HCPL-4534-500E

HCPL-4534-500E is a Broadcom/Avago optically isolated digital isolator (multi-channel). It provides galvanic isolation between the input (logic) side and the output (logic) side, protecting low‑voltage circuitry from high‑voltage/noise.
Key points:
- The “-500E” suffix denotes 5 kV RMS isolation and Pb-free (RoHS) packaging.
- It contains multiple isolated channels with TTL/CMOS-compatible outputs and LED-driven inputs.
- Used to interface microcontrollers or digital logic to high-voltage or noisy power electronics (motor drives, inverters, isolated data links, etc.).
- Features, channel count, and exact electrical specs (propagation delay, drive current, voltage levels) vary by variant and package; consult the datasheet for precise details.
Essential caution:
- Check the exact channel count, input/output voltage ranges, and package type for your application, as these can differ across HCPL-4534-500E variants.

Direct equivalents:
- ACPL-4534-500E (Broadcom/Avago) — same device, different prefix
- HCPL-4534-500E — original designation
They are interchangeable. There are no widely used exact cross-refs from other vendors; if substituting, match the same optocoupler family (iCoupler) with identical speed, CTR, and isolation specs.

Here are the typical features of the HCPL-4534-500E:
- High‑speed optically isolated amplifier (isolates input from output)
- Isolation voltage: up to 5 kV RMS (basic isolation)
- High common‑mode transient immunity (CMI) for noisy environments
- TTL/CMOS‑compatible output
- Low input current requirements and low power consumption
- Wide operating temperature range (-40°C to +125°C)
- Package options: 8‑pin DIP/SOIC; lead‑free (E)
- Suitable for isolated sensing, MCU interfaces, motor drives, and power electronics
Note: always confirm exact electrical specs from the current datasheet for your exact lot and package variant.

- Pin count: 8 pins (DIP-8/SO-8)
- Function: Dual-channel high-speed optically isolated logic-gate optocoupler. Each channel has an input LED and a corresponding isolated output transistor (TTL/CMOS compatible). Isolation rating: 5 kV rms (5000 Vrms).

- Manufacturer: Broadcom Inc. (originating from Avago Technologies).
- Company type: A multinational semiconductor and technology company that designs and manufactures a wide range of semiconductor devices and related software, including optocouplers and isolation products.

HCPL-4534-500E is a high-speed optocoupler used to galvanically isolate digital signals. Typical application areas:
- Isolated interfaces for microcontrollers/FPGA (PWM, data, control)
- Isolated feedback and control in switching power supplies and DC-DC converters
- Gate/driver isolation for motors, inverters, and power electronics
- High-speed isolated data links (SPI, I2C, UART)
- Industrial automation and PLC I/O safety isolation
- Medical instrumentation needing patient-safety isolation
- Automotive sensors/ECUs and other harsh-environment electronics requiring protection against transients and noise
Concise, general-purpose isolation for high-speed digital signals.

The HCPL-4534-500E is an 8‑pin SOIC surface‑mount optocoupler supplied in tape‑and‑reel packaging (500 units per reel).