Hardware that powers EV infrastructure

Two-Level Full-Bridge LLC Converters. Three-Phase Vienna Rectifiers. OCPP 2.0.1 · ISO 15118-2 · IsoMOV SPD — production-deployed, certification-proven.
8+
Years Exp
80+
DCFC Units
240kW
Max Output
6+
Certifications
DC Output Power
240 kW
Grid Voltage
400 V
Charging Efficiency
97.3%
Thermal Margin
12°C
SYSTEM LOG // REALTIME
Engineering Services
Five Core Disciplines
From architecture to certification — every phase of hardware development.
EV Charging Infrastructure Design
End-to-end architecture for AC wallboxes to 240kW DC fast chargers. Two-Level Full-Bridge LLC and Three-Phase Vienna Rectifier topologies. Connector interfaces: CCS, CHAdeMO, Type-2, GB/T.
Technical Consulting & Advisory
Expert advisory across power electronics, embedded systems, thermal engineering, and product architecture. From requirements specification to system rule validation.
Integrated ECAD/MCAD Design
High-speed multi-layer PCB design with impedance matching, layer stack-up definitions, signal integrity constraints, and mechanical tolerance engineering.
NPI & Project Consultancy
Full lifecycle project execution from architecture and schematic capture to prototyping, regulatory validation, and commercialization. CE, ARAI, UL, IEC standards.
Innovative Tech Integration
OCPP 2.0.1 implementation telemetry, ISO 15118 plug-and-charge communication controllers, grid balancing automation, and custom embedded firmware stacks.
Why HayimHardy
Built Different. Proven in Production.
Production-Proven Topologies
80+ DCFC units in US commercial operations. Two-Level Full-Bridge LLC and Three-Phase Vienna Rectifier — not textbook designs.
Full-Spectrum Compliance
6 UL/IEC/NEC certifications executed. OCPP 2.0.1 and ISO 15118-2 with deep understanding of regulatory boundary conditions.
BOM Cost Engineering
15% production BOM cost reduction on active projects. 30% throughput improvement through design-for-manufacture optimization.
Global Manufacturing Standards
Bengaluru-based precision with US-market deployment track record. ARAI, CE, and global compliance built in from day one.
240kW Multi-Standard DCFC Architecture
80+ Units · US Commercial Deployment
Full hardware architecture for dual-output DC fast chargers. Two-Level Full-Bridge LLC topology with IsoMOV-based SPD design and SuperCap backup via LTC3350.
Industrial IoT Hardware Platform
Multi-site Deployment · India
Custom embedded hardware platform for industrial IoT data acquisition. Multi-protocol connectivity, edge compute capability, −40°C to 85°C operating range.
PCIe 3.0 Edge Computing Module
Delivered · Production Ready
Custom edge computing hardware with PCIe 3.0 interface. High-speed signal integrity design, thermal management, compliance testing.
Technical Insights
Thought Leadership from the Field
Deep technical articles on power electronics, EV charging architecture, and embedded systems engineering.
View All Articles →LLC vs Vienna Rectifier: Architecture Selection for High-Power DCFC
A technical breakdown of topology selection criteria for DC fast chargers above 60kW — efficiency curves, component stress, and thermal implications.
Read Article →OCPP 2.0.1: What Changes at the Hardware Interface Level
Protocol changes between OCPP 1.6 and 2.0.1 that affect PCB layout, communication ICs, and firmware architecture decisions.
Read Article →Ready to Architect Your Next Hardware Platform?
From power topology selection to regulatory submission — eight years of production-proven hardware expertise.
CAPABILITY OVERVIEW
See Our Full Engineering Capability
A concise document covering our five engineering disciplines, key power topologies, certification experience (UL · IEC · CE · ARAI), and team credentials — useful for procurement and technical evaluation.
