HCPL-4534-500E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4534-500E is a high-speed optocoupler manufactured by Broadcom Limited. It features two independent channels within an 8-pin SOIC package, supporting surface-mount installation. The device provides a data rate of 1 Mb/s and offers an insulation voltage of 3750 Vrms. Key electrical parameters include a forward current of 25 mA, a forward voltage of 1.5 V, and a reverse voltage rating of 5 V. The output type is phototransistor with a maximum collector current of 8 mA. The current transfer ratio is specified at 24%, and power dissipation is rated at 45 mW. Operating temperatures range from -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture for simultaneous signal isolation
• High-speed data transmission capability up to 1 Mb/s
• Robust electrical isolation with 3750 Vrms insulation voltage
• Wide operating temperature range suitable for industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Signal isolation in communication interfaces
• Microcontroller input/output isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '500E' to ensure compliance with RoHS directives and reel packaging specifications. Confirm that the 8-pin SOIC footprint matches the target PCB design. Cross-reference the manufacturer datasheet for updated thermal derating curves and recommended soldering profiles to ensure assembly reliability.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a compact surface-mount form factor. The 1 Mb/s speed suits moderate-frequency digital signaling. Ensure the circuit design accommodates the 25 mA forward current requirement and utilizes appropriate pull-up resistors for the open-collector phototransistor outputs to achieve correct logic levels.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers from Broadcom. It complements other devices in the family by offering dual-channel functionality in a standard 8-pin package. It serves as a bridge between low-voltage digital circuits and higher-voltage isolated domains, providing galvanic isolation without compromising signal integrity at medium speeds.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include HCPL-4534 variants with different suffixes indicating package or tape/reel differences. Verify pinout compatibility and electrical parameter equivalence before substitution. Generic replacements must match the 8-pin SOIC footprint and 3750 Vrms isolation rating.