ADM1191-2ARMZ-R7

Product Overview

Category

ADM1191-2ARMZ-R7 belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for power management and protection purposes.

Characteristics

• Voltage monitoring and protection
• Current monitoring and protection
• Overvoltage and undervoltage detection
• Fault reporting and shutdown control

Package

ADM1191-2ARMZ-R7 is available in a small form factor package, typically a 10-pin MSOP (Mini Small Outline Package).

Essence

The essence of ADM1191-2ARMZ-R7 lies in its ability to monitor and protect voltage and current levels in electronic systems.

Packaging/Quantity

This product is usually sold in reels or tubes containing a specific quantity, such as 250 or 1000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Current Monitoring Range: 0A to 3A
• Voltage Monitoring Range: 0V to 5V
• Fault Reporting: Open-drain output
• Shutdown Control: Active-low input

Detailed Pin Configuration

1. VIN: Power supply input
2. VOUT: Power supply output
3. GND: Ground reference
4. VSENSE: Current sense input
5. VSET: Voltage threshold setting
6. FAULT: Fault reporting output
7. EN: Enable/disable control input
8. SDA: I2C serial data input/output
9. SCL: I2C serial clock input
10. NC: No connection

Functional Features

• Voltage and current monitoring with programmable thresholds
• Fault detection and reporting
• Shutdown control for system protection
• I2C interface for configuration and control

Advantages

• Compact package size allows for space-efficient integration into electronic systems.
• Wide input voltage range enables compatibility with various power supply sources.
• Programmable thresholds provide flexibility in setting protection limits.
• I2C interface allows for easy configuration and monitoring.

Disadvantages

• Limited current monitoring range may not be suitable for high-power applications.
• Lack of built-in temperature monitoring limits comprehensive system protection.

Working Principles

ADM1191-2ARMZ-R7 operates by continuously monitoring the input voltage and current levels. It compares these values against programmable thresholds set by the user. If any monitored parameter exceeds the configured threshold, a fault condition is detected. The device then reports this fault through the FAULT pin and can initiate a shutdown sequence to protect the system from potential damage.

Detailed Application Field Plans

ADM1191-2ARMZ-R7 finds applications in various fields, including:

1. Power supplies: Ensuring stable voltage and current levels in DC power supplies.
2. Battery management: Protecting batteries from overvoltage or excessive current draw.
3. Industrial automation: Monitoring and controlling power distribution in industrial systems.
4. Automotive electronics: Safeguarding automotive circuits from voltage spikes and current surges.
5. Consumer electronics: Providing protection for sensitive electronic devices.

Detailed and Complete Alternative Models

1. ADM1191-1ARMZ-R7: Single-channel version of ADM1191-2ARMZ-R7.
2. ADM1191-4ARMZ-R7: Four-channel version of ADM1191-2ARMZ-R7.
3. ADM1191-8ARMZ-R7: Eight-channel version of ADM1191-2ARMZ-R7.

These alternative models offer similar functionality but differ in the number of channels available, allowing for greater flexibility in system design.

In conclusion, ADM1191-2ARMZ-R7 is a versatile electronic component that provides voltage and current monitoring, protection, and control features. Its compact size, programmable thresholds, and I2C interface make it suitable for various applications in different fields. However, its limited current monitoring range and lack of built-in temperature monitoring should be considered when selecting this product for specific high-power or temperature-sensitive applications.