The new line of VITA 93 QMC mezzanine modules, from Acromag, are a rugged family of high-density I/O solutions designed to meet the needs of today’s embedded computing systems. Built for flexibility and high performance, these modules are ideal for aerospace, defense, industrial automation, transportation, and scientific research applications that demand reliable signal processing in a format optimised for size, weight, power, and cost (SWaP-C) limitations.
The first units released in the QMC Series feature a variety of I/O functions and a carrier card, including:
• QMC440: Digital input module featuring 32 optically-isolated channels with interrupts
• QMC450: Digital output module providing 32 isolated solid-state relays for AC/DC switching
• QMC510: Octal serial communication module programmable for RS-232/422/485 interfaces
• QMC520: Quad isolated serial communication module with RS-232/422/485 ports
• QMC730: Multi-function I/O module combining analogue I/O, digital I/O, and counter/timers
• QPCe7210: PCIe half-length carrier card
These modules are engineered to meet increasing demands for smaller form factors and more performance. Less than quarter the size of a PMC/XMC module, they offer higher performance than mini PCIe and are ideal for smaller computers used in unmanned vehicles and narrow payload tubes.
The VITA 93 mezzanine specifies two 80-pin connectors, for separate host and I/O interfaces, on a 26 x 78,25 mm single-width QMC module. The host connector can support PCIe Gen 4 x4 interfaces, while the I/O connector provides up to 20 differential or 40 single-ended signals arranged in five IOPipes.
Designed for versatility, the QMC modules can mount on 3U/6U Eurocards like VPX and CompactPCI-Serial, PCIe expansion cards, or small form factors such as VNX+ and custom embedded PCs. Conduction-cooled systems are supported by adding a standardised, skyline heat sink to modules. An intelligent platform management interface (IPMI) allows smart carrier cards to read module information and sensor data from EEPROM over an I2C interface.
Acromag’s Universal Software Design Suite (USW-API) facilitates application development for streamlined integration with VxWorks, Windows, and Linux operating systems.
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