March 28, 2025
Article
Building embedded systems often involves juggling many moving parts processors, memory, interfaces, power management, and compliance concerns. Designing everything from scratch (“chip-down”) can be time-consuming, error-prone, and complex. Instead, using a ready-made System on Module (SoM) simplifies the process. A SoM integrates all core computing components on a compact board such as CPU/SoC, RAM, storage interfaces, and communication links while leaving flexibility for custom carrier-board design.
Here are eight compelling reasons professionals and organizations choose SoMs for embedded system designs.
Key Benefits of Using SoMs
With ever-changing components and semiconductor supply uncertainties, SoM vendors manage the lifecycle of all underlying components. This protects your product from abrupt part discontinuations or EOL (end-of-life) issues ensuring long-term availability without forcing you to constantly redesign.
Instead of spending months designing and validating a custom CPU board, you can begin software development sooner using a pre-validated SoM. This drastically shortens development cycles, enabling faster prototyping, testing, and ultimately a quicker product launch. Sometimes software work can even start before the carrier board is fully designed saving precious time.
SoMs encapsulate complex design tasks: power sequencing, high-speed memory layout, signal integrity, DDR routing, compliance testing, etc. By outsourcing these challenges to experienced module providers, you avoid many pitfalls of custom hardware design. Moreover, because modules are pre-tested, the risk of design failures or EMI/EMC issues is minimized.
Designing a custom embedded board from the ground up incurs significant costs NRE (non-recurring engineering), prototype iterations, validation cycles, certification. A SoM-based design reduces these costs, since much of the complex hardware is already handled, and you only invest in the carrier board and application-specific parts. This makes it economically attractive, especially for low- to mid-volume products.
With a thoughtful SoM + carrier-board separation, you can upgrade the core computing module over time swapping in newer and faster SoMs without redesigning the entire hardware. This ensures your product line can evolve with technology, upgrade performance, and extend lifecycle without major rework.
Since SoMs handle the core compute functions, you have full freedom to design custom carrier boards that expose only the necessary I/O and peripherals whether for industrial interfaces, automotive buses, sensor arrays, or specialized connectors. This customization is often not possible (or very limited) with off-the-shelf single-board computers (SBCs).
With hardware design and integration challenges offloaded to the SoM provider, your team can dedicate itself to high-value activities: firmware, application software, UI, algorithms or domain-specific logic. This dramatically reduces development overhead and complexity at the system-integration level.
Whether your product is a small edge device or a high-performance computing appliance, SoMs offer scalability. Because the compute module is abstracted, one can maintain a common carrier design while migrating across SoMs of varying power levels — enabling a product family strategy covering different performance/power tiers.
iWave’s SoM Offering: Leveraging SoM Benefits with Confidence
At iWave Global, we offer a comprehensive portfolio of SoMs including ARM-based SoMs and FPGA/SoC-FPGA SoMs tailored for a variety of industries: industrial automation, telecommunications, defense, IoT, and edge computing.
Our SoMs come with robust platform support (memory, storage, high-speed I/O, transceivers, DDR, etc.),
and we provide reference designs and development kits. These resources allow customers to build prototypes quickly, validate performance, and move straight into production without facing the complexities of high-speed hardware design.
Conclusion
System on Modules represent a strategic approach to embedded design combining speed, reliability, flexibility, and future readiness. For companies looking to reduce engineering risk, accelerate time-to-market, and focus on application innovation, SoMs offer a compelling alternative to full custom design.
Consider using a SoM in your next embedded product it could save you development time, reduce costs, simplify compliance, and allow you to build scalable, future-proof systems with confidence.
Get in touch with us at mktg@iwave-global.com to explore our SoM portfolio and see how it can fit into your next project.
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