MAX16081AXR16O+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low Power, Precision, Reset Timer
• Package: 16-SOT23
• Essence: This product is a voltage supervisor IC that monitors the power supply voltage of a system and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 3.6V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX16081AXR16O+T has the following pin configuration:

```

---

| | --| RESET | --| GND | --| MR | --| VCC | --| N.C. | --| N.C. | --| N.C. | --| N.C. | --| N.C. | --| N.C. | --| N.C. | --| N.C. | --| N.C. | --| N.C. | --| N.C. | |___________| ```

Functional Features

• Monitors the power supply voltage and asserts a reset signal when it falls below the threshold voltage.
• Provides an adjustable reset timeout period to ensure proper system initialization.
• Low quiescent current consumption for power-sensitive applications.
• Precision voltage monitoring with selectable threshold options.
• Small package size for space-constrained designs.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring helps prevent system malfunctions. - Adjustable reset timeout period allows customization for different applications. - Low power consumption extends battery life in portable devices. - Small package size enables compact circuit designs.

Disadvantages: - Limited threshold voltage options may not suit all voltage requirements. - The adjustable reset timeout period may require additional configuration and testing.

Working Principles

The MAX16081AXR16O+T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage drops below the threshold, the reset output is asserted, indicating a power failure. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX16081AXR16O+T is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Microcontroller Systems: Ensures proper initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Industrial Control Systems: Provides reliable reset signals to ensure safe operation and prevent damage to equipment.
3. Automotive Electronics: Monitors critical voltages in automotive systems to prevent malfunctions and ensure passenger safety.
4. Battery-Powered Devices: Maximizes battery life by initiating a reset when the voltage drops below a certain level, preventing unreliable operation.

Detailed and Complete Alternative Models

1. MAX16080AXR16O+T: Similar to MAX16081AXR16O+T but with a fixed reset timeout period of 140ms.
2. MAX16082AXR16O+T: Offers additional features such as a watchdog timer and manual reset input.
3. MAX16083AXR16O+T: Provides a wider range of threshold voltage options for more flexibility in voltage monitoring.

These alternative models offer different features and specifications to cater to specific application requirements.

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