BCM89810A2AMLGT

Controllers Overview

The BCM89810A2AMLGT is a single-port automotive Ethernet Physical Layer Transceiver manufactured by Broadcom Limited. It supports the 100BASE-T1 standard for high-speed data transmission over a single twisted pair, designed specifically for automotive applications. The device integrates an internal voltage regulator and operates within an extended industrial temperature range to withstand harsh environments. Key interface capabilities include support for MII, RMII, and SMI protocols, facilitating flexible integration with various host controllers. The component holds AEC-Q100 qualification, ensuring reliability in demanding vehicular systems.

Controllers Feature Summary

• Supports 100BASE-T1 automotive Ethernet standard for single twisted-pair communication
• Integrated internal voltage regulator simplifies external power supply design
• Qualified under AEC-Q100 standards for automotive reliability requirements
• Compatible with multiple host interfaces including MII, RMII, and SMI

Controllers Applications

• Automotive domain controllers and gateway nodes
• Advanced Driver Assistance Systems (ADAS) sensor interfaces
• In-vehicle infotainment network connections
• Vehicle-to-everything (V2X) communication modules

Controllers Procurement Notes

Verify the specific suffix 'A2AMLGT' against the official datasheet to confirm package type and temperature grade. Ensure the supplier provides traceability documentation required for automotive components. Check RoHS compliance status as indicated in the manufacturer's specifications before finalizing orders.

Controllers Selection Notes

Select this component when designing systems requiring robust 100Mbps connectivity over a single twisted pair in automotive environments. Consider the integrated regulator feature if minimizing external BOM count is a priority. Verify that the host controller supports the necessary MII or RMII interface speeds for optimal performance.

Controllers Part Context

This part belongs to the Broadcom BCM8 series of automotive PHY transceivers. It serves as a critical link between the MAC layer and the physical medium in modern vehicle networks. The series is widely adopted in OEM designs due to its proven stability and comprehensive diagnostic features.

Controllers Replacement Considerations

Direct replacements must match the 100BASE-T1 specification and AEC-Q100 qualification. Evaluate alternative automotive PHYs from other manufacturers only after confirming pinout compatibility and interface signal integrity requirements.