AMC1305M05QDWRQ1

Product Overview

Category

The AMC1305M05QDWRQ1 belongs to the category of integrated isolated current sensors.

Use

This product is primarily used for accurate current sensing in various applications, including motor control, power inverters, and industrial automation systems.

Characteristics

• Integrated isolation technology ensures galvanic isolation between the primary current and the secondary circuit.
• High accuracy and linearity over a wide temperature range.
• Low offset voltage and low drift, ensuring precise current measurements.
• Compact package design for easy integration into existing systems.
• Robust construction for reliable performance in harsh environments.

Package

The AMC1305M05QDWRQ1 comes in a small outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to accurately measure current while providing galvanic isolation, ensuring safety and reliability in various applications.

Packaging/Quantity

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

Specifications

• Supply Voltage: 3.3 V
• Isolation Voltage: 5000 Vrms
• Input Current Range: ±5 A
• Output Type: Digital
• Operating Temperature Range: -40°C to +125°C
• Accuracy: ±0.5% full-scale range

Detailed Pin Configuration

The AMC1305M05QDWRQ1 has the following pin configuration:

1. VDDA: Analog power supply
2. VSSA: Analog ground
3. VDD: Digital power supply
4. VSS: Digital ground
5. VOUT: Digital output
6. NC: Not connected
7. NC: Not connected
8. NC: Not connected
9. NC: Not connected
10. NC: Not connected
11. VREF: Reference voltage input
12. VINN: Negative input terminal
13. VIP: Positive input terminal
14. NC: Not connected
15. NC: Not connected
16. NC: Not connected

Functional Features

• Integrated isolation technology ensures safety and eliminates the need for additional isolation components.
• High accuracy and linearity enable precise current measurements.
• Low offset voltage and low drift provide stable and reliable performance over time.
• Digital output simplifies integration with microcontrollers and digital systems.

Advantages and Disadvantages

Advantages

• Accurate current sensing with galvanic isolation.
• Compact package design for easy integration.
• Wide operating temperature range.
• Low offset voltage and drift for precise measurements.
• Digital output for simplified integration.

Disadvantages

• Limited input current range (±5 A).
• Requires external reference voltage for optimal performance.

Working Principles

The AMC1305M05QDWRQ1 utilizes Hall-effect technology to measure current. The primary current flowing through the device generates a magnetic field, which is sensed by the integrated Hall-effect sensor. This sensed magnetic field is then converted into a proportional voltage signal, which is isolated from the primary circuit using integrated isolation technology. The resulting digital output provides an accurate representation of the primary current.

Detailed Application Field Plans

The AMC1305M05QDWRQ1 finds applications in various fields, including:

1. Motor control systems: Accurate current sensing enables precise control of motor speed and torque, improving overall system efficiency.
2. Power inverters: The product ensures accurate measurement of current in power conversion processes, enhancing system reliability and performance.
3. Industrial automation systems: Current sensing is crucial for monitoring and controlling industrial machinery, ensuring safe and efficient operation.

Detailed and Complete Alternative Models

1. AMC1305M10QDWRQ1: Similar to the AMC1305M05QDWRQ1, but with an extended input current range of ±10 A.
2. AMC1306M05QDWRQ1: A variant with dual-channel current sensing capability for applications requiring simultaneous measurement of two currents.
3. AMC1311M05QDWRQ1: Offers similar functionality but with higher isolation voltage and improved accuracy.

These alternative models provide options with different specifications to suit specific application requirements.

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