Knowledge from the Field

Technical articles, architecture guides, and reference documents from eight years of production hardware engineering.

EV ChargingPower ElectronicsEmbedded SystemsCertifications

Engineering Operations

15% BOM Cost Reduction Without Compromising Reliability

Apr 2025 · 6 min read

Systematic approach to BOM cost engineering on production DCFC hardware — alternate sourcing strategies, component consolidation, and DFM optimisations that cut cost without cutting corners.

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EV Standards

ISO 15118-2 Plug-and-Charge: Hardware Implementation Requirements

May 2025 · 10 min read

What ISO 15118-2 Plug-and-Charge means for hardware designers — Power Line Communication IC selection, PCB layout constraints, PLC coupling network design, and HomePlug GreenPHY timing.

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Protection Design

IsoMOV-Based SPD Design for DC Fast Chargers

Mar 2025 · 8 min read

How IsoMOV hybrid surge protection devices replace conventional MOV+GDT stacks in DC fast charger architectures — reduced component count, improved clamping, and UL compliance paths.

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Power Electronics

LLC vs Vienna Rectifier: Architecture Selection for High-Power DCFC

Jan 2025 · 9 min read

A technical breakdown of topology selection criteria for DC fast chargers above 60kW — efficiency curves, component stress, thermal implications, and certification boundary conditions.

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Standards & Compliance

OCPP 2.0.1: What Changes at the Hardware Interface Level

Feb 2025 · 7 min read

Protocol changes between OCPP 1.6 and 2.0.1 that affect PCB layout, communication IC selection, signal isolation requirements, and firmware architecture decisions.

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Power Electronics

SuperCap Backup via LTC3350: Ride-Through Design for DC Fast Chargers

Jun 2025 · 8 min read

Designing a supercapacitor backup system using the LTC3350 for DCFC ride-through capability — capacitor sizing, charge balancing, firmware integration, and field performance data.

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