ADM1178-1ARMZ-R7

Product Overview

Category

ADM1178-1ARMZ-R7 belongs to the category of integrated circuit (IC) voltage and current monitors.

Use

This product is primarily used for monitoring and controlling voltage and current levels in various electronic systems.

Characteristics

• Integrated circuit voltage and current monitor
• High accuracy and precision measurements
• Wide operating voltage range
• Low power consumption
• Small form factor
• Easy integration into existing systems

Package

ADM1178-1ARMZ-R7 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ADM1178-1ARMZ-R7 lies in its ability to accurately monitor and control voltage and current levels in electronic systems, ensuring optimal performance and protection against potential faults or failures.

Packaging/Quantity

This product is typically packaged in reels containing a specified quantity of units, as per customer requirements.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Range: 0V to VDD
• Current Measurement Range: 0A to 10A
• Accuracy: ±0.5% (typical)
• Output Interface: I2C/SMBus

Detailed Pin Configuration

ADM1178-1ARMZ-R7 features the following pin configuration:

1. VIN+ (Positive Input Voltage)
2. VIN- (Negative Input Voltage)
3. VDD (Supply Voltage)
4. GND (Ground)
5. SDA (I2C Data Line)
6. SCL (I2C Clock Line)
7. ALERT (Alert Output)
8. NC (No Connection)

Functional Features

• Accurate voltage and current monitoring
• Overvoltage and undervoltage detection
• Overcurrent protection
• Fault detection and reporting
• Programmable alert thresholds
• I2C/SMBus interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages

• High accuracy measurements ensure precise monitoring and control of voltage and current levels.
• Wide operating voltage range allows compatibility with various electronic systems.
• Low power consumption minimizes energy usage and extends battery life.
• Small form factor enables easy integration into space-constrained applications.
• Programmable alert thresholds provide flexibility in system design.

Disadvantages

• Limited current measurement range may not be suitable for high-power applications.
• Requires additional external components for proper operation.
• Relatively higher cost compared to some alternative models.

Working Principles

ADM1178-1ARMZ-R7 operates by measuring the voltage across a shunt resistor connected in series with the load. It utilizes an internal precision amplifier and analog-to-digital converter (ADC) to accurately measure the voltage drop across the shunt resistor, which is proportional to the current flowing through the load. The measured values are then processed and communicated via the I2C/SMBus interface.

Detailed Application Field Plans

ADM1178-1ARMZ-R7 finds applications in various fields, including:

1. Power supply units: Monitoring and controlling voltage and current levels in power supplies to ensure stable and efficient operation.
2. Battery management systems: Monitoring battery charging and discharging currents to prevent overcharging or excessive discharge.
3. Motor control systems: Monitoring motor currents to protect against overload conditions and optimize motor performance.
4. Industrial automation: Monitoring and controlling current levels in industrial equipment to ensure safe and reliable operation.
5. Automotive electronics: Monitoring current consumption in automotive systems to optimize energy efficiency and detect faults.

Detailed and Complete Alternative Models

1. INA219: Similar functionality with a wider current measurement range.
2. ACS712: Provides both AC and DC current measurement capabilities.
3. MAX471: Offers a compact form factor with integrated current sensing.

These alternative models provide similar voltage and current monitoring capabilities, each with their own unique features and specifications.

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