MAX8213AESE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low Power, Precision, Adjustable Threshold
• Package: 16-Pin Narrow SOIC (Small Outline Integrated Circuit)
• Essence: Monitors voltage levels and provides an output signal based on the set threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Threshold Voltage Range: Adjustable from 0.4V to VCC - 0.2V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)
• Output Type: Active-Low, Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX8213AESE+T has a 16-pin narrow SOIC package with the following pin configuration:

1. GND (Ground)
2. IN (Voltage Input)
3. TH (Threshold Adjust)
4. RESET (Active-Low Reset Output)
5. GND
6. GND
7. GND
8. GND
9. NC (No Connection)
10. VCC (Supply Voltage)
11. GND
12. GND
13. GND
14. GND
15. OUT (Voltage Monitor Output)
16. GND

Functional Features

• Monitors input voltage and compares it to the adjustable threshold voltage.
• Provides an active-low reset output when the input voltage falls below the threshold.
• Low quiescent current makes it suitable for battery-powered applications.
• Wide supply voltage range allows compatibility with various systems.
• Open-drain output can be easily interfaced with other devices.

Advantages and Disadvantages

Advantages: - Adjustable threshold voltage provides flexibility in monitoring different voltage levels. - Low power consumption extends battery life in portable applications. - Precision accuracy ensures reliable voltage monitoring. - Small package size saves board space.

Disadvantages: - Limited to monitoring voltage levels within the supply voltage range. - Output is active-low, which may require additional circuitry for certain applications. - Not suitable for high-voltage applications.

Working Principles

The MAX8213AESE+T operates by comparing the input voltage (IN) with the threshold voltage (TH). The threshold voltage can be adjusted using an external resistor divider connected to the TH pin. When the input voltage falls below the threshold, the RESET pin goes low, indicating a reset condition. The output (OUT) is an active-low, open-drain signal that can be pulled low when the reset condition occurs.

Detailed Application Field Plans

The MAX8213AESE+T finds applications in various fields, including:

1. Battery-Powered Devices: Monitors battery voltage and triggers a reset when it drops below a certain level.
2. Power Supply Monitoring: Ensures stable power supply by detecting voltage fluctuations and initiating corrective actions.
3. Industrial Control Systems: Provides voltage monitoring for critical components, preventing damage due to voltage variations.
4. Automotive Electronics: Monitors vehicle battery voltage and triggers alarms or shutdowns in case of low voltage conditions.
5. Home Automation: Used in smart home systems to monitor power supply and trigger appropriate actions based on voltage levels.

Detailed and Complete Alternative Models

1. MAX8212AESE+T: Similar to MAX8213AESE+T but with fixed threshold voltage.
2. MAX8214AESE+T: Higher accuracy version with ±0.8% accuracy.
3. MAX8215AESE+T: Adjustable threshold voltage with additional hysteresis for noise immunity.

These alternative models offer different features and specifications to cater to specific application requirements.

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