Cryo-ASIC Design

Cryo-optimised analogue & digital design

We design both analogue and mixed-signal ASICs using CMOS process nodes, tailored, characterised and validated for operation down to mK temperatures. Our designs achieve ultra-low power dissipation- essential when every milliwatt of heat load matters inside your cooling system.

Standard CMOS, deliberately

We build on commercially available CMOS foundry processes rather than exotic technologies. This gives you supply chain stability, multi-source availability, and a well-understood reliability track record- critical for long-lived quantum computing deployments.

Cryogenic packaging

Die packaging is often an afterthought- not with us. We select and validate packaging materials and interfaces for mechanical and thermal performance at cryogenic temperatures, ensuring robust electrical connections and long operational lifetimes in extreme environments.

Fully customised to your stack

Every quantum hardware architecture is different. We work closely with your team to understand your qubit platform, control topology, and system-level constraints- then design an ASIC that fits precisely into your cryostat.

Quantum Control Platform

Kelvin Quantum develops in-cryostat electronic systems to control and readout quantum technologies with RF and DC signals.

Full systems backed by FPGA  processing power, high frequency PCBs, peripheral electronics and packaging all capable of integration within commercial cryogenic refrigeration systems.

Capabilities

RF capability DC-20GHz, Reprogrammable FPGA based system, Operation Temperature: Room temperature to milliKelvin, Real time reconfiguration, Packaging designed for EMC and optimised for heat transfer.

Customisation:

Technology is complex, refrigerators are bespoke and cooling power varies. Get in touch to talk about tailored solutions for your system and application.

Cryogenic Sub-Systems

We develop cryogenic semiconductor-based electronic sub-systems, enabling in-cryostat integration of quantum control and readout operations. Our technology provides a clear path toward scalable quantum systems, delivering faster, more accurate, and higher-density operation and benchmarking at cryogenic temperatures.

Multiplex

DC and RF capabilities spanning out to hundreds of outputs.

Power Supplies

In-cryostat reconfigurable voltage and current supplies.

Signal generation and manipulation

Signal components including: Digital to Analogue converters, Analogue to Digital converters, RF synthesisers and Mixers.

FPGA

FPGA based microcontrollers for bespoke operation, experimentation and characterisation at cryogenic temperatures.

Customisation

FPGA based microcontrollers for bespoke operation, experimentation and characterisation at cryogenic temperatures.

HOW WE WORK

From first conversation to cryostat integration

1.

Technical Consultation

We map your system requirements: qubit count, gate fidelity targets, power budget, operating temperature stage.

2.

Architecture & schematic design​

We propose a circuit architecture and walk you through the trade-offs before a single transistor is laid out.

3.

Layout & tape-out

Full custom ASIC layout, DRC/LVS clean, submitted to foundry.

4.

Cryo bring-up & characterisation

We test and validate performance at temperature in our own cryogenic test infrastructure.

5.

Integration support

We support you through system integration into your cryostat.