MAX806SCSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: Small Outline IC (SOIC)
• Essence: Monitors and controls voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: Adjustable from 0.4V to 5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

The MAX806SCSA+T has a total of 8 pins:

1. VCC: Supply Voltage Input
2. GND: Ground
3. RESET: Active-Low Reset Output
4. MR: Manual Reset Input
5. TH: Threshold Voltage Adjustment Input
6. CT: Capacitor Connection for Reset Timeout
7. NC: No Connection
8. NC: No Connection

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below a certain threshold.
• Provides an adjustable threshold voltage option, allowing customization for different applications.
• Includes a manual reset input for external control of the reset signal.
• Offers a reset timeout period to prevent false resets during power-up or voltage fluctuations.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Adjustable threshold voltage provides flexibility for different voltage monitoring requirements.
• Low quiescent current minimizes power consumption.
• Reset timeout feature prevents false resets.
• Small package size enables space-saving in electronic designs.

Disadvantages

• Limited to voltage monitoring applications and does not offer additional functionalities.
• Manual reset input may require external circuitry for proper utilization.

Working Principles

The MAX806SCSA+T operates by continuously monitoring the supply voltage connected to its VCC pin. When the voltage falls below the threshold set by the TH pin, the IC generates an active-low reset signal on the RESET pin. This signal remains active until the supply voltage rises above the threshold or a manual reset is triggered through the MR pin.

To adjust the threshold voltage, an external resistor divider network can be connected to the TH pin. The CT pin allows connection of an external capacitor to set the reset timeout period, preventing false resets during power-up or voltage fluctuations.

Detailed Application Field Plans

The MAX806SCSA+T finds application in various electronic systems where voltage monitoring and control are critical. Some potential application fields include:

1. Power Supply Units (PSUs): Ensuring stable voltage levels in PSUs to protect sensitive components from damage.
2. Battery-Powered Devices: Monitoring battery voltage to prevent over-discharge and extend battery life.
3. Industrial Control Systems: Maintaining voltage stability in control systems to ensure reliable operation.
4. Automotive Electronics: Monitoring automotive battery voltage to prevent vehicle breakdowns.
5. IoT Devices: Voltage supervision in IoT devices to ensure proper functionality and data integrity.

Detailed and Complete Alternative Models

1. MAX803/MAX809: Similar voltage supervisor ICs with adjustable threshold options.
2. MAX811: Voltage supervisor IC with a manual reset input and adjustable threshold.
3. MAX638: Precision voltage monitor IC with adjustable threshold and reset timeout features.

These alternative models provide similar voltage monitoring capabilities and can be considered based on specific application requirements.

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