Rochester Electronics explores the challenges of sourcing power and power management devices in an increasingly constrained semiconductor market, highlighting how long product lifecycles, safety certifications and extended lead times make redesigns impractical, and explaining how authorised, traceable end-of-life inventory enables customers to maintain proven designs without costly requalification.
Power sourcing and power management devices are fundamental to virtually every electronic system, supporting applications that range from ultra-low power designs to high-efficiency, high-voltage and high-current requirements. Over time, power supply architectures have evolved significantly to meet growing demands for efficiency, reliability and increasingly stringent safety standards. As a result, most designs combine application-optimised controllers and power management devices with a wide range of multi-sourced discrete components.
Once validated, these designs are rarely short-lived. Customers frequently implement a base power design across an entire product family, introducing only minor variations to maintain a consistent bill of materials. In sectors such as medical, industrial, defence and automotive, designs must also meet strict safety approvals defined by organisations including UL, VDE, TÜV, CSA, BSI and standards such as IEC 60950 or IEC 62368-1. Given the time, cost and complexity involved in achieving these approvals, customers are understandably motivated to maintain proven designs over long periods and avoid redesigns or requalification wherever possible.
However, ongoing supply chain disruption and constrained semiconductor availability continue to challenge this approach. Power and power management devices have been particularly affected. Whether a design relies on a sole-source controller or a multi-sourced transistor, lead times are frequently extended and, in some cases, exceed 52 weeks. To mitigate risk, customers are expanding approved supplier lists, broadening acceptable temperature and performance grades, and increasingly becoming open to a wider range of acceptable date codes, often at increased cost.
Even with these measures, maintaining continuity for mature or long-life designs remains difficult without access to authorised end-of-life inventory. This is where long-term lifecycle support becomes critical.
Through established partnerships with leading semiconductor manufacturers, Rochester Electronics provides access to a broad portfolio of both active and end-of-life power-related devices. The current offering includes more than five billion units, with over 33% of available inventory carrying lead times greater than 20 weeks. Rochester’s power and power management portfolio spans products from industry-leading suppliers including Texas Instruments, onsemi, Analog Devices and Maxim Integrated, Infineon Technologies, Renesas, NXP, and Nexperia.
All devices supplied by Rochester are 100% authorised, fully traceable, certified, and guaranteed. By providing assured access to hard-to-find and discontinued components, Rochester enables customers to sustain production, protect approved designs and power systems reliably well beyond original end-of-life timelines.
For more information visit – www.rocelec.com
This article originally appeared in the Jan/Feb 26 issue of Procurement Pro.
