MAX8213BCSE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX8213BCSE+ is a voltage monitor and reset circuit IC. It is designed to monitor the power supply voltage of electronic devices and provide a reset signal when the voltage falls below a certain threshold.

Characteristics: - Monitors power supply voltage - Provides reset signal - Low power consumption - Wide operating voltage range - Small package size

Package: The MAX8213BCSE+ is available in a small surface-mount package, denoted as SOIC-16. This package offers ease of integration into various electronic devices.

Essence: The essence of the MAX8213BCSE+ lies in its ability to ensure reliable operation of electronic devices by monitoring the power supply voltage and providing a reset signal when necessary.

Packaging/Quantity: The MAX8213BCSE+ is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Operating Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.2V to 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8213BCSE+ has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output
5. TH: Threshold adjust input
6. CT: Timeout adjust input
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
15. NC: No connection
16. NC: No connection

Functional Features

1. Voltage Monitoring: The MAX8213BCSE+ continuously monitors the power supply voltage and compares it to the user-adjustable threshold voltage.
2. Reset Signal Generation: When the power supply voltage falls below the threshold, the IC generates a reset signal, which can be used to initiate system resets or other necessary actions.
3. Adjustable Threshold and Timeout: The threshold voltage and timeout period can be adjusted using external resistors and capacitors, allowing customization for different applications.
4. Manual Reset Input: The MR pin allows for manual initiation of a reset signal, overriding the voltage monitoring function temporarily.

Advantages and Disadvantages

Advantages: - Reliable Power Supply Monitoring: Ensures proper operation of electronic devices by monitoring the power supply voltage. - Customizable Threshold and Timeout: Allows adaptation to various voltage requirements and system response times. - Low Power Consumption: Consumes minimal power during operation, contributing to energy efficiency. - Small Package Size: The compact SOIC-16 package enables easy integration into space-constrained designs.

Disadvantages: - Limited Reset Timeout Range: The adjustable timeout period is limited to a maximum of 640ms, which may not be sufficient for certain applications requiring longer timeouts. - Lack of Additional Functionality: The MAX8213BCSE+ primarily focuses on voltage monitoring and reset signal generation, lacking additional features found in more advanced ICs.

Working Principles

The MAX8213BCSE+ operates by continuously monitoring the power supply voltage through an internal voltage comparator. When the voltage falls below the user-defined threshold, the IC generates a reset signal. This signal remains active until the voltage rises above the threshold or a manual reset is initiated.

The threshold voltage and timeout period are adjustable using external resistors and capacitors connected to the TH and CT pins, respectively. These adjustments allow customization for specific voltage requirements and system response times.

Detailed Application Field Plans

The MAX8213BCSE+ finds applications in various electronic devices where reliable power supply monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper operation and preventing data corruption by initiating resets when the power supply voltage drops below a certain level.
2. Industrial Control Systems: Providing reliable reset signals to critical components in industrial control systems, safeguarding against voltage fluctuations.
3. Automotive Electronics: Monitoring the vehicle's power supply voltage and generating reset signals to prevent malfunctions or damage to sensitive electronic systems.
4. Battery-Powered Devices: Protecting battery-powered devices from operating at low voltages, prolonging battery life and preventing unexpected shutdowns.

Detailed and Complete Alternative Models

1. MAX823: Similar to the MAX8213BCSE+, but with a