MAX8215CSD+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX8215CSD+ is a precision, low-power voltage monitor and reset circuit. It is designed to monitor the power supply voltage of microprocessors, microcontrollers, or other digital systems and provide a reset signal during power-up, power-down, or brownout conditions.

Characteristics: - Precision voltage monitoring - Low-power consumption - Small package size - Wide operating voltage range - Adjustable reset threshold - Power-on reset delay

Package: The MAX8215CSD+ is available in a small 14-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the MAX8215CSD+ is its ability to accurately monitor the power supply voltage and provide a reliable reset signal to ensure proper operation of digital systems.

Packaging/Quantity: The MAX8215CSD+ is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 6.5V
• Reset Threshold Voltage Range: 0.4V to VCC - 0.1V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8215CSD+ has a total of 14 pins. The pin configuration is as follows:

1. GND (Ground)
2. RESET (Reset Output)
3. MR (Manual Reset Input)
4. VCC (Supply Voltage)
5. TH (Threshold Adjust)
6. NC (No Connection)
7. NC (No Connection)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)

Functional Features

The MAX8215CSD+ offers the following functional features:

1. Voltage Monitoring: The IC continuously monitors the power supply voltage.
2. Reset Signal Generation: It generates a reset signal when the voltage falls below the programmable threshold.
3. Adjustable Threshold: The threshold voltage can be adjusted using an external resistor.
4. Power-On Reset Delay: The IC provides a delay before generating the reset signal during power-up to allow the power supply to stabilize.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring - Low power consumption - Small package size for space-constrained applications - Wide operating voltage range for compatibility with various systems - Adjustable reset threshold for flexibility - Power-on reset delay for reliable operation

Disadvantages: - Limited number of pins for additional functionality - Requires an external resistor for threshold adjustment

Working Principles

The MAX8215CSD+ works by comparing the power supply voltage with a programmable threshold voltage. When the voltage falls below the threshold, it generates a reset signal. The threshold voltage can be adjusted using an external resistor connected to the TH pin. The IC also incorporates a power-on reset delay to ensure stable operation during power-up.

Detailed Application Field Plans

The MAX8215CSD+ finds applications in various fields where precise voltage monitoring and reliable reset functionality are required. Some potential application areas include: - Microprocessors and microcontrollers - Digital systems and embedded devices - Industrial automation - Automotive electronics - Power management systems

Detailed and Complete Alternative Models

1. MAX8216CSD+: Similar to MAX8215CSD+, but with additional features such as watchdog timer and manual reset input.
2. MAX8217CSD+: Higher voltage range and adjustable reset timeout period compared to MAX8215CSD+.
3. MAX8218CSD+: Offers dual voltage monitoring channels for monitoring multiple power supplies simultaneously.

These alternative models provide similar functionality with some additional features, catering to specific application requirements.

In conclusion, the MAX8215CSD+ is a precision voltage monitor and reset circuit that offers high accuracy, low power consumption, and flexibility in various digital systems. Its small package size and wide operating voltage range make it suitable for a wide range of applications.