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Custom IC design services

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  • Custom IC design
  • Core expertise
  • Core expertise

    High-performance and low-power
    analog, digital and mixed-signal

     
    • Ultralow-power circuits: watchdog oscillators, references, energy harvesting, low-noise instrumentation
    • Analog-to-digital conversion (ADC): continuous/discrete time low-pass/band-pass delta-sigma, SAR, cyclic/alogrithmic, pipelined, ... 
    • Digital-to-analog converters (DAC) : high-accuracy, fast-settling, current steering, delta-sigma, ...
    • 500ppm high-precision, temperature-stable on-chip oscillators (no externals)
    • Phase-locked loops (PLL): low jitter, delta-sigma fractional-N synthesis
    • Bandgap references: low-voltage (LV) and high-voltage (HV)
    • Instrumentation: chopping, correlated double sampling, auto-zeroing amps, S&Hs
    • Low-noise switched capacitor circuits
    • I2C - I2S - SPI master/slave
    • Communication: CAN, OWI, LIN, SENT, PSI5, ...
    • Flash, EEPROM and OTP controllers
    • DSP data-paths (MEMS, sensors, communication, …): Matlab generated Verilog/VHDL, Fixed point VHDL
    • MCU core integration with on-chip peripherals: ARM7, ARM9, Cortex M3, M1, M0, OpenMSP430, 8051

    MEMS sensor-actuator interfacing

     
    • Resistive sensor interfaces: Wheatstone bridge readout
    • Capacitive sensor interfaces: tilt, accelerometer, pressure sensors, …
    • Magnetic sensor interfaces: Hall sensors, GMR (giant magneto resistance) sensor interface
    • Inductive proximity sensor architectures
    • High accuracy, fully integrated temperature sensors
    • Delta-Sigma (ΔΣ) analog-to-digital (AD) converters: continuous and discrete time
    • Successive approximation AD converters

    Power management

     
    • LDO regulators: low quiescent current / high current output
    • Protection circuits: current, voltage and temperature overprotection
    • Integrated switching-mode power supplies (highly-efficient DC-DC converters):
    • Buck, boost, buck/boost, fly-back, … topologies
    • Continuous and discontinuous
    • Voltage and current mode
    • Single phase or multiphase
    • High-frequency - small inductance
    • Asynchronous and synchronous
    • Pulse width modulation (PWM) – Pulse frequency modulation (PFM)
    • Integrated charge pumps and voltage doublers
    • Wireless charging and battery management: state-of-charge, state-of-health.

    High-voltage IC design

     
    • High-voltage (up to 14V) in plain low-voltage CMOS (patented)
    • High-voltage (bi-directional) switches
    • High-voltage I/O buffers
    • Class AB/G/H amplifiers
    • Class D audio amplifiers
    • (Self-oscillating) power amplifiers
    • High-voltage low drop out (LDO) regulators and bandgap references
    • High-voltage DC-DC converters: capacitive and inductive, buck, boost, buck-boost, flyback, converters and controllers
    • High-voltage charge pumps and voltage doublers
    • High-voltage instrumentation front-ends
    • H-bridge (e.g. motor steering applications)
    • MEMS and piezo drivers (ultrasound, injector control)
    • High-voltage drivers:

          - MEMS drivers
          - Line drivers
          - Gate drivers
          - Laser/LED/LCD/backlight drivers
          - Low-side (LS) and high-side (HS) drivers
          - Electrode-array drivers (brain, nerve interfaces)
          - Solenoid (coil) driver