Solving semiconductor obsolescence with hardware and firmware means designing the product to outlive any one chip: a modular board, firmware that abstracts the silicon and a plan for every part’s end of life. Designing hardware and firmware for long-term resilience means deciding, before the board is ordered, what happens when a fab stops making a part.
If a part on your board is heading for end of life: find out whether your firmware can run on a substitute without a rewrite, whether the board can take a different footprint and whether a change resets any approval you hold. Those three answers tell you whether you have an obsolescence plan or a procurement problem.
Semiconductor lifecycles are shrinking at an unsustainable pace. What once supported stable product lifetimes measured in decades is now being replaced in just a few product cycles. Industries are not just struggling to keep up; they are at risk of collapsing under supply chain failures, rising costs, certification delays, and technology bottlenecks that make redesign cycles economically and operationally impractical.
This is exposing a deeper structural problem in how we build technology today.
Semiconductors are the backbone of aerospace, medical devices, consumer electronics, industrial automation, transportation, and defence systems. Yet the foundational components required to keep these systems operational are disappearing faster than the systems themselves can be redesigned.
The result is a widening gap between the time products must remain operational and the time silicon remains available.
At Pinetics, we focus on closing that gap.
Which industries are most at risk from semiconductor obsolescence?
The industries most at risk from semiconductor obsolescence are those whose products must work for decades, carry regulatory approval or cannot be redesigned quickly: aerospace and defence, medical devices, industrial control, energy infrastructure and laboratory instrumentation. Consumer electronics face the opposite failure, with devices discarded while still working because a replacement component is unavailable.
Shrinking lifecycles do not impact every market equally. The greatest risk exists in systems that must function for long periods, are heavily regulated, or cannot be redesigned rapidly.
Aerospace and Defence Systems Cannot Simply Be Rebuilt
Aerospace and defence platforms rely on chips designed decades ago. Replacing them is not simply a sourcing issue; it is a systems engineering challenge tied to:
- Airworthiness and mission certifications
- Safety case validation
- Long procurement cycles
- Security and compliance
Redesigning entire architecture is often not an option. Many aircraft, radar systems, and defence communication platforms still depend on components that fabs no longer produce. The cost and risk of redesigning critical avionics architectures can exceed the cost of the platform itself.
Consumer Electronics Are Discarded Prematurely
Consumer devices are increasingly discarded not because they fail, but because compatible replacement components are unavailable. Manufacturers face challenges when:
- An IC is suddenly moved to end-of-life.
- Firmware cannot support alternative chips
- Redesigning PCB architecture is too expensive.
- Inventory buffers are insufficient.
Perfectly functional devices end up as e-waste because the semiconductor supply chain no longer supports repair and longevity.
Low-Volume Producers Face Existential Pressure
Low-volume industries such as medical devices, industrial control, energy infrastructure, and laboratory instrumentation are particularly exposed.
When a critical chip becomes obsolete:
- Redesign resets regulatory approvals.
- Manufacturing lines shut down.
- Maintenance obligations cannot be met.
- Product families are abandoned.
Medical device hardware design teams are especially constrained by certification costs and validation cycles. A single chip change may trigger full-system requalification, making redesign economically non-viable.
Three industry groups at risk from semiconductor obsolescence, and what makes a forced redesign hard in each
| Industry group | What a forced redesign runs into |
|---|---|
| Aerospace and defence | Airworthiness certification, safety case, long procurement |
| Consumer electronics | Firmware tied to one chip, PCB redesign cost, thin buffers |
| Low-volume regulated producers | Approvals reset, lines stop, maintenance obligations unmet |
There is a management standard for exactly this exposure. IEC 62402:2019 “provides requirements and guidance for obsolescence management applicable to any organization that is dependent on another organization to obtain value from the usefulness of the items that it provides”, and adds that “A cost-effective obsolescence management process and the activities used to implement the process are applicable throughout all phases of an item’s life cycle”. The question to put to a design team is whether an obsolescence management process exists for the product at all, or whether the first notice of a part’s end of life will be a purchasing email.
Why does a slowing Moore's Law change how you design hardware?
A slowing Moore’s Law changes hardware design because the assumption behind fast redesign, that a smaller, faster, cheaper part will always be available next year, no longer holds. Fabrication costs rise, yields fall and process nodes stop being universal, so a product designed around continual replacement inherits the supply chain’s obsolescence problem as its own.
For decades, the industry relied on Moore’s Law to deliver continuous scaling:
- Smaller transistors
- Higher density
- Better performance
Today, physical and economic limits are becoming unavoidable. Fabrication costs increase, yields diminish, and process nodes are no longer universally applicable.
We cannot shrink transistors forever, so why are we still designing systems around that assumption?
Instead of designing for faster replacement, we must design for:
- Modular upgrades
- Lifecycle predictability
- Firmware adaptability
- Sustainable performance
This is not just about sourcing replacement chips. It is about redesigning how we think about hardware design and development itself.
