MAX8214BCSE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: High accuracy, low power consumption, small package size
• Package: Surface Mount SOIC-16
• Essence: Provides voltage monitoring and reset functions for electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: 140ms (typical)

Pin Configuration

The MAX8214BCSE+T has a total of 16 pins arranged as follows:

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| | | 1 8 9 | | | | 2 7 10 | | | | 3 6 11 | | | | 4 5 12 | |_______________| ```

Pin Description: 1. VCC: Positive supply voltage 2. GND: Ground reference 3. MR: Manual reset input 4. RESET: Active-low reset output 5. TH: Threshold voltage selection pin 6. TH: Threshold voltage selection pin 7. TH: Threshold voltage selection pin 8. TH: Threshold voltage selection pin 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. NC: No connection

Functional Features

• Monitors the voltage level of the power supply and generates a reset signal when the voltage falls below a specified threshold.
• Provides manual reset capability through the MR pin.
• Offers multiple threshold voltage options for flexibility in different applications.
• Low quiescent current ensures minimal power consumption.
• Reset timeout period prevents false resets during power-up or voltage fluctuations.

Advantages and Disadvantages

Advantages: - High accuracy voltage monitoring - Low power consumption - Small package size for space-constrained designs - Multiple threshold voltage options for versatility

Disadvantages: - Limited number of available pins for additional functionality - Not suitable for high-voltage applications

Working Principles

The MAX8214BCSE+T is designed to monitor the voltage level of a power supply and generate a reset signal when the voltage falls below a specified threshold. It utilizes an internal voltage reference and comparator to compare the supply voltage with the selected threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a low-voltage condition. The reset remains active until the supply voltage rises above the threshold and a timeout period elapses.

Detailed Application Field Plans

The MAX8214BCSE+T is commonly used in various electronic systems where reliable voltage monitoring and reset functions are required. Some typical application fields include:

1. Microcontrollers and Microprocessors: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Industrial Control Systems: Provides fault detection and system reset capabilities in critical control applications.
3. Automotive Electronics: Monitors battery voltage and triggers a reset if it falls below a safe operating level.
4. Power Management Systems: Enables efficient power management by monitoring supply voltages and initiating appropriate actions based on voltage levels.

Detailed and Complete Alternative Models

1. MAX8214ACSE+T: Similar to MAX8214BCSE+T, but with different threshold voltage options.
2. MAX8214BCPE+T: Plastic DIP package version of MAX8214BCSE+T.
3. MAX8214BCWE+T: WLP package version of MAX8214BCSE+T with smaller footprint.

These alternative models offer similar functionality and characteristics, providing flexibility for different design requirements.

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