
2. Reset Generation: When the supply voltage falls below the threshold, the IC generates a reset signal on the /RESET pin.
3. Adjustable Timeout Period: The reset signal remains active for a programmable timeout period after the voltage rises above the threshold.
4. Power-On Reset Delay: The IC provides a fixed delay of approximately 100ms before generating the reset signal upon power-up.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring with ±1.5% threshold accuracy.
• Low quiescent current consumption, suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with various power supply voltages.
• Compact package size enables usage in space-constrained designs.

Disadvantages

• Lack of built-in hysteresis may result in potential noise-induced false triggering.
• Limited number of pins restricts additional functionalities without external circuitry.

Working Principles

The MAX6365HKA46+T operates by comparing the supply voltage with an internal reference voltage. When the supply voltage drops below the preset threshold, the IC triggers the reset output, which can be used to reset the microcontroller or other devices. The reset signal remains active for a programmable timeout period after the voltage rises above the threshold, ensuring stable operation during power fluctuations.

Application Field Plans

The MAX6365HKA46+T finds applications in various electronic devices that require reliable voltage monitoring and reset functions. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper initialization and operation of these devices upon power-up or voltage fluctuations.
2. Embedded Systems: Providing a reset signal to ensure system stability and prevent software glitches.
3. Battery-Powered Devices: Monitoring battery voltage and triggering a reset when the voltage drops below a critical level.
4. Industrial Control Systems: Maintaining system integrity by resetting critical components during power disturbances.

Alternative Models

1. MAX6365HKA29+T: Similar to MAX6365HKA46+T, but with a lower threshold voltage of 2.9V.
2. MAX6365HKA33+T: Similar to MAX6365HKA46+T, but with a lower threshold voltage of 3.3V.
3. MAX6365HKA50+T: Similar to MAX6365HKA46+T, but with a higher threshold voltage of 5.0V.

These alternative models provide flexibility in choosing the appropriate threshold voltage for specific applications while maintaining similar functionality.

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