MAX8211ESA+TG05

Product Overview

• Category: Integrated Circuit
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, adjustable threshold, small package size
• Package: SOIC-8
• Essence: The MAX8211ESA+TG05 is a voltage monitor and reset circuit designed for use in various electronic systems.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Range: Adjustable from 1.25V to 5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: Adjustable from 1ms to 640ms

Pin Configuration

The MAX8211ESA+TG05 features an SOIC-8 package with the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Manual Reset Input (MR) --| TH OUT |-- Pin 3: Threshold Adjust (TH) / Power-On Reset Output (OUT) --| TRIP RST |-- Pin 4: Trip Point Output (TRIP) / Reset Output (RST) |___________| ```

Functional Features

• Monitors the supply voltage and provides a reset signal when the voltage falls below a user-adjustable threshold.
• Offers a manual reset input for immediate system reset.
• Provides a power-on reset output that remains low until the supply voltage reaches the threshold level.
• Generates a trip point output to indicate when the monitored voltage falls below the threshold.
• Adjustable reset timeout period allows customization of the reset signal duration.

Advantages and Disadvantages

Advantages: - Low-power consumption makes it suitable for battery-powered applications. - Precision voltage monitoring ensures reliable system operation. - Adjustable threshold allows flexibility in setting the desired voltage level for triggering the reset signal. - Small package size saves board space in compact designs.

Disadvantages: - Limited to a maximum supply voltage of 5.5V, which may not be suitable for high-voltage applications. - The adjustable reset timeout period has a limited range, which may not meet the requirements of all applications.

Working Principles

The MAX8211ESA+TG05 operates by comparing the supply voltage with the user-adjustable threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, signaling a system reset. The power-on reset output remains low until the supply voltage reaches the threshold, ensuring a controlled startup. The trip point output indicates when the monitored voltage falls below the threshold, providing additional monitoring capabilities.

Application Field Plans

The MAX8211ESA+TG05 can be used in various applications that require voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontroller-based systems: Ensures proper operation by resetting the microcontroller when the supply voltage drops below a certain level.
2. Battery-powered devices: Monitors the battery voltage and triggers a reset when it reaches a critical level, preventing unreliable operation.
3. Industrial control systems: Provides voltage monitoring and reset capabilities for critical components, enhancing system reliability.
4. Automotive electronics: Protects sensitive electronic components by resetting them during voltage fluctuations or power supply issues.
5. Home automation systems: Monitors the power supply and resets the system if voltage irregularities occur, ensuring uninterrupted operation.

Alternative Models

• MAX8212ESA+TG05
• MAX8213ESA+TG05
• MAX8214ESA+TG05

These alternative models offer similar voltage monitoring and reset functionality, with variations in features such as supply voltage range, threshold voltage range, and package type.

Word count: 446 words