MPL485A-I/AJA

The MPL485A-I/AJA is an ARM® Cortex®-M4 based microprocessor IC featuring a single 32-bit core running at 100 MHz in a 121-TFBGA (10×10) surface-mount package. The device is part of the PL485 family, a fully programmable Power Line Communication (PLC) System-on-Chip (SoC) designed to run narrowband PLC (NB-PLC) protocols up to 500 kHz with selectable firmware for basic or complex network topologies.

Targeted at industrial embedded designs, the MPL485A-I/AJA combines on-chip security, USB connectivity and DMA support with SRAM controllers and an industrial temperature rating for robust operation in demanding environments.

Key Features

• Core  ARM® Cortex®-M4, single 32-bit core operating at 100 MHz for deterministic embedded processing.
• PLC SoC Capability  Fully programmable Power Line Communication (PLC) System-on-Chip able to run NB-PLC protocols in the frequency band up to 500 kHz; supports firmware selection for point-to-point, star and mesh topologies.
• Memory and Bus  SRAM controllers provided on-chip to support application and protocol stacks.
• Security  Hardware AES support with 128-, 192- and 256-bit key sizes for encrypted communication and data protection.
• Interfaces  Integrated USB 2.0 (1) port and DMA support to streamline high-throughput data movement and peripheral connectivity.
• Package and Mounting  121-TFBGA (10×10) supplier device package, surface-mount for compact PCB implementations.
• Industrial Grade & Temperature Range  Industrial grade device specified for operation from −40 °C to 85 °C.
• Compliance  RoHS compliant.

Typical Applications

• Narrowband PLC Networks  Implements NB-PLC modem functionality up to 500 kHz for utility and metering communications or other PLC-based connectivity solutions.
• Point‑to‑Point and Star Connectivity  Deploy firmware for straightforward small-scale connectivity and device-to-device communication.
• Mesh and Routed PLC Networks  Support for mesh topologies and routing enables more complex network architectures where nodes relay traffic.
• Industrial Embedded Systems  Industrial temperature rating and on-chip security make it suitable for embedded control and communications in industrial environments.

Unique Advantages

• Programmable PLC SoC Flexibility: Selectable firmware support lets designers adapt the same silicon to basic or advanced NB-PLC protocols and topologies.
• Integrated Security: AES 128/192/256 hardware support provides cryptographic options for secure communications without adding external accelerators.
• USB and DMA Integration: Built-in USB 2.0 and DMA reduce external components and simplify high-speed data handling between peripherals and the core.
• Industrial Temperature Range: Rated from −40 °C to 85 °C to meet the thermal requirements of industrial deployments.
• Compact Surface-Mount Package: 121-TFBGA (10×10) package enables space-efficient PCB layouts for dense embedded designs.
• Vendor Firmware Support: Reference firmware examples for common NB-PLC standards are provided to accelerate development and protocol deployment.

Why Choose MPL485A-I/AJA?

The MPL485A-I/AJA positions a 100 MHz ARM® Cortex®-M4 core within a programmable PLC-focused SoC, combining embedded processing, secure communications and standard interfaces in a single industrial-grade package. This integration streamlines BOM and design effort for teams building NB-PLC devices or industrial embedded communication nodes.

With on-chip AES encryption, USB 2.0, DMA support and firmware examples for standard NB-PLC protocols and topologies, the MPL485A-I/AJA offers a practical foundation for scalable, robust PLC-enabled products where security and reliable operation across −40 °C to 85 °C are required.

Request a quote or submit an inquiry to evaluate the MPL485A-I/AJA for your design and receive ordering and availability information.