CARLSBAD, CA, May 22, 2026 – MaxLinear expanded its USB UART portfolio for AI data center control systems with the Coronado (MxL81424) and Laguna (MxL81108) devices. The new families support console access, system bring-up and service operations across dense racks, multi-node systems and Universal Baseboards (UBB).
The devices address control-plane and console-access requirements as hyperscale AI deployments increase rack density and system complexity. Coronado and Laguna provide out-of-band management connectivity for servers, storage systems, network equipment and rack-level management controllers.
Optimized for Control-Plane Performance at AI Data Center Rack Scale
The Coronado and Laguna USB UART devices support USB 2.0 and integrate enhanced multi-channel UART functions. They are designed for dense, high-node-count environments that require deterministic access, uptime and reliable system management.
- High‑Concurrency Console Operation: Large 512‑byte transmit and receive FIFOs support high-throughput deterministic data paths for concurrent system access.
- Multi-Channel Scalability: Supports fan‑out console architectures and rack-level aggregation.
- Compact Integrated Clock Architecture: On‑chip programmable oscillator reduces BOM and board space while improving long-term reliability.
- Rack‑Scale Robustness: ±15 kV ESD protection without the need for external components.
MaxLinear USB UART devices have been deployed in critical infrastructure for more than a decade. The company’s portfolio is used across cloud, enterprise and AI compute environments for control-plane connectivity.
Coronado (MxL81424): Ultra-Compact, High-Density Integration
The MxL81424 is designed for next-generation AI systems where board space and integration density are key constraints:
- Ultra-compact 5 × 5mm QFN package reduces board area and system complexity in space‑constrained AI system designs.
- Integrated programmable 48MHz oscillator eliminates external clock components, including crystals or external oscillators.
- Flexible internal clock is programmable to 6MHz, 12MHz, or 24MHz to support application‑specific requirements.
- High-performance fractional baud‑rate generator supports accurate UART baud rates up to 12 Mbps.
Laguna (MxL81108): Drop-In Flexibility for Scalable Deployment
The MxL81108 is designed to simplify adoption and support transitions in existing designs:
- Pin‑to‑pin compatibility with USB‑to‑UART solutions.
- Drop‑in replacement support for rapid qualification.
- Supports supply-chain flexibility across existing and new AI platforms.
“AI data center deployments are pushing infrastructure to new levels of scale, density, operational complexity, and industrial-level reliability. Our expanded USB UART portfolio is designed specifically for these environments, enabling our hyperscaler customers and OEMs to deploy scalable, resilient, and flexible control-plane connectivity while maintaining performance and supply continuity,” said Amit D. Bavisi, Ph.D., senior vice president and general manager, analog mixed‑signal business unit at MaxLinear. “We believe that the market size for USB UART devices is substantial with an estimated 200M units driven by AI Data Center deployments. We are selectively sampling our latest USB UART devices now to support customer evaluation and platform development.”
Availability
- Coronado (MxL81424): Samples expected in June 2026, production scheduled for the second half of 2026.
- Laguna (MxL81108): Samples expected in Q3 2026, production scheduled by the end of 2026.
MaxLinear’s USB UART and serial transceiver portfolio is available through MaxLinear UARTs and MaxLinear Serial Transceivers.
Source: MaxLinear
About MaxLinear
MaxLinear, Inc., established in 2003 and based in Carlsbad, California, is a fabless semiconductor company that develops analog, digital, and mixed-signal integrated circuits. Its portfolio includes broadband access SoCs, RF transceivers, Ethernet controllers, power management ICs, and interface devices, all designed to support high-throughput connectivity. These components are used in broadband communication systems, data centers, wireless infrastructure, and industrial electronics. The company serves a global customer base of OEMs, ODMs, and distributors, providing solutions for deployment in fiber broadband, Wi-Fi, Ethernet, and 5G environments. In 2024, MaxLinear reported annual revenue of $360.5 million and employed more than 1,200 people worldwide. Its operations span direct sales and partner networks. MaxLinear’s development efforts continue to focus on meeting the increasing bandwidth and efficiency requirements of modern communications and computing infrastructure.