MAX16037LLA23+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitoring and Reset
• Characteristics: Low-power, low-voltage, precision voltage monitor with manual reset input
• Package: 8-pin Leadless Leadframe Package (LLP)
• Essence: The MAX16037LLA23+T is a voltage monitor IC designed to monitor the power supply voltage of electronic systems and provide a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.3V, 2.5V, 2.63V, 2.93V, 3.08V, 3.3V, 4.38V, 4.63V, 4.75V, 4.88V, 5V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Pin Configuration

The MAX16037LLA23+T has the following pin configuration:

1. GND: Ground
2. MR: Manual Reset Input
3. VCC: Supply Voltage
4. RESET: Active-Low Reset Output
5. TH: Threshold Voltage Selection Input
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection

Functional Features

• Monitors the power supply voltage and provides a reset signal when the voltage falls below the selected threshold.
• Manual reset input allows for external reset control.
• Adjustable reset timeout period allows customization for specific applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - Precise threshold voltage options provide flexibility for different voltage monitoring requirements. - Adjustable reset timeout period allows fine-tuning for specific application needs. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited number of threshold voltage options may not cover all possible voltage monitoring scenarios. - Manual reset input may require additional external components for proper implementation.

Working Principles

The MAX16037LLA23+T operates by continuously monitoring the power supply voltage through the TH pin. When the voltage falls below the selected threshold, the RESET pin is asserted low, indicating a power failure or an out-of-range condition. The manual reset input (MR) can be used to force a reset signal regardless of the monitored voltage level. The reset timeout period can be adjusted to determine how long the reset signal remains active after the voltage returns to normal.

Detailed Application Field Plans

The MAX16037LLA23+T is commonly used in various electronic systems where reliable power supply monitoring and reset functionality are required. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Industrial Control Systems: Monitoring critical power supplies to prevent equipment damage or malfunction.
3. Automotive Electronics: Providing reset signals for safety-critical systems in vehicles.
4. Battery-Powered Devices: Protecting battery life by initiating a reset when the voltage drops below a certain level.
5. Home Automation Systems: Ensuring stable operation and preventing system failures due to power supply issues.

Detailed and Complete Alternative Models

1. MAX16036LLA23+T: Similar to MAX16037LLA23+T but with a different set of threshold voltage options.
2. MAX16038LLA23+T: Higher voltage range and additional features such as watchdog timer functionality.
3. MAX16039LLA23+T: Lower voltage range and reduced quiescent current for ultra-low-power applications.

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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