Custom Silicon Solutions

At CSS, superb engineering is the foundation of every successful program. The average engineer at CSS has a remarkable 25+ years of IC design experience which enables CSS to be the most creative and efficient IC Design and Turnkey ASIC provider in the industry. Our engineering team brings a wealth of circuit, system, and application expertise to address the unique challenges in the Industrial, Medical, Aerospace & Defense, and Consumer markets.

CSS has designed scores of innovative and high-performance microchips in a wide variety of CMOS, BCD, SiGe, SOI, and CIS process technologies in geometries ranging from 28nm to 500nm.  Our engineer expertise is centered around high-voltage, ultra-low power, precision analog and data converters, sensors and MEMs interfacing, and wireless communications.  Such ASIC design expertise is unmatched in the industry.

Check out some recent successful ASIC examples from our portfolio:

https://customsiliconsolutions.com/asic-portfolio

As a fabless semiconductor supplier, CSS ASICs are supplied through front-end wafer fabrication and packaging services from a variety of leading manufacturing partners. However, CSS owns and operates its own 8,000 sq. foot, class 10,000 clean room at the production test facility in Irvine, CA (USA). Both wafer testing and final package testing are done on site at CSS with our low-cost, proprietary testing system.

Test Flow & Test Capabilities

• Fully automated wafer and final testing
• 100% wafer probe testing
• 100% package-level final testing
• Full characterization of each ASIC
• Real-time yield statistics
• 100% Data logging
• Tri-temperature testing
• Burn In

Production ATE Test Equipment

• High volume production test equipment and handlers
• 3 Final production package testing stations
• 3 Wafer Probers
• Easily scalable

Wafer Probe

• High volume production probe
• 6″ & 8” capability
• Al pads and solder bumps
• Fine pitch, High pin count
• Extended temp (Hot) Probe
• Extensive data analysis capability
• Multi-site testing
• Probe card design
• Wafer mapping

High-voltage design can be tricky, and it is no place to mess around with amateurs!  Let CSS leverage our three-decades of experience in high-voltage design to provide a robust and reliable solution to your unique high-voltage ASIC needs.

• Advanced circuit design and layout techniques for high voltage environments
• HV I/O ESD and latch-up considerations and protection expertise
• Design techniques to combine high and medium voltage within standard CMOS technologies
• HV switches, row/column drivers, line and gate drivers
• H-bridges for high-voltage motor control
• HV analog amplifiers, LDO regulators, and charge pumps
• Drivers for high-voltage MEMs and other transducers
• Processes: 180/250/350/500nm BCD and Isolated Trench SOI CMOS

https://customsiliconsolutions.com/ic-design-expertise/high-voltage

CSS has vast experience designing interfaces to a wide variety of sensors and MEMS devices:

• Resistive, capacitive, inductive, and magnetic sensor interfaces
• High-performance Analog Front-Ends (AFEs) and analog signal processing
• Offset, gain, and tempco compensation via production test trimming
• Low-noise design via chopping and correlated double sampling (CDS)
• Programmable and variable gain amplifiers
• Passive and active low-pass, high-pass, and bandpass filters
• Custom-built and optimized CMOS Image Sensors
• Tempco cancellation for bandgaps, current references, and oscillators
• On-chip temperature sensors and PTAT biases (proportional to absolute temperature)
• Processes: 28/65/180/250/350/500nm CMOS; 180/350 BCD; 180nm CMOS Image Sensor (CIS)

https://customsiliconsolutions.com/ic-design-expertise/sensors-and-mems-interfacing

CSS Supports power harvesting and battery-free designs for implantable medical devices and other ultra-low power applications:

• RF and infrared wireless energy harvesting
• ULP AFEs, bandgaps, current references, RF transceivers, oscillators, and timers
• Subthreshold and weak inversion design techniques
• Duty-cycled wake, sleep, and active modes to optimize power usage
• ULP custom EEPROMs
• Low-noise switched capacitor designs
• Processes: 28/65/180/250/350/500nm CMOS; 180/350 BCD;

https://customsiliconsolutions.com/ic-design-expertise/ultra-low-power

CSS regularly integrates premier analog processing and data converters into mixed-signal ASICs:

• Precision instrumentation and class AB amplifiers
• Voltage, current, transconductance, and transimpedance amplifiers
• Passive and active low-pass, high-pass, and bandpass filters
• Low-noise analog front-end and signal processing circuits
• 10-14 Bit SAR ADCs
• 4-8 Bit Flash ADCs
• 14-18 Bit Sigma-Delta ADCs and DACs
• 8-12 Bit resistive, capacitive, and hybrid Voltage DACs
• 10-12 Bit current mirror DACs
• Processes: 28/65/180/250/350/500nm CMOS; 180/350 BCD; Isolated Trench SOI

https://customsiliconsolutions.com/ic-design-expertise/precision-analog-and-data-converters