HCPL-M454

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-M454 is a single-channel high-speed transistor output optocoupler manufactured by Broadcom Limited. It features a 1 Mb/s data rate and provides 3750 Vrms isolation voltage between input and output circuits. The device utilizes a phototransistor output with a typical current transfer ratio of 65% at 25 mA forward current. It operates within a temperature range of 0°C to +70°C and dissipates up to 100 mW. Packaged in a surface-mount SOIC-5 (MO-155) footprint, it supports a maximum forward current of 25 mA and an output current of 8 mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High common-mode rejection capability for noise immunity
• Guaranteed propagation delay difference for precise timing control
• Short propagation delays suitable for fast switching applications

Transistor, Photovoltaic Output Optoisolators Applications

• Intelligent Power Module (IPM) inverter dead time control
• Industrial motor drive interfaces
• Frequency inverter timing synchronization

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify RoHS compliance status as the base part number may have non-compliant variants; check for the -xxxE suffix for lead-free options. Confirm availability as the component is listed as discontinued or restricted supply by major distributors. Ensure the specific package variant matches the required PCB footprint before ordering.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed signal transmission with galvanic isolation is required for power electronics. The guaranteed propagation delay difference makes it suitable for bridge driver applications where timing accuracy is critical. Compare against similar models like the HCPL-M453 if different current transfer ratios are needed.

Transistor, Photovoltaic Output Optoisolators Part Context

The HCPL-M454 belongs to Broadcom's HCPL series of high-speed optocouplers. It shares architectural similarities with other transistor-output devices in the family but distinguishes itself through optimized propagation characteristics. This series is designed specifically for demanding industrial and power conversion environments requiring reliable signal isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The HCPL-M453-000E is a documented substitute within the same product family, offering similar speed and isolation specifications.