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Last Updated: Apr 26, 2025 | Study Period: 2023-2030
An optocoupler (also known as an optoisolator) is a semiconductor device that transmits an electrical signal between two isolated circuits. An optocoupler consists of two parts: an LED that generates infrared light and a photosensitive device that detects light from the LED.
Both pieces are housed in a black box with connecting pins. The input circuit receives an incoming signal, whether AC or DC, and utilizes it to turn on the LED.
The photosensor is the output circuit that detects light, and the output will be AC or DC depending on the kind of output circuit. First, current is delivered to the optocoupler, causing the LED to generate infrared light proportional to the current flowing through it.
When light strikes the photosensor, a current is conducted and the device is turned on. The IR beam is switched off when the current running through the LED is disrupted, forcing the photosensor to stop conducting.
The difference between the fTheir optocoupler variants is the photosensitive device employed. Photo-transistors and Photo-Darlington are common in DC circuits, whereas Photo-SCR and Photo-TRIAC are common in AC circuits. The transistor in the photo-transistor optocoupler might be PNP or NPN.
The Darlington transistor is a two-transistor pair in which one transistor controls the base of the other. The Darlington transistor has a high gain capability.Although the terms optocoupler and opto isolator are frequently used interchangeably, there is a distinction between the two.
An optocoupler, also known as an opto-isolator, photocoupler, or optical isolator, is a component that uses light to carry electrical signals between two separated circuits. A digital CMOS isolator is a component that uses a high-frequency carrier to transport electrical signals between two isolated circuits.
An Optocoupler may efficiently remove electrical noise from signals when utilized appropriately. Keep low-voltage devices apart from high-voltage circuits. Allows to utilize tiny digital signals to manage bigger alternating current voltages.
Optocoupler characteristics, like discrete semiconductor device characteristics, are a series of curves that relate the voltage and current passing through it.
An optocoupler has two separate devices: a diode on the input side and a photo transistor on the output side.A few optocouplers are employed in DC circuits, whereas others are used in AC-related processes. Because the Optocoupler does not enable direct electrical connection between two sides, its primary function is to separate two circuits.
From switching other applications, the Optocoupler may be utilized in the same way that a transistor can. It may be employed in a variety of microcontroller-related processes where digital pulses or analogue information are required from high voltage circuits. Optocouplers can provide good isolation between these two.
TheGlobal Automotive Digital Optocoupler Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Avago Technologies, a leading producer of analogue interface components for communications, industrial, and consumer applications, has unveiled three new digital optocouplers optimized for use in hybrid and electric car onboard chargers and other high-voltage systems.
The new ACPL-K4xT optocouplers have been AEC-Q100 Grade 1 stress tested for automotive applications. The devices provide stable operating voltage performance, enabling for the standardization of battery management systems for mid-voltage car batteries, high-voltage bus and truck batteries, and potentially future high voltage battery topologies.
The ACPL-K4xT optocouplers are part of the Avago R2Coupler family, which has reinforced insulation for dependable signal isolation, which is crucial for onboard chargers for plug-in electric vehicles and other automotive and high-temperature industrial applications.
To charge fast, onboard chargers require a high-voltage, high-current supply, requiring substantial isolation of peak transients.
The optocouplers strengthened insulation satisfies these high standards, providing safe electrical signal separation across a wide working temperature range. Furthermore, the tiny surface-mount packaging of the devices fits the creepage and clearance distance requirements for high-voltage safety rules.
The ACPL-K4xT optocoupler low power consumption helps prevent battery management systems from depleting car batteries. The gadgets have no quiescent current and hence use no power when turned off. In addition, for low-speed switching operation, the current consumption of both their LED and detector IC may be minimized.
Their new R2Coupler devices are yet another industry first for Avago, and they expand Their leading automotive-grade solutions for higher-voltage systems in the hybrid and electric car markets.
| Sl no | Topic |
| 1 | Market Segmentation |
| 2 | Scope of the report |
| 3 | Abbreviations |
| 4 | Research Methodology |
| 5 | Executive Summary |
| 6 | Introduction |
| 7 | Insights from Industry stakeholders |
| 8 | Cost breakdown of Product by sub-components and average profit margin |
| 9 | Disruptive innovation in the Industry |
| 10 | Technology trends in the Industry |
| 11 | Consumer trends in the industry |
| 12 | Recent Production Milestones |
| 13 | Component Manufacturing in US, EU and China |
| 14 | COVID-19 impact on overall market |
| 15 | COVID-19 impact on Production of components |
| 16 | COVID-19 impact on Point of sale |
| 17 | Market Segmentation, Dynamics and Forecast by Geography, 2023-2030 |
| 18 | Market Segmentation, Dynamics and Forecast by Product Type, 2023-2030 |
| 19 | Market Segmentation, Dynamics and Forecast by Application, 2023-2030 |
| 20 | Market Segmentation, Dynamics and Forecast by End use, 2023-2030 |
| 21 | Product installation rate by OEM, 2023 |
| 22 | Incline/Decline in Average B-2-B selling price in past 5 years |
| 23 | Competition from substitute products |
| 24 | Gross margin and average profitability of suppliers |
| 25 | New product development in past 12 months |
| 26 | M&A in past 12 months |
| 27 | Growth strategy of leading players |
| 28 | Market share of vendors, 2023 |
| 29 | Company Profiles |
| 30 | Unmet needs and opportunity for new suppliers |
| 31 | Conclusion |
| 32 | Appendix |
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