MAX6428EIUR+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides accurate monitoring and control of power supply voltages
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Reset Threshold Options: 2.5V, 3V, 3.3V, 5V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Output Type: Active-Low Push-Pull or Open-Drain
• Power-On Reset Delay: 20ms (typical)

Pin Configuration

The MAX6428EIUR+T has a total of 16 pins, each serving a specific function:

1. GND: Ground
2. RESET#: Active-Low Reset Output
3. MR#: Manual Reset Input
4. VCC: Positive Supply Voltage
5. RESET#: Active-Low Reset Output
6. RESET#: Active-Low Reset Output
7. RESET#: Active-Low Reset Output
8. RESET#: Active-Low Reset Output
9. RESET#: Active-Low Reset Output
10. RESET#: Active-Low Reset Output
11. RESET#: Active-Low Reset Output
12. RESET#: Active-Low Reset Output
13. RESET#: Active-Low Reset Output
14. RESET#: Active-Low Reset Output
15. RESET#: Active-Low Reset Output
16. RESET#: Active-Low Reset Output

Functional Features

• Accurate voltage monitoring and supervision
• Programmable reset threshold options
• Adjustable reset timeout period
• Manual reset input for immediate system reset
• Low quiescent current for power efficiency
• Power-on reset delay for stable operation during power-up

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation - Flexible reset threshold options cater to various applications - Adjustable reset timeout period allows customization based on specific requirements - Manual reset input provides control over system reset - Low quiescent current minimizes power consumption - Power-on reset delay prevents false triggering during power-up

Disadvantages: - Limited number of reset outputs may restrict certain complex designs - Requires external components for proper functionality

Working Principles

The MAX6428EIUR+T is a voltage supervisor IC that monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold. It operates by comparing the monitored voltage with the programmed threshold value. If the voltage drops below the threshold, the reset output is activated, signaling the need for a system reset.

The device also features an adjustable reset timeout period, which determines how long the reset output remains active after the voltage returns to normal. This feature prevents false triggering due to temporary voltage fluctuations.

Additionally, the MAX6428EIUR+T includes a manual reset input that allows the user to initiate an immediate system reset, overriding the voltage monitoring function.

Detailed Application Field Plans

The MAX6428EIUR+T finds application in various fields where accurate voltage monitoring and reliable system operation are crucial. Some potential application areas include:

1. Industrial Control Systems: Ensuring stable operation of critical machinery and equipment.
2. Automotive Electronics: Monitoring power supply voltages in automotive systems to prevent malfunctions.
3. Medical Devices: Providing precise voltage supervision in medical equipment for patient safety.
4. Telecommunications: Monitoring power supply voltages in communication systems to maintain uninterrupted operation.
5. Consumer Electronics: Ensuring reliable performance of electronic devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. MAX6429EIUR+T: Similar voltage supervisor IC with additional features like adjustable reset threshold and watchdog timer.
2. MAX6430EIUR+T: Voltage supervisor IC with higher operating temperature range and lower quiescent current.
3. MAX6431EIUR+T: Voltage supervisor IC with extended supply voltage range and adjustable reset timeout period.

These alternative models offer similar functionality to the MAX6428EIUR+T but may have additional features or specifications that cater to specific application requirements.

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