HCPL-3180-060

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Isolators are devices commonly used in industrial automation and control systems with the goal of creating isolating channel between two sets of circuits. In a digital electronic system, this is accomplished through coupling devices such as high-speed digital optocouplers, also known as optoisolators, gate drivers, and solid insulated transformers (ISOs). The HCPL-3180-060 is an optocoupler belonging to this family, being a logic-input optocoupler capable of transferring digital signals from one side to another at high speed.

The device collects the digital signal received from a logic gate and transfers it to a complementary logic gate on the other side, all the while maintaining complete electrical isolation between both sides of the circuit. In comparison to other isolators, such as gate drives, this device is very flexible as it has an integrated adjustable current gain, the current gain handling being programmable via a resistor, allowing you to select the right driver current range for switching requirements and voltage level.

The main specific feature of the HCPL-3180-060 is its saturated transfer current, with default levels between 2.5 and 15 mA, and it being capable of switching up to 1,000 V pulses. It also implements LED circuitry with forward-voltage regulation to maintain precise, consistent transfer characteristics despite LED aging and DC-input shifts, thus making the device ideal for different types of adjustable, high-speed control loop compensation and position control systems.

In terms of operation principle, the HCPL-3180-060 comprises two sections, a phototransistor input stage and a MOSFET output stage. When the phototransistor is receiving a voltage, its current increases and this current is then transformed into MOSFET current that is higher than the one received for the MOSFET, providing the necessary energy to transfer the signal. Each channel of the device contains two LED and two MOSFET devices, thus allowing for self-selecting positive- and negative-current drive, providing isolation without the need for manual programming.

Finally, the HCPL-3180-060 integrates an 8-pin DIP package, which not only provides effective protection against environmental conditions, but also makes assembly easy. As an added bonus, this device has a high common mode transient immunity of 10 kV/μs. This makes it the perfect choice for harsh, industrial environments where such immunity would otherwise have to be provided via expensive and bulky components.

In conclusion, the HCPL-3180-060 optocoupler is an excellent choice for digital control systems requiring multiple channels of isolation. Its saturated transfer current range makes it capable of switching up to 1,000 V pulses, while its integrated adjustable current gain allows for precise switching between levels and it can also provide isolation without the need for manual programming. In addition, its 8-pin DIP package provides excellent protection against environmental conditions, while its 10 kV/μs common mode transient immunity makes it suitable for harsh, industrial environments.

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