AMC1304L25DWR

Product Overview

Category

The AMC1304L25DWR belongs to the category of integrated isolated current sensors.

Use

It is primarily used for measuring and monitoring AC and DC currents in various applications.

Characteristics

• Integrated isolation technology for enhanced safety and noise immunity.
• High accuracy and linearity over a wide temperature range.
• Low power consumption for energy efficiency.
• Compact package for space-constrained designs.
• Robust construction for reliable operation in harsh environments.

Package

The AMC1304L25DWR is available in a small form factor, surface-mount package.

Essence

The essence of the AMC1304L25DWR lies in its ability to accurately measure current while providing electrical isolation between the measured current and the measurement circuitry.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Current Range: ±25 A
• Supply Voltage: 3.3 V
• Isolation Voltage: 4000 Vrms
• Bandwidth: 80 kHz
• Accuracy: ±1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AMC1304L25DWR has the following pin configuration:

1. VDDA: Analog Power Supply
2. VDDIO: Digital Power Supply
3. GND: Ground
4. VDDO: Output Power Supply
5. NC: No Connection
6. OUTN: Negative Output
7. OUTP: Positive Output
8. VINN: Negative Input
9. VIP: Positive Input

Functional Features

• Integrated sigma-delta modulator for high-resolution digital output.
• Built-in digital filters for improved noise rejection.
• On-chip voltage reference for accurate measurements.
• Low offset and gain drift for stable performance over time.

Advantages and Disadvantages

Advantages

• High accuracy and linearity ensure precise current measurements.
• Integrated isolation technology enhances safety and noise immunity.
• Compact package allows for space-efficient designs.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited input current range may not be suitable for high-current applications.
• Higher cost compared to non-isolated current sensors.
• Requires additional circuitry for signal conditioning and data conversion.

Working Principles

The AMC1304L25DWR utilizes a Hall-effect sensor to measure the magnetic field generated by the current flowing through the primary conductor. This magnetic field is then converted into an electrical signal, which is further processed using integrated circuitry. The integrated isolation technology ensures that the measured current is electrically isolated from the measurement circuitry, providing safety and noise immunity.

Detailed Application Field Plans

The AMC1304L25DWR finds application in various fields, including:

1. Industrial automation: Current monitoring in motor control systems, power supplies, and inverters.
2. Renewable energy: Current measurement in solar inverters, wind turbines, and battery management systems.
3. Electric vehicle charging: Monitoring of charging currents in EV charging stations.
4. Power distribution: Current sensing in switchgear, circuit breakers, and power meters.
5. Medical equipment: Current monitoring in patient monitoring systems and medical imaging devices.

Detailed and Complete Alternative Models

1. AMC1304L25DWVR: Similar specifications but available in a smaller package.
2. AMC1304L10DWR: Lower input current range (±10 A) with similar features.
3. AMC1304L05DWR: Further reduced input current range (±5 A) while maintaining key characteristics.

These alternative models provide flexibility in selecting the appropriate current sensor based on specific application requirements.

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