Sentinel Interconnect is a product line that includes embedded monitors for detecting intermittencies and degradation in crucial system interconnects, and a visualization tool. It is part of the Sentinel Suite family of prognostic and health management (PHM) solutions.
While simple in principle, interconnections are the most frequent source of intermittencies and failure in electronic systems. There are tools and techniques that determine that electronic and electromechanical assemblies have been manufactured properly before shipment, but monitoring the system’s integrity once it is deployed has been difficult. Sentinel Interconnect detects interconnection degradation and intermittencies in wiring, cables, connectors, and IC packages – regardless of whether the problems are caused by mechanical, thermal, moisture, electrical, radiation, or other mechanisms – and thus provides you with actionable maintenance data before a catastrophic failure occurs.
SJ BIST™: SJ BIST is an monitors the reliability of interconnects and is able to detect intermittencies in IC packages and substrates, and on printed circuit boards (PCBs), cables, and connectors.
TSV BIST™: TSV BIST monitors interconnects using through-silicon vias (TSVs) in 2.5D and 3D IC chip stacks and in other high-density IC packaging schemes.
Sentinel Interconnect applications include:
- PCBs with Ball-Grid Array (BGA) or other high-density packages for field programmable gate arrays (FPGAs), microprocessors, microcontrollers, digital signal processors (DSPs), and other high pin-count devices
- IC package qualification
- IC die-crack detection
- Board-to-board, board-to-backplane, and other electrical connectors
- Embedded ICs inside a single package connected using TSVs, wire-bonds, or other interconnection mechanisms
- Electrical cabling systems
For evaluating SJ BIST in your applications, we have developed the SJ BIST Demonstration and Evaluation Unit (DEU). Contact Ridgetop if you wish more information about how this can help learn how SJ BIST will work in your application.
For more information about Sentinel Interconnect, contact us directly or follow the links below :
Selected White Papers
- A Sensor for Real-Time Detection of Solder-Joint Faults in Operational Field Programmable Gate Arrays
- Solve Interconnect Reliability Issues Using Flip-Chip Testing with SJ BIST™
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Interconnect Intermittency Detection with SJ BIST™ – Broadcast by Microsemi
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