Design intelligence
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Precision-Driven Custom Electric Design
At Elfox, we specialize in a diverse set of engineering domains—ranging from embedded systems and power electronics to control algorithms and human-machine interfaces. Our multidisciplinary expertise allows us to build reliable, scalable, and production-ready electronic solutions that meet the unique requirements of each project. Whether it's a precision analog front end, a high-efficiency power converter, or a custom firmware stack, we focus on engineering that is both practical and forward-looking.
Power Electronics
DC-DC converters, battery chargers, isolated power modules, motor drives, and power management circuits for embedded and industrial applications.
Embedded Systems
Microcontroller-based boards, sensor interfaces, communication modules, and control units. Suitable for automation, industrial monitoring, IoT, and custom device firmware development.
Precision Analogue
Low-noise signal conditioning, analog front-ends, sensor interfacing, mixed-signal circuits, and precision measurement systems. Ideal for instrumentation, test equipment and medical electronics
Delivered projects
1kW HF Solar Inverter
Ultra compact high frequency solar inverter with 1KW output.
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12V DC Input 230V 50Hz output
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95% efficiency
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Inbuilt MPPT and AC charger
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< 2 inches in height
400W LED Driver
Smart LED driver with 400W output.
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48V DC input, variable current output
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> 99% efficiency @ full load
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RS-485 communication
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Flicker free dimming in 10K steps
CISPR-25 Certified DC-DC
Automotive DC DC converter rated 250W
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30V to 60V DC input
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13.5V 20A output
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Short circuit protection
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EMI/EMC as per CISPR-25 Class-5
1.2kW Multi-phase DC-DC
High efficiency 8 phase DC DC converter with 45 degree phase shift.
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40V to 60V DC input
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Up to 50V 25A programmable output
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99.3% efficiency at full load
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Fully digital FPGA based control
10kW PMDC Motor Driver
Four quadrant PMDC motor driver control card for automotive application.
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Constant torque control
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Jerk-free transition from stand-still
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Forward and reverse regeneration
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Ripple free torque from 0 to full RPM
High Accuracy BMS
High accuracy battery management system for automotive and military use
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1mV typical accuracy
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100uV precision
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1.5kA current FSR with 3% accuracy
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Built in solid-state relay up to 110A
Cost Effective BMS
Touchscreen displays, button/keypad interfaces, and GUI-driven controls. Covers integration of TFT/LCD/OLED panels, capacitive touch, and embedded UI frameworks for seamless user experience.
Smart DC-DC Charger
300W smart DC DC charger with fully digital SoC based control
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20V to 60V DC input
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programmable output voltage and current
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Multiphse operation with extremely low ripple and EMI
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SMBUS communication
60kW Motor Driver
60KW four-quadrant PMDC motor driver
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60V to 120V input, 800A output
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Compact liquid cooled thermal design
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Fully digital torque and speed control
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Part of automotive CVT system
Engagement Models
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Fixed-Scope Project Engagements
Structured development based on clearly defined requirements. Undertaken when the client provides a well-defined scope of work and deliverables. Suitable for end-to-end design
Feasibility Analysis & Prototyping
Exploratory engagements to validate technical concepts.
Intended to assess the viability of new product ideas or system architectures
Retained Engineering Services
Ongoing technical support through a structured monthly arrangement.
Designed for clients who require consistent engineering assistance over time
Technical Consulting & Design Review
Expert insights to support critical technical decisions.
Focused consulting engagements for reviewing existing designs, strategies, or systems
About Elfox
At Elfox, we specialize in a diverse set of engineering domains—ranging from embedded systems and power electronics to control algorithms and human-machine interfaces. Our multidisciplinary expertise allows us to build reliable, scalable, and production-ready electronic solutions that meet the unique requirements of each project. Whether it's a precision analog front end, a high-efficiency power converter, or a custom firmware stack, we focus on engineering that is both practical and forward-looking.
