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AMC1305M25DWR
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AMC1305M25DWR

Product Overview

Category

The AMC1305M25DWR 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 for precise current measurements.
  • Wide input voltage range for compatibility with different systems.
  • Low power consumption for energy efficiency.
  • Compact package for easy integration into circuit designs.

Package

The AMC1305M25DWR comes in a small form factor package, which ensures space-saving installation.

Essence

The essence of the AMC1305M25DWR lies in its ability to accurately measure currents while providing electrical isolation between the measured current and the measurement circuitry.

Packaging/Quantity

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

Specifications

  • Input Current Range: ±25A
  • Supply Voltage Range: 3V to 5.5V
  • Isolation Voltage: 4000Vrms
  • Operating Temperature Range: -40°C to +125°C
  • Output Type: Analog
  • Response Time: <10µs

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. VIN+: Positive input terminal for current measurement
  4. VIN-: Negative input terminal for current measurement
  5. VOUT: Analog output voltage

Functional Features

  • High accuracy current sensing
  • Electrical isolation between input and output
  • Low power consumption
  • Fast response time
  • Wide operating temperature range

Advantages

  • Enhanced safety due to isolation technology
  • Precise current measurements
  • Compatibility with various voltage ranges
  • Energy-efficient operation
  • Compact size for easy integration

Disadvantages

  • Limited input current range (±25A)
  • Analog output requires additional signal conditioning for digital applications

Working Principles

The AMC1305M25DWR utilizes a Hall-effect sensor to measure the magnetic field generated by the current flowing through the input terminals. This magnetic field is then converted into an analog voltage proportional to the input current. 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 AMC1305M25DWR finds applications in various fields, including:

  1. Industrial automation: Current monitoring in motor control systems, power supplies, and inverters.
  2. Renewable energy: Current sensing in solar inverters, wind turbines, and battery management systems.
  3. Electric vehicles: Current measurement in motor drives, battery chargers, and power distribution systems.
  4. Power electronics: Current monitoring in DC-DC converters, AC-DC converters, and uninterruptible power supplies.

Detailed and Complete Alternative Models

  1. AMC1305M05: Similar to AMC1305M25DWR but with a lower input current range of ±5A.
  2. AMC1306M25: Offers similar features as AMC1305M25DWR but with a different pin configuration.
  3. AMC1311M25: Provides isolated current sensing with higher accuracy and a wider input voltage range.

Note: The above alternative models are just a few examples, and there are several other options available in the market.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af AMC1305M25DWR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of AMC1305M25DWR in technical solutions:

  1. Question: What is the AMC1305M25DWR?
    Answer: The AMC1305M25DWR is a precision, isolated delta-sigma modulator with an integrated digital filter. It is commonly used for current sensing applications.

  2. Question: What is the operating voltage range of the AMC1305M25DWR?
    Answer: The AMC1305M25DWR operates from a single 3.3V or 5V power supply.

  3. Question: Can the AMC1305M25DWR measure both AC and DC currents?
    Answer: Yes, the AMC1305M25DWR can accurately measure both AC and DC currents.

  4. Question: What is the maximum input current that the AMC1305M25DWR can handle?
    Answer: The AMC1305M25DWR can handle input currents up to ±250 mA.

  5. Question: How does the AMC1305M25DWR achieve isolation?
    Answer: The AMC1305M25DWR achieves isolation through its integrated capacitive isolation barrier, which provides galvanic isolation between the input and output.

  6. Question: What is the resolution of the AMC1305M25DWR?
    Answer: The AMC1305M25DWR has a resolution of 16 bits.

  7. Question: Can the AMC1305M25DWR be used in high-temperature environments?
    Answer: Yes, the AMC1305M25DWR is designed to operate in temperatures ranging from -40°C to +125°C.

  8. Question: Does the AMC1305M25DWR require external calibration?
    Answer: No, the AMC1305M25DWR is factory-calibrated and does not require external calibration.

  9. Question: What is the output interface of the AMC1305M25DWR?
    Answer: The AMC1305M25DWR provides a digital output interface, compatible with SPI communication.

  10. Question: Can the AMC1305M25DWR be used in high-voltage applications?
    Answer: Yes, the AMC1305M25DWR is designed to withstand high common-mode voltage up to 1200VPEAK.

Please note that these answers are general and may vary depending on the specific application and requirements.