MAX8214AESE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitor with adjustable threshold
• Package: 16-pin Narrow SOIC (Small Outline Integrated Circuit)
• Essence: Monitors a voltage source 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: 1.8V to 5.5V
• Threshold Voltage Range: Adjustable from 1.25V to 5V in 100mV steps
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX8214AESE+T has a total of 16 pins. The pin configuration is as follows:

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

Functional Features

• Monitors the input voltage and compares it with the threshold voltage
• Provides an active-low reset output when the input voltage crosses the threshold
• Adjustable threshold voltage allows customization for different applications
• Low quiescent current ensures minimal power consumption
• Open-drain output allows easy interfacing with other devices

Advantages and Disadvantages

Advantages

• Wide supply voltage range enables compatibility with various systems
• Adjustable threshold voltage provides flexibility in voltage monitoring applications
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices
• Active-low reset output simplifies system reset functionality
• Small package size saves board space

Disadvantages

• Accuracy may vary depending on operating conditions
• Limited number of available pins for additional functionalities
• Not suitable for high-voltage applications

Working Principles

The MAX8214AESE+T is a voltage monitor IC that operates by comparing the input voltage (IN) with the threshold voltage (TH). When the input voltage exceeds the threshold voltage, the active-low reset output (RESET) is triggered. The threshold voltage can be adjusted using an external resistor divider connected to the TH pin.

The device operates within a specified supply voltage range and monitors the input voltage continuously. It consumes low quiescent current, ensuring minimal power consumption. The open-drain output (OUT) allows easy integration with other devices in the system.

Detailed Application Field Plans

The MAX8214AESE+T finds applications in various fields where voltage monitoring is crucial. Some potential application areas include:

1. Battery-Powered Devices: The low quiescent current and adjustable threshold voltage make it suitable for battery-powered devices such as portable electronics, IoT devices, and wearables.
2. Power Management Systems: It can be used in power management systems to monitor voltage levels and trigger actions based on predefined thresholds, such as shutting down or activating specific components.
3. Industrial Control Systems: The voltage monitor can be employed in industrial control systems to ensure stable and safe operation by monitoring critical voltage levels and triggering alarms or shutdowns in case of deviations.
4. Automotive Electronics: The device can be utilized in automotive electronics to monitor battery voltage, ensuring proper charging and preventing over-discharge.

Detailed and Complete Alternative Models

1. MAX8215AESE+T: Similar to MAX8214AESE+T but with a different package (8-pin SOIC).
2. MAX8216AESE+T: Voltage monitor with adjustable threshold and push-pull output type.
3. MAX8217AESE+T: Voltage monitor with fixed threshold voltage and open-drain output type.
4. MAX8218AESE+T: Dual voltage monitor with adjustable thresholds and open-drain outputs.

These alternative models offer similar functionality with slight variations in features, pin configuration, and package options.

In conclusion, the MAX8214AESE+T is a versatile voltage monitor IC that provides precise monitoring and control capabilities. Its adjustable threshold voltage, low power consumption, and compact package make it suitable for various applications in different fields.