The design consequence is concrete. A board specified for a service life of a decade can outlive the availability of parts on its own bill of materials, so modular upgrades, lifecycle predictability, firmware adaptability and sustainable performance are not aspirations but requirements to write into the architecture document, with an owner and a review date for each. IEC 62402:2019 frames obsolescence management as a process applicable “throughout all phases of an item’s life cycle”. On that framing the first obsolescence review belongs at architecture, not at the first last-time-buy notice.
Why is semiconductor obsolescence a design problem and not only a supply chain problem?
Semiconductor obsolescence is a design problem because procurement tactics only buy time: last-time-buy orders, stockpiling, secondary-market sourcing and broker-led replacement leave a monolithic, tightly coupled architecture as vulnerable as before. When one part disappears, the whole platform is exposed. Only an architecture built to survive several semiconductor generations removes that exposure.
Businesses often respond to obsolescence with procurement tactics:
- Last-time-buy orders
- Inventory stockpiling
- Secondary market sourcing
- Broker-led component replacement
These are temporary mitigations. They do not resolve architectural fragility.
The core problem is that many products are still built around monolithic, tightly coupled silicon architectures. When one part disappears, the entire platform becomes vulnerable.
We must evolve toward architectures intentionally built to survive multiple semiconductor generations.
Four common procurement responses to semiconductor obsolescence, and the design change that removes the exposure each only postpones
| Procurement tactic | Design response that removes the exposure |
|---|---|
| Last-time-buy orders | A footprint and firmware that accept a second-source part |
| Inventory stockpiling | A BOM reviewed for end-of-life risk at every revision |
| Secondary market sourcing | Incoming inspection plus a firmware check of the part ID |
| Broker-led component replacement | An abstraction layer isolating the application from the chip |
The design response that decides most is the firmware’s driver layer: does the application code call the chip directly, or call a layer that could be re-targeted to a different part? A design that answers “a layer” can take a second-source part without a rewrite. The standard for the management side of the same problem is IEC 62402:2019, which a buyer can ask a supplier about by name.
How does hardware and firmware co-design defend against obsolescence?
Hardware and firmware co-design defends against obsolescence by treating the two as one lifecycle discipline: lifecycle intelligence that predicts which parts will go; modular and chiplet-based architectures that confine a change to one part rather than the whole design; and firmware that abstracts the silicon so hardware can change under it. A sequential hand-off delivers none of the three.
A sustainable strategy requires aligning hardware design and development with firmware development services from the beginning. Hardware firmware development cannot be treated as separate sequential stages; it must instead operate as an integrated lifecycle discipline.
AI-Powered Lifecycle Intelligence
Lifecycle intelligence enables organisations to predict and mitigate risks, rather than reacting to them.
AI-driven analytics can:
- Predict device and component obsolescence years ahead.
- Identify vulnerable BOM elements.
- Map alternative parts and compatibility risks
- Simulate redesign impact before failure occurs.
When integrated into product strategy, this allows manufacturers to redesign their own timeline, not the supplier’s.
Modular and Chiplet-Driven Architectures
3D chip stacking and chiplet-based systems allow performance scaling without full redesign. Instead of replacing an entire SoC, modular components can be upgraded incrementally.
Benefits include:
- Combining legacy and modern components
- Simplified certification paths
- Flexibility across multiple product lifecycles
- Lower cost redesign cycles
For long-life systems, modularity is not optional. It becomes the foundation for survival.
Firmware as a Longevity Multiplier
Firmware development services are now central to sustainability. Adaptive firmware can:
- Abstract silicon dependencies
- Support multiple hardware variants
- Enable drop-in replacement strategies
- Optimise performance dynamically
With robust firmware abstraction, hardware can evolve without rewriting entire software stacks. This is especially critical in regulated devices where software recertification is significantly more efficient than full hardware redesign.
The chiplet approach now has an open interconnect specification behind it. The Universal Chiplet Interconnect Express consortium, whose own tagline is “Building an open ecosystem of chiplets for on-package innovations”, names UCIe 3.0 as the current specification on its page; that is a consortium describing its own work, not an independent assessment. For a product team the practical point is simple: a chiplet or module boundary is only a defence against obsolescence if the firmware on your side of that boundary does not care which silicon sits on the other side. How the two sides are made to agree before a board is ordered is the subject of our post on the foundation of reliable embedded systems.
How do data-rich architectures extend hardware lifespan?
Data-rich architectures extend hardware lifespan by monitoring thermal conditions, voltage and power integrity, error rates and operating stress profiles in real time, then adjusting operating parameters so the silicon runs inside its safe envelope for longer. The semiconductor stops being a static component and becomes one that adapts to the workload it actually sees.
A major shift is underway toward data-rich architectures that learn and optimise in real time. These systems continuously monitor:
- Thermal conditions
- Voltage and power integrity
- Error rates
- Operating stress profiles
By dynamically adjusting operating parameters, systems can significantly extend usable silicon lifespan. Real-time analytics transform semiconductors from static components into adaptive elements capable of evolving with workload demands.
Thermal monitoring answers only half the question, because it reports what a board is enduring rather than what it can endure. IEC 60068-2-14:2023 “provides tests with specified ambient temperature changes to analyse their impacts on specimens”, so it is the change-of-temperature test to name when a supplier says a board will survive the ambient swing of an unheated cabinet or an outdoor enclosure. Monitoring in the field and a change-of-temperature test before release answer different questions, and a long-life product needs both.
What does intelligent efficiency mean for the next semiconductor era?
Intelligent efficiency means measuring a product by system efficiency, architectural intelligence, domain-specific optimisation and hardware-software co-design rather than by transistor count, and favouring architectures that are repairable, maintainable, upgradable and lifecycle aware. For a buyer it means asking how a product will be kept in service through several semiconductor generations, not only how fast it runs today.
The next semiconductor era will not be won through brute-force transistor scaling. It will be defined by:
- System efficiency
- Architecture intelligence
- Domain-specific optimisation
- Hardware-software co-design
This principle, sometimes named after Richard Feynman, reframes progress around total-system efficiency rather than transistor counts alone. It favours architectures that are:
- Repairable
- Maintainable
- Upgradable
- Lifecycle aware
This is the future that Pinetics is helping build.
Repairable, maintainable and upgradable are not only design goals; they describe the work a product needs after it ships. Pinetics is asked to take over engineering on products that already ship, sustaining engineering, cost reduction on an existing device and revising a part that works but costs too much, as often as it is asked to design something new. The check for a buyer is to ask a prospective design partner how much of its work is on products already in the field, and whether an obsolescence management process to IEC 62402:2019 covers them: a team whose work is all new programmes has not yet had to keep one alive. How a shipping medical device is redesigned without losing what it already does is the subject of our post on modernising legacy medical devices through intelligent redesign.
What does designing a system to outlast its silicon require?
Designing a system to outlast its silicon requires hardware built for modularity and longevity, firmware built as compatibility and abstraction layers, a co-design framework shared by both teams, lifecycle risk intelligence that predicts obsolescence, and a re-engineering plan for the platforms in the field. In regulated markets it also requires those choices to fit the certification path, not fight it.
Pinetics partners with organisations developing mission-critical systems that must endure beyond the lifecycle of any single semiconductor generation.
Our capabilities include:
- Hardware Design and Development focused on modularity and longevity.
- Firmware Development Services enabling compatibility and abstraction layers.
- Hardware Firmware Development frameworks for co-design across teams.
- Medical Device Hardware Design aligned with regulatory lifecycle realities.
- Lifecycle risk intelligence and obsolescence prediction.
- Redesign and re-engineering strategies for legacy platforms.
We work across industries, including:
- Aerospace and defence
- Industrial automation
- Automotive and transportation
- Energy and utilities
- Healthcare and life sciences
Our approach integrates engineering strategy with deep lifecycle awareness so that systems are not just built; they are built to endure.
Firmware built as a compatibility and abstraction layer has a plain test: whether proven code moves to the next product or is written again. At Pinetics, proven firmware is carried forward between medical programmes rather than rewritten; the negative-pressure wound therapy device started from the base code of an earlier surgical tourniquet programme. Code that is already proven is the code most worth insulating from the next silicon change. An obsolescence plan belongs in a document rather than in a habit: IEC 62402:2019 sets out requirements and guidance for obsolescence management, and a buyer can ask which of a supplier’s products it is applied to. How a programme is gated from architecture to design transfer, so that these choices are made before the board is ordered, is set out on our page on how a gated electronic product development programme runs.
What is the question every technology leader must answer about obsolescence?
The question every technology leader must answer about semiconductor obsolescence is whether to keep designing products destined for early obsolescence or to rethink hardware and firmware architectures for resilience, adaptability and longevity. Obsolescence is not a supply chain annoyance but a structural flaw in how products are designed, deployed and sustained, and the transition needs new thinking, tools and practices.
Semiconductor obsolescence is not just a supply chain annoyance. It is a structural flaw in how the world currently designs, deploys, and sustains technology.
Organisations now face a choice:
Continue designing products destined for early obsolescence or rethink hardware and firmware architectures for resilience, adaptability, and longevity.
The transition requires new thinking, new tools, and new engineering practices, but the alternative is unsustainable.
Pinetics designs hardware and firmware for products that must outlast the silicon they ship with: modular boards with second-source footprints; firmware abstraction layers that let the application survive a chip change; obsolescence risk considered as part of hardware design; and re-engineering of platforms already in the field. That work rests on 100,000+ engineering hours and a leadership team with 20+ years of experience, and it runs inside the customer’s quality system rather than under a certification of our own. If a part on your board has an end-of-life notice, or you want to know before one arrives, talk to Pinetics about whether your firmware, your footprint and your approvals can take the change.
At Pinetics, we believe the future belongs to systems that last.
Sanjay Barewar, Director, Co-Founder and Global Chief Delivery Officer, Pinetics. 22+ years in electronic product development. BE Electrical, Pune University. LinkedIn
