Broadcom ACPL-K378 Voltage/Current Detector Optocouplers

Introduction

The Broadcom ACPL-K378 is a sophisticated optocoupler designed for voltage and current detection applications. With its adjustable thresholds and robust features, it provides reliable performance in various electronic systems, ensuring safety and efficiency.

Part Description

The ACPL-K378 is an isolated voltage/current detector optocoupler that utilizes threshold-sensing input buffer ICs. This component allows for adjustable upper and lower thresholds, making it versatile for a wide range of input voltages with just a single external resistor. Key features include built-in hysteresis for enhanced noise immunity, switching immunity, and protection against overvoltage and overcurrent transients. The device operates within a temperature range of -40°C to +105°C and offers TTL-compatible output, making it suitable for industrial applications. The optocoupler is packaged in an SSO-8 format and is UL 1577 recognized for reinforced insulation.

Applications

• Limit switch sensing
• Low-voltage detectors
• AC mains and DC link voltage detection
• Relay contact monitors
• Relay coil voltage monitors
• Current sensing
• Microprocessor interfacing

Industries

• Industrial automation
• Consumer electronics
• Telecommunications
• Automotive
• Medical devices
• Power management systems

Usage Ideas

1. Industrial Control Systems: Use the ACPL-K378 to monitor relay contacts in an industrial control panel, ensuring that the system operates within safe voltage and current levels.
2. Home Automation: Integrate the optocoupler into a smart home device to detect AC mains voltage, providing feedback for energy management systems.
3. Battery Management Systems: Employ the ACPL-K378 for low-voltage detection in battery-powered devices, ensuring that the system can safely shut down before the battery is fully depleted.

Conclusion

The Broadcom ACPL-K378 Voltage/Current Detector Optocouplers are essential components for applications requiring precise voltage and current monitoring. With their adjustable thresholds, robust noise immunity, and wide operational range, they are ideal for various industries, ensuring safety and reliability in electronic systems. Whether in industrial automation or consumer electronics, the ACPL-K378 stands out as a versatile solution for modern electronic designs.