ACPL-C78A-500E

The ACPL-C78A-500E is an optocoupler manufactured by Broadcom Inc., designed for high-speed data communication and isolation in various electronic applications. This component is part of the ACPL-C78A series, which is known for its robust performance and reliability in industrial and consumer electronics.

Key Features:

1. Isolation Voltage: The ACPL-C78A-500E provides a high level of electrical isolation, typically rated at 5000 Vrms. This ensures that the input and output circuits are electrically isolated, protecting sensitive components from voltage spikes and noise.

2. Data Rate: This optocoupler supports high-speed data transmission, with a typical data rate of up to 10 Mbps. This makes it suitable for applications requiring fast signal transfer, such as in communication systems and data acquisition.

3. Input and Output Configuration: The device features a photodiode and a phototransistor configuration. The input side consists of an LED that, when activated, emits light. This light is detected by the phototransistor on the output side, allowing for signal transfer without direct electrical connection.

4. Temperature Range: The ACPL-C78A-500E is designed to operate over a wide temperature range, typically from -40°C to +100°C. This makes it suitable for use in various environments, including industrial settings where temperature fluctuations can occur.

5. Package Type: The component is available in a compact, surface-mount package, which facilitates easy integration into printed circuit boards (PCBs) and helps save space in electronic designs.

6. Low Power Consumption: The optocoupler is designed to operate with low input current, which contributes to overall energy efficiency in electronic systems.

7. Applications: The ACPL-C78A-500E is commonly used in applications such as:

   • Signal isolation in data communication systems
   • Power supply feedback circuits
   • Microcontroller interfacing
   • Industrial automation and control systems
   • Motor control applications

Electrical Characteristics:

• Input Forward Current (IF): Typically around 10 mA
• Output Collector Current (IC): Can handle up to 50 mA
• Supply Voltage (VCC): Generally operates within a range of 4.5V to 20V

Conclusion:

The ACPL-C78A-500E from Broadcom Inc. is a versatile and reliable optocoupler that provides excellent isolation and high-speed data transfer capabilities. Its robust design and wide operating temperature range make it an ideal choice for a variety of applications in both industrial and consumer electronics. Whether used in signal isolation or interfacing applications, this optocoupler is engineered to meet the demands of modern electronic systems.