ACS725LLCTR-20AB-T Sensors, Transducers

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Current transducers are devices which convert an input current signal into a proportional output signal in the form of a voltage. The ACS725LLCTR-20AB-T is a low-cost, integrated Hall effect-based linear current transducer that offers a solution for AC or DC current sensing in industrial, automotive, commercial, and communications systems with high-accuracy current sensing in a small, electrically isolated package. The transducer is designed to sense the current in motor control applications where a maximum of twenty amperes must be monitored accurately. The ACS725LLCTR-20AB-T has a wide range of applications including motor control applications, power monitoring/metering, embedded systems, industrial motor control, systems, telecommunications, automotive applications, data acquisition systems, and HVAC systems.

The ACS725LLCTR-20AB-T utilizes Hall effect technology. It uses a magnetic field generated by the sensed current to sense the amount of current in the system. The Hall effect is created when a voltage is applied across a semiconductor material that has a magnetic field applied in the same direction. This voltage is then used to compute the amount of current in the system. This transducer offers excellent temperature stability and low non-linearity over its entire operating range.

The ACS725LLCTR-20AB-T has a digital output that provides an amplified linear output. This output provides an integrally isolated, amplified output for the conversion of the sensed current into a voltage signal. The integrated ADC senses the output and converts it into a digital voltage signal for easy integration into a variety of systems. The digital output offers improved accuracy in a wide operating temperature range.

The ACS725LLCTR-20AB-T also provides protection from false triggering due to noise or thermal drift. It has a temperature compensation feature which automatically adjusts the output based on the ambient temperature. This feature minimizes the effects of temperature on the measured current and ensures consistent performance in temperatures ranging from –25°C to +85°C. The device is also equipped with an undervoltage lockout which prevents it from producing its output until the input voltage is stable.

In addition, the ACS725LLCTR-20AB-T comes with a time delay feature which delays the output for a period of up to 25 ms. This allows the device to remain in a standby mode until the monitored current reaches the measured level. The time delay feature ensures that any sudden changes in current are detected and can be compensated by the device. The ACS725LLCTR-20AB-T is also equipped with a remote sense feature which can be used to offset any errors caused by line drops.

The ACS725LLCTR-20AB-T is an effective device for monitoring up to twenty amperes of current in systems such as motor control circuits and power monitoring. The device utilizes Hall effect technology to detect the current and provides an integrated and amplified output signal for easy integration into a variety of systems. It also offers excellent temperature stability and protection from false triggering and undervoltage lockout. The time delay and remote sense features make it an ideal choice for monitoring current in a wide range of applications.

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