ISL28025FR12Z

Product Overview

Category

The ISL28025FR12Z belongs to the category of integrated circuit (IC) sensors.

Use

This product is primarily used for measuring and monitoring current in various electronic systems.

Characteristics

• High accuracy: The ISL28025FR12Z offers precise current measurement with low offset and gain error.
• Wide dynamic range: It can measure currents ranging from microamps to several amps.
• Low power consumption: The IC sensor operates at a low supply voltage, minimizing power consumption.
• Temperature stability: The device maintains accurate measurements over a wide temperature range.
• Small package size: The ISL28025FR12Z comes in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The ISL28025FR12Z is available in a small form factor package, such as a QFN or SOIC. The exact package type may vary depending on the manufacturer. Typically, this product is sold in reels or trays containing multiple units.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Current Measurement Range: ±10A
• Accuracy: ±0.5% of full-scale range
• Operating Temperature Range: -40°C to +125°C
• Output Interface: I2C or SMBus

Pin Configuration

The ISL28025FR12Z has a specific pin configuration that enables its functionality. The following table provides a detailed description of each pin:

| Pin Name | Description | | --- | --- | | VDD | Power supply input | | GND | Ground reference | | SDA | Serial data line for I2C communication | | SCL | Serial clock line for I2C communication | | ALERT | Interrupt output indicating fault conditions | | VIN+ | Positive terminal for current measurement | | VIN- | Negative terminal for current measurement |

Functional Features

• Current Measurement: The ISL28025FR12Z accurately measures the current flowing through the VIN+ and VIN- terminals.
• Fault Detection: The device can detect overcurrent, undervoltage, and other fault conditions, providing an ALERT signal to the system.
• Temperature Monitoring: The IC sensor incorporates a temperature sensor to compensate for variations in ambient temperature.
• Digital Interface: The ISL28025FR12Z communicates with the host microcontroller using the I2C or SMBus interface.

Advantages and Disadvantages

Advantages

• High accuracy ensures precise current measurements.
• Wide dynamic range allows for versatile applications.
• Low power consumption minimizes energy usage.
• Compact package size enables integration into space-constrained designs.
• Fault detection enhances system reliability.

Disadvantages

• Limited current measurement range compared to specialized current sensors.
• Requires additional circuitry for voltage measurement if needed.

Working Principles

The ISL28025FR12Z utilizes the Hall effect principle to measure current. When a current flows through the VIN+ and VIN- terminals, a magnetic field is generated perpendicular to the direction of the current. This magnetic field induces a voltage across an integrated Hall sensor, which is then converted into a digital value by internal circuitry.

Application Field Plans

The ISL28025FR12Z finds application in various fields, including but not limited to: 1. Power management systems 2. Battery monitoring systems 3. Motor control units 4. Industrial automation 5. Energy monitoring devices

Alternative Models

Several alternative models are available in the market that offer similar functionality to the ISL28025FR12Z. Some notable alternatives include: - ACS712 by Allegro Microsystems - INA219 by Texas Instruments - MAX471 by Maxim Integrated

These alternative models provide comparable current measurement accuracy and features, catering to different design requirements.

In conclusion, the ISL28025FR12Z is a highly accurate integrated circuit sensor used for current measurement in various electronic systems. Its compact size, wide dynamic range, and low power consumption make it suitable for diverse applications. However, designers should consider alternative models based on specific project needs.