MAX801NCSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: Surface Mount, 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a predetermined threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 1.575V, 2.32V, 2.63V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Pin Configuration

The MAX801NCSA+T has the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. MR (Manual Reset Input)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage Selection)
6. CT (Reset Timeout Period Selection)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• Monitors the power supply voltage continuously.
• Generates a reset signal when the voltage falls below the selected threshold.
• Provides manual reset capability through the MR pin.
• Offers multiple options for threshold voltage and reset timeout period.

Advantages

• Low-power consumption, suitable for battery-powered applications.
• Precise monitoring of power supply voltage.
• Small form factor and surface mount package for space-constrained designs.
• Wide operating temperature range for versatile applications.

Disadvantages

• Limited number of threshold voltage and reset timeout period options.
• No built-in hysteresis feature for noise immunity.

Working Principles

The MAX801NCSA+T operates by comparing the power supply voltage with a selected threshold voltage. When the supply voltage drops below the threshold, the IC generates a reset signal. The reset signal remains active until the supply voltage rises above the threshold or a manual reset is triggered through the MR pin.

Detailed Application Field Plans

The MAX801NCSA+T finds applications in various fields, including:

1. Battery-powered devices: Provides reliable power monitoring and reset functionality in portable electronics, such as smartphones, tablets, and wearables.
2. Industrial control systems: Ensures proper operation by monitoring power supply voltage in PLCs (Programmable Logic Controllers), motor drives, and other industrial equipment.
3. Automotive electronics: Protects sensitive components from voltage fluctuations in automotive systems, including ECUs (Engine Control Units), infotainment systems, and safety modules.

Detailed and Complete Alternative Models

1. MAX803NCSA+T: Similar to MAX801NCSA+T but with additional hysteresis feature for improved noise immunity.
2. MAX809NCSA+T: Voltage supervisor with a push-pull output instead of an open-drain output.
3. MAX811NCSA+T: Offers adjustable threshold voltage and reset timeout period options.

These alternative models provide similar functionality to the MAX801NCSA+T and can be considered based on specific requirements.

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