MAX8211ESA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitor with adjustable threshold
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Monitors the voltage level of a power supply and provides an output signal when the voltage exceeds or falls below a set threshold
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.5V to 16V
• Adjustable Threshold Voltage Range: 1.25V to VCC - 0.6V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Output Type: Active-Low Open-Drain
• Output Sink Current: 20mA (maximum)

Pin Configuration

The MAX8211ESA+T has the following pin configuration:

1. GND (Ground): Connect to system ground.
2. IN (Input): Connect to the voltage source being monitored.
3. SET (Set Threshold): Connect to an external resistor to adjust the threshold voltage.
4. RESET (Reset Output): Active-low open-drain output that indicates when the input voltage is outside the threshold range.
5. GND (Ground): Connect to system ground.
6. OUT (Output): Active-low open-drain output that mirrors the state of the input voltage.
7. VCC (Supply Voltage): Connect to the positive supply voltage.
8. NC (No Connection): Leave unconnected.

Functional Features

• Monitors the input voltage and compares it to the set threshold voltage.
• Provides a reset output signal when the input voltage goes above or below the threshold.
• The reset output remains active until the input voltage returns within the threshold range.
• The output signal can be used to trigger system-level actions or alarms.

Advantages and Disadvantages

Advantages: - Low-power consumption - Adjustable threshold voltage - Wide supply voltage range - Small package size

Disadvantages: - Output is active-low, which may require additional circuitry for certain applications - Limited sink current capability

Working Principles

The MAX8211ESA+T operates by comparing the input voltage with the threshold voltage set using an external resistor connected to the SET pin. When the input voltage exceeds the threshold, the reset output is activated, indicating an out-of-range condition. The reset output remains active until the input voltage returns within the threshold range.

Application Field Plans

The MAX8211ESA+T finds applications in various fields, including:

1. Power Supply Monitoring: Used to detect overvoltage or undervoltage conditions in power supplies.
2. Battery Management: Monitors battery voltage levels to prevent overcharging or deep discharge.
3. Industrial Control Systems: Provides voltage monitoring in control panels and equipment.
4. Automotive Electronics: Ensures proper voltage levels in automotive systems to prevent damage.

Alternative Models

1. MAX8212ESA+T: Similar to MAX8211ESA+T but with a higher supply voltage range.
2. MAX8213ESA+T: Voltage monitor with adjustable threshold and integrated hysteresis.
3. MAX8214ESA+T: Dual voltage monitor with independent threshold settings.

These alternative models offer similar functionality with slight variations to suit specific application requirements.

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