MAX16047ETN+CB4

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low Power, Precision, Adjustable Threshold, Manual Reset Input
• Package: 16-TDFN (3x3)
• Essence: This product is a voltage supervisor IC that monitors the power supply voltage of a system and provides a reset signal to the microcontroller or other digital logic when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel (TR) packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Adjustable from 0.4V to 5V in 100mV Steps
• Manual Reset Input: Active-Low or Active-High
• Quiescent Current: 2µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX16047ETN+CB4 has a 16-pin TDFN package with the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset Input)
3. VCC (Supply Voltage)
4. RESET (Reset Output)
5. GND (Ground)
6. GND (Ground)
7. GND (Ground)
8. GND (Ground)
9. GND (Ground)
10. GND (Ground)
11. GND (Ground)
12. GND (Ground)
13. GND (Ground)
14. GND (Ground)
15. GND (Ground)
16. GND (Ground)

Functional Features

• Monitors the power supply voltage and generates a reset signal when the voltage drops below a user-defined threshold.
• Adjustable threshold voltage allows customization for different applications.
• Manual reset input allows for external control of the reset signal.
• Low quiescent current ensures minimal power consumption.
• Precision voltage monitoring provides accurate detection of voltage variations.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - Adjustable threshold voltage offers flexibility in different voltage monitoring scenarios. - Manual reset input allows for manual system reset when required. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited pin configuration options may restrict certain system designs. - Lack of built-in hysteresis may result in potential noise-related issues.

Working Principles

The MAX16047ETN+CB4 operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the user-defined threshold, the reset output is activated, signaling a low-voltage condition to the microcontroller or digital logic. The manual reset input can also be used to force a system reset externally.

Detailed Application Field Plans

The MAX16047ETN+CB4 is commonly used in various applications where reliable voltage monitoring and system reset functionality are crucial. Some typical application fields include:

1. Battery-Powered Devices: Ensures proper shutdown or system reset when battery voltage drops below a safe level.
2. Industrial Control Systems: Provides voltage supervision to prevent malfunctions or data corruption during power fluctuations.
3. Automotive Electronics: Monitors the vehicle's power supply to protect sensitive electronic components from voltage transients.
4. Medical Equipment: Ensures safe operation by detecting and responding to voltage anomalies.
5. Home Automation: Enables reliable control and monitoring of smart home devices by ensuring stable power supply.

Detailed and Complete Alternative Models

1. MAX16046ETN+CB4: Similar to MAX16047ETN+CB4 but with a fixed threshold voltage of 2.5V.
2. MAX16048ETN+CB4: Similar to MAX16047ETN+CB4 but with a fixed threshold voltage of 3.3V.
3. MAX16049ETN+CB4: Similar to MAX16047ETN+CB4 but with a fixed threshold voltage of 5V.

These alternative models offer different fixed threshold voltage options for specific voltage monitoring requirements.

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