MAX6428BGUR+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low Power, Precision, Adjustable Threshold, Manual Reset Input
• Package: 16-TSSOP
• Essence: MAX6428BGUR+T 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 devices when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 1.575V, 2.048V, 2.5V, 3.08V, 4.63V
• Manual Reset Input: Active-Low or Active-High
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6428BGUR+T has a 16-pin TSSOP package with the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset Input)
3. RESET (Reset Output)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage Selection)
6. NC (No Connection)
7. NC (No Connection)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• Monitors the power supply voltage and generates a reset signal when the voltage drops below the set threshold.
• Adjustable threshold voltage options allow customization for different system requirements.
• Manual reset input allows for external control of the reset signal.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - Adjustable threshold voltage provides flexibility in voltage monitoring. - Low power consumption prolongs battery life in portable devices. - Manual reset input allows for system-level control.

Disadvantages: - Limited number of available threshold voltage options. - No built-in hysteresis feature for noise immunity.

Working Principles

The MAX6428BGUR+T operates by comparing the supply voltage with the set threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a power failure or low voltage condition. The manual reset input can be used to override the automatic reset function and manually control the reset signal.

Detailed Application Field Plans

The MAX6428BGUR+T is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Battery-Powered Devices: Ensuring proper operation and safe shutdown during low battery conditions.
2. Industrial Control Systems: Monitoring power supply integrity and initiating system resets in case of voltage fluctuations.
3. Automotive Electronics: Protecting sensitive components from voltage drops and ensuring proper system startup.
4. Home Automation: Providing voltage supervision for smart home devices and triggering resets when necessary.
5. Medical Equipment: Ensuring continuous operation and safe shutdown during power supply disruptions.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX6428BGUR+T include:

1. MAX6429BGUR+T: 16-TSSOP package, adjustable threshold voltage, manual reset input.
2. MAX6430BGUR+T: 16-TSSOP package, fixed threshold voltage options, manual reset input.
3. MAX6431BGUR+T: 16-TSSOP package, adjustable threshold voltage, active-low reset output.
4. MAX6432BGUR+T: 16-TSSOP package, fixed threshold voltage options, active-high reset output.

These alternative models can be considered based on specific application requirements and desired features.

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