PC817X4NIP1B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PC817X4NIP1B price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PC817X4NIP1B to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.
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Functional Role of the PC817X4NIP1B
- Isolation Efficiency: The main function of this chip is to provide electrical isolation, which is essential for protecting sensitive electronic components from high voltage transients.
- Optical Communication: It employs an LED and a phototransistor to optically transmit signals, thus eliminating direct electrical connectivity.
- Specification Highlights: Typically, the PC817X4NIP1B operates in a range of 5V to 35V, with the LED's forward current around 50mA.
Application Areas
- Interface in Control Systems: Widely used in control systems where it is necessary to isolate control logic from high-power circuits.
- Microcontroller Interfacing: Ideal for safely connecting microcontrollers with higher voltage or electrically noisy environments.
Circuit Application: Microcontroller to High Voltage Interface
Let's examine a detailed implementation of the PC817X4NIP1B in interfacing a microcontroller with a high-voltage circuit:
1. Circuit Objective
- Purpose: To enable a microcontroller to interact with a high-voltage circuit while ensuring electrical isolation.
2. Input Connectivity
- Microcontroller to Optocoupler: Link a digital output pin of the microcontroller to the anode of the PC817X4NIP1B's internal LED. Include a resistor in series for current limitation. Connect the cathode to the ground.
3. Output Arrangement
- Optocoupler to High Voltage Circuit: The phototransistor in the PC817X4NIP1B is used to control a high-voltage circuit element. The collector should be connected to the high-voltage circuit, and the emitter to the common ground.
4. Design Elements to Consider
- Correct Resistor Value: It's vital to choose the right resistor for the LED to regulate current based on the microcontroller's output and the LED's specifications.
- High Voltage Handling: The output circuit should be designed to handle high voltages safely.
- Optocoupler's Ratings: Check the PC817X4NIP1B's maximum isolation voltage and current ratings to ensure they meet the requirements of the high-voltage circuit.
In this specific use case, the PC817X4NIP1B serves as a crucial component that allows a low-voltage microcontroller to safely control or interface with a high-voltage circuit. This example underscores the optocoupler's importance in modern electronic design, particularly in scenarios requiring robust electrical isolation. When designing circuits with this optocoupler, it's imperative to consider the electrical characteristics of both the input and output systems to ensure effective operation and safety.
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of PC817X4NIP1B.
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