MAX815NCSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: Surface Mount Technology (SMT)
• Essence: Ensures reliable system operation by monitoring power supply voltages
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 1.575V, 2.048V, 2.5V, 3.08V, 3.3V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)

Detailed Pin Configuration

The MAX815NCSA+T features a 8-pin surface mount package with the following pin configuration:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection input
6. CT: Capacitor connection for reset timeout period adjustment
7. RESET: Active-low reset output
8. NC: No connection

Functional Features

• Precision voltage monitoring
• Adjustable reset timeout period
• Manual reset capability
• Low quiescent current consumption
• Wide supply voltage range
• Multiple threshold voltage options

Advantages and Disadvantages

Advantages: - Ensures reliable system operation by monitoring power supply voltages - Flexible threshold voltage options for compatibility with various systems - Adjustable reset timeout period allows customization based on application requirements - Low quiescent current consumption minimizes power consumption

Disadvantages: - Limited to surface mount package, may not be suitable for all applications - Manual reset input may require additional external components for proper functionality

Working Principles

The MAX815NCSA+T is designed to monitor the power supply voltage of a system and provide a reset signal when the voltage falls below a certain threshold. It operates by comparing the monitored voltage with the selected threshold voltage. If the monitored voltage drops below the threshold, the reset output is activated, indicating a power failure or unstable voltage condition. The reset timeout period can be adjusted to delay the reset signal after power-up, allowing sufficient time for the system to stabilize.

Detailed Application Field Plans

The MAX815NCSA+T finds application in various fields where reliable voltage monitoring is crucial. Some potential application areas include:

1. Industrial Control Systems: Ensuring stable operation of control systems in manufacturing plants.
2. Automotive Electronics: Monitoring power supply voltages in automotive electronic systems.
3. Medical Devices: Providing voltage supervision in critical medical equipment.
4. Consumer Electronics: Enhancing the reliability of consumer electronic devices.
5. Telecommunications: Voltage monitoring in communication infrastructure equipment.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage supervisor IC with adjustable reset timeout period.
2. MAX811: Voltage supervisor IC with manual reset input and fixed reset timeout period.
3. MAX813: Dual voltage supervisor IC with independent threshold voltage selection for each channel.
4. MAX810: Voltage supervisor IC with push-pull active-low reset output.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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