HCNR201-550E

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The HCNR201-550E is an optoisolator that incorporates transistor and photovoltaic outputs. It is classified as a high speed optoisolator; able to have a high data rate of up to 400Kbps. This optical isolation component performs its function by providing electrical isolation to both data and signal inputs and outputs, even at high speeds; featuring forward blocking up to 25kV/μs and reverse blocking at 5kV/μs.

The HCNR201-550E is ideal for power inverter applications, specifically when isolation of motor control signals is essential. It is widely used in microprocessor systems, motor control circuits, and general applications that need signal isolation between input and output circuits. The optoisolator is also well suited for use in industrial applications; safe to use for monitoring environments with a smallfootprint, adjustable sensitivity down to 1mV for AC signals and 1μA for DC signals, and handling a wide range of supply voltages from 12-240V for AC and 6-30V for DC.

The input of the HCNR201-550E includes a transistor phase shift output and a four way photovoltaic output. The transistor section of the input has a source and a sink output, both able to pass 8mA source/sink drive current. The photovoltaic module section provides four output channels, with high speed transfer performance and low supply current, and is powered by separate supply pins for each pair; neg and pos control.

To understand the working principle of the HCNR201-550E, we can look at the transitor phase shift output. The optoisolator is composed of a combination of a photodiode and a field effect transistor (FET) circuitry that’s designed to convert input light signals from one side to electrical output signals on the other side. To begin with, the HCNR201-550E utilizes a photodiode to detect light signals that are produced by the input circuitry. Once the light signals enter the optoisolator, they are converted to electrical signals by a FET transistor, which then sends feedback electrical signals to the output circuitry.

Next, let’s look at the four way photovoltaic output. Here, a phototransistor is used to detect the light signals that are generated by the input circuit. The phototransistor will then convert the light signals to electrical signals, which are configured into two input pairs. An isolation amplifier is used to separately amplify each input pair, and the results from the amplifier are then sent to the output circuitry. The amplifier used is able to adjust its gain depending on the light level, meaning it can be optimized for the desired application.

In summary, the HCNR201-550E is a high speed optoisolating component that provides electrical isolation for data and signal inputs and outputs. Its four way photovoltaic output and transistor phase shift output make it uniquely suitable for power inverter applications and other industrial applications. It features adjustable sensitivity and a wide input voltage range, and utilizes a combination of photodiode and field effect transistor circuitry to convert input light signals to electrical output signals.

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