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iCD (In-Circuit Design Pty Ltd) is an Australian company with a long-standing focus on high-speed multilayer PCB design, EDA software support, training, and board-level simulation analysis. Its core product is the iCD Design Integrity suite, which includes Stackup Planner, PDN Planner, and CPW Planner. It primarily serves PCB engineers and manufacturers who need to manage impedance control, signal integrity, power integrity, and high-frequency material selection.
Stackup Planner is the flagship product highlighted on the page. It provides a 2D BEM Field Solver for single-ended impedance, edge-coupled/broadside-coupled differential impedance, multi-differential-pair definition, impedance target search, and stackup planning. It also supports Matched Delay Optimization, which optimizes high-speed interfaces such as DDR3/4 based on propagation delay rather than simple length matching. Termination Planner can extract IV curves from IBIS models and calculate series termination. PDN Planner is designed for multi-rail AC impedance and decoupling planning, and supports importing Touchstone s2p S-parameters. CPW Planner is used for modeling microstrip coplanar waveguides to reduce radiation loss in high-speed serial links. The dielectric materials library is a major selling point: the page says it includes a large number of rigid/flexible core, prepreg, solder mask/coverlay materials, with support up to 100GHz.
iCD’s ecosystem is more oriented toward EDA workflows than general developer tools. The page explicitly mentions integration with Altium Layer Stack Manager, allowing materials to be transferred and differential pairs and routing rules to be created automatically. It also provides interfaces for Allegro, OrCAD, HyperLynx, PADS, Zuken, IPC-2581B, Excel, Zmetrix TDR, and more. Documentation includes online videos, interface demos, technical blogs, customer case studies, and a large collection of high-speed PCB articles, so learning resources are fairly rich. However, no API/SDK or open-source documentation was found.
The product is commercial software. The standalone Dielectric Materials Library tool is listed at a limited-time price of USD 200, 50% off. Stackup Planner offers a 14-day free evaluation and mentions a licensing model ranging from entry-level configurations to unlimited functionality, but the page does not provide a full price list, payment methods, or enterprise licensing terms.
Its strengths are its vertical specialization, comprehensive field solver and materials library capabilities, broad EDA interface coverage, and support through training and consulting. Its drawbacks are limited pricing transparency, poor fit for general software development use cases, and no disclosed self-hosting, API/SDK, or open-source capabilities. It is best suited for teams working on high-speed digital boards, DDR/PCIe/USB, RF/high-frequency PCBs, HDI stackup planning, and projects that require precise communication with board manufacturers on impedance and materials.
The crawled text did not provide information about access from mainland China, payment, local agents, or Chinese-language support, so this remains unknown. Domestic teams in China may also evaluate Polar Instruments, HyperLynx, and related Cadence/Altium capabilities as alternatives or complements.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on icd.com.au official site.
icd.com.au is an Australia Dev Tools provider. TG4G tracks its product information, with monthly pricing from $200.00, an overall rating of 7.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach icd.com.au directly.