MAX691ACPE+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitor
• Characteristics: High accuracy, low power consumption
• Package: 16-pin PDIP (Plastic Dual In-line Package)
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage Range: +4.5V to +5.5V
• Reset Threshold Voltage: Adjustable from 2.5V to 4.625V
• Reset Timeout Period: Adjustable from 140ms to 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground reference
2. MR: Manual Reset Input
3. RESET: Active-Low Reset Output
4. VCC: Positive Supply Voltage
5. VCC: Positive Supply Voltage
6. VCC: Positive Supply Voltage
7. VCC: Positive Supply Voltage
8. VCC: Positive Supply Voltage
9. VCC: Positive Supply Voltage
10. VCC: Positive Supply Voltage
11. VCC: Positive Supply Voltage
12. VCC: Positive Supply Voltage
13. VCC: Positive Supply Voltage
14. VCC: Positive Supply Voltage
15. VCC: Positive Supply Voltage
16. VCC: Positive Supply Voltage

Functional Features

• Monitors the power supply voltage continuously
• Provides a reset signal when the voltage drops below the set threshold
• Adjustable reset threshold and timeout period
• Low power consumption
• Wide operating temperature range

Advantages and Disadvantages

Advantages: - High accuracy in monitoring power supply voltage - Adjustable reset threshold and timeout period for flexibility - Low power consumption helps conserve energy - Wide operating temperature range allows usage in various environments

Disadvantages: - Limited to a specific supply voltage range (+4.5V to +5.5V) - Only available in a 16-pin PDIP package

Working Principles

The MAX691ACPE+ is designed to monitor the voltage level of a power supply. It compares the supply voltage with an internally set threshold voltage. When the supply voltage falls below this threshold, the device generates a reset signal. This reset signal can be used to initiate a system reset or perform other necessary actions.

Detailed Application Field Plans

The MAX691ACPE+ finds applications in various fields where reliable power supply monitoring is crucial. Some potential application areas include:

1. Embedded Systems: Ensures proper functioning by resetting the system when the power supply voltage drops below a certain level.
2. Industrial Automation: Monitors power supplies in control systems, preventing malfunctions due to voltage fluctuations.
3. Automotive Electronics: Protects sensitive electronic components from damage caused by unstable power supply conditions.
4. Medical Devices: Ensures the safe operation of medical equipment by providing a reset signal during power supply anomalies.

Detailed and Complete Alternative Models

1. MAX691A - Similar functionality with different package options (SOIC, TSSOP)
2. MAX690 - Lower voltage range (2.7V to 5.5V) with adjustable reset threshold
3. MAX809 - Single-supply microprocessor reset circuits with fixed reset threshold

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