PC817X2NIP1B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PC817X2NIP1B 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 PC817X2NIP1B 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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Core Functionality of PC817X2NIP1B
- Electrical Isolation: The primary function is to provide electrical isolation, protecting sensitive low-voltage components from high-voltage spikes.
- Optical Signal Transmission: Utilizes an LED and a phototransistor to transfer signals optically, eliminating direct electrical connectivity.
- Specifications: Typically, the PC817X2NIP1B operates within a 5V to 35V range, with the LED's forward current usually around 50mA.
Application Scenarios
- Microcontroller Interface: Commonly used for interfacing microcontrollers with high-voltage circuits, ensuring the safety of the microcontroller.
- Signal Isolation: Ideal for isolating signals in communication interfaces to prevent high-voltage noise interference.
Circuit Example: Microcontroller to High Voltage Circuit Interface
A detailed application of the PC817X2NIP1B in interfacing a microcontroller with a high-voltage circuit:
1. Circuit Goal
- Objective: To enable a microcontroller to interact with a high-voltage circuit while maintaining electrical isolation.
2. Input Side Configuration
- Microcontroller to Optocoupler: Connect a GPIO pin of the microcontroller to the anode of the PC817X2NIP1B's internal LED, including a resistor in series for current limitation. The cathode is connected to the ground.
3. Output Side Setup
- Optocoupler to High Voltage Circuit: The phototransistor part of the PC817X2NIP1B is used to control a high-voltage circuit element. The collector is connected to the positive voltage supply, and the emitter is connected to the control input of the high-voltage circuit.
4. Design Considerations
- Resistor Calculation: Crucial for controlling the LED's current, calculated based on the microcontroller's output voltage and the LED's forward voltage and current.
- Voltage Matching: Ensure that the high-voltage circuit's control input is compatible with the output of the phototransistor.
- Optocoupler's Ratings: Verify that the isolation voltage rating of the PC817X2NIP1B is suitable for the application.
In this application, the PC817X2NIP1B acts as a key component allowing a low-voltage microcontroller to safely control or interact with a high-voltage circuit. This highlights the optocoupler's role in modern electronic design, particularly in scenarios requiring robust electrical isolation. When designing circuits with this optocoupler, it's essential to consider the specific requirements of both the microcontroller and the high-voltage circuit to ensure optimal performance 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 PC817X2NIP1B.
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