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Microelectronic

CDDIC offers a complete range of products and patented IPs, in the new nano-technologies (40nm, 65nm, 90nm), and older and low-cost technologies (0.18um, 0.35um), in the R&D fields and innovative solutions, in the domain of the embedded power-mangement, battery-management, audio, contact-less (RFID, NFC), and solar power optimization, in the LDMOS drain-extended or thick gate oxide devices.

Domain of the Microelectronics Products and IPs:
  - embedded power-mangement (LDOs, dc-dc converters, bandgap, ...)
  - battery-management (battery chargers)
  - audio (class-d and class-ab amplifiers, DAC, ADC, filters)
  - contact-less (RFID, NFC)
  - solar power optimization (dc-dc converters with MPPT, grid dc-ac inverters with MPPT)

List of available Products and IPs (please contact us for details):

Solar Power Optimization:  
   
  - Very High-Voltage (300V) PWM Dc-Dc Boost Regulator with very fast analogue MPPT and  very high dynamic power efficiency
  - PWM Dc-Ac Inverter for 220V Grid with very fast analogue MPPT and very high dynamic power efficiency
  - PWM Dc-Ac Boosted Inverter (an inverter combined with a dc-dc boost) for 220V Grid  with very fast analogue MPPT and very high dynamic power efficiency

Bandgap References and Current References (PTAT, ZTAT):

  - High Performance Bandgap (PSRR, Noise, ...)
  - High Supply-Voltage Bandgap
  - Ultra-Low Quiescent Current Bandgap

Linear Voltage Regulators - LDOs:

  - High Performance Low Dropout Regulator (PSRR, Load & Line Regulation, Noise, ...)
  - High Voltage Low Dropout Regulator with internal power PMOS
  - High Voltage Low Dropout Regulator with external power PMOS
  - Any-Cap Low Dropout Regulator
  - Ultra-Low Quiescent Current Regulator
  - Ultra-Low Quiescent Current Regulator with Embeded Bandgap

Ultra low-curent and low-voltage Power-Management for RTC, BACKUP  and RFID applications:

  - Ultra-Low Quiescent Current RTC Power Supply System
  - Ultra-Low Quiescent Current Switched Bandgap
  - Ultra-Low Quiescent Current Voltage Regulator combined with a Bandgap reference generator
  - Ultra-Low Quiescent Current Power-On-Reset generator combined with a Bandgap reference generator
  - Ultra-Low Quiescent Current Temperature-compensated Voltage Regulator  
  - Voltage Regulator with a smooth transition from linear region to regulation region (to optimize RFID applications)

Switching Voltage regulators - DC/DC Buck Converters:

  - PWM Dc-Dc Buck Regulator
  - PFM Dc-Dc Buck Regulator
  - Pulse-Skipping Dc-Dc Buck Regulator
  - Asynchronous Dc-Dc Buck Regulator with internal Power Switches
  - Asynchronous Dc-Dc Buck Regulator with external Power Switches
  - Synchronous Dc-Dc Buck Regulator with internal Power Switches
  - Synchronous Dc-Dc Buck Regulator with external Power Switches
  - Synchronