MAX16039LLA26+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, high-accuracy, small form factor
• Package: 6-pin SOT23
• Essence: Provides voltage monitoring and reset functionality for electronic systems
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Threshold Voltage Options: 2.6V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Pin Configuration

The MAX16039LLA26+T features a 6-pin SOT23 package with the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| RST OUT |-- Pin 2: Output (OUT) --| MR TH |-- Pin 3: Threshold Voltage (TH) |___________| ```

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Adjustable reset timeout period allows customization based on system requirements.
• Low quiescent current ensures minimal power consumption.
• Built-in hysteresis prevents false triggering due to voltage fluctuations.

Advantages and Disadvantages

Advantages: - Compact size enables integration into space-constrained designs. - Wide supply voltage range makes it compatible with various electronic systems. - Adjustable reset timeout period offers flexibility in different applications. - Low quiescent current prolongs battery life in portable devices.

Disadvantages: - Limited threshold voltage options may not suit all voltage monitoring requirements. - Lack of additional features, such as power-on reset delay or watchdog timer.

Working Principles

The MAX16039LLA26+T operates by continuously monitoring the supply voltage. When the voltage drops below the threshold voltage (TH), the device generates a reset signal (RST) to initiate system reset. The reset timeout period can be adjusted using an external capacitor connected to the MR pin. During normal operation, the output pin (OUT) remains high. The IC consumes minimal power in standby mode, ensuring efficient energy usage.

Detailed Application Field Plans

The MAX16039LLA26+T finds applications in various electronic systems that require reliable voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensures proper system initialization and prevents erratic behavior during power fluctuations.
2. Industrial Control Systems: Provides robust reset capability for critical control units, enhancing system reliability.
3. Automotive Electronics: Monitors battery voltage and triggers reset when necessary, preventing damage to sensitive components.
4. Portable Devices: Protects against low battery voltage conditions, preserving data integrity and preventing unexpected shutdowns.
5. Home Automation Systems: Enables safe and reliable operation of smart home devices by monitoring power supply stability.

Detailed and Complete Alternative Models

1. MAX16038LLA26+T: Similar to MAX16039LLA26+T but with a different threshold voltage option (2.6V).
2. MAX16040LLA26+T: Offers adjustable reset timeout period and multiple threshold voltage options.
3. MAX16041LLA26+T: Provides additional features like power-on reset delay and watchdog timer functionality.

These alternative models offer similar voltage monitoring and reset capabilities, catering to different voltage thresholds and additional feature requirements.

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