95 mm x 70 mm Form Factor COM specification brings low power and high-performance interfaces to drones, mobile robots, and mobile test equipment.
WAKEFIELD, Mass., October 11, 2023. PICMG, a leading consortium for developing open embedded computing specifications, has announced the release of the COM-HPC 1.2 “Mini” specification. Measuring just 95 mm x 70 mm, COM-HPC Mini is nearly half the size of the next-smallest COM-HPC form factor and provides a cost-effective, lower power module for autonomous mobile robots, drones, mobile 5G test and measurement equipment, and other far edge applications.
A single, rugged 400-pin connector allows COM-HPC Mini to support communications interfaces such as:
- 16x PCIe lanes (PCIe 4.0 or PCIe 5.0)
- 2x 10 Gbps NBASE-T Ethernet ports
- 8x SuperSpeed lanes (for USB4/ThunderBolt, USB 3.2, or DDI)
- 8x USB 2.0
- 2x SATA ports (shared with PCIe lanes)
- 1x eDP
- 2x DDI
The 1.2 specification defines a separate FFC connector for MIPI CSI, while its 400 pins also support signals such as Boot SPI and eSPI, UART, CAN, Audio, FUSA, and power management signals. A signal voltage reduction from 3.3V to 1.8V on most pins is in line with reduced I/O voltage on the latest low-power CPUs. The input power is limited to a maximum of 107W at a wide input voltage of 8V to 20V, leaving plenty of headroom for performance processors.
“The COM-HPC size A started at 95 mm x 120 mm, but the market loves the Mini size as well as the performance you get with COM-HPC,” says Christian Eder, Director of Product Marketing at congatec and Chairman of the COM-HPC Working Group at PICMG. “The whole trend of making things smaller and more power-saving was a
Mini’s smaller footprint also provides mechanical advantages, such as a 15 mm stack height from the top of a carrier board to the top of a heat spreader stacked on a COM-HPC Mini module. This 5 mm reduction compared to other COM-HPC variants means COM-HPC Mini modules must use soldered memory, which makes them inherently rugged through resistance to shock and vibration and provides direct thermal coupling to heat spreaders.
“The new revision of the specification allows COM-HPC to address additional high-performance applications that require a smaller footprint,” says Doug Sandy, CTO of PICMG. “COM-HPC 1.2 is a great solution that completes the spectrum of solutions of COM Express through COM-HPC Server Modules.”
“The COM-HPC Mini specification leverages the high-speed capabilities and SI performance of existing COM-HPC interconnect solutions,” says Matthew Burns, Global Director of Technical Marketing at Samtec. “Dropping one 400-pin connector enables small form-factors without sacrificing the data throughput demanded at the Far Edge.”
PICMG members ADLINK, congatec, Samtec, SECO, and others have either already released or plan to release COM-HPC 1.2 product in the near future.
The COM-HPC 1.2 specification can be downloaded today for $750 from the PICMG website at www.picmg.org/product/com-hpc-module-base-specification-revision-1-2. A COM-HPC 1.2 Carrier Design Guide is scheduled for release in early 2024.
For more information, visit www.picmg.org/openstandards/com-hpc.
About PICMG
Founded in 1994, PICMG is a not-for-profit 501(c) consortium of companies and organizations that collaboratively develop open standards for high performance industrial, Industrial IoT, military & aerospace, telecommunications, test & measurement, medical, and general-purpose embedded computing applications. There are over 130 member companies that specialize in a wide range of technical disciplines, including mechanical and thermal design, single board computer design, high-speed signaling design and analysis, networking expertise, backplane, and packaging design, power management, high availability software and comprehensive system management.
Key standards families developed by PICMG include COM-HPC, COM Express, CompactPCI, AdvancedTCA, MicroTCA, AdvancedMC, CompactPCI Serial, SHB Express, MicroSAM, and HPM (Hardware Platform Management). www.picmg.org.
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