ISL3150EIBZ

Overview

The ISL3150EIBZ is a single half-duplex RS-485/RS-422 transceiver manufactured by Renesas Electronics under the Intersil brand. It operates with a single 5 V supply and supports data rates up to 12 Mb/s. The device features IEC 61000-4-2 ESD protection of ±15 kV (air discharge) and ±8 kV (contact discharge). It includes a shutdown mode that reduces power consumption significantly. The component is housed in an 8-lead SOIC package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrated high electrostatic discharge (ESD) protection compliant with IEC 61000-4-2 standards for robust operation in electrically noisy environments.
• Low-power shutdown capability that minimizes current draw during idle periods, extending battery life in portable applications.
• Slew-rate limited drivers that reduce electromagnetic interference (EMI) and minimize signal reflections on transmission lines.

Applications

• Industrial automation systems requiring reliable serial communication over long distances.
• Building automation networks utilizing BACnet or Modbus protocols.
• Metering infrastructure including electricity, gas, and water smart meters.

Procurement Notes

Verify the manufacturer marking on the component body to confirm it corresponds to Renesas Electronics or Intersil. Check the date code against known production timelines to ensure authenticity. Confirm the package type matches the specified SOIC-8 form factor. Request a certificate of conformity or traceability documentation from the supplier to validate the supply chain history.

Selection Notes

Select this component when a single half-duplex interface is required for RS-485 or RS-422 networks. It is suitable for designs needing moderate data speeds up to 12 Mb/s with integrated ESD protection. Consider alternative packages if board space constraints differ from the SOIC-8 footprint. Ensure the system voltage aligns with the fixed 5 V operating requirement.

Part Context

This part belongs to the ISL3150E series of differential transceivers designed for industrial communication buses. It shares functional similarities with other members like the ISL3152E but differs in specific pinouts or feature sets. The series is characterized by low power consumption and high noise immunity, making it a standard choice for legacy and modern industrial interfaces.

Replacement Considerations

Direct replacements include the ISL3150EIUZ in an MSOP-10 package, noting the pinout difference. Other compatible devices in the same family may offer similar electrical characteristics but require verification of package compatibility and driver/receiver configuration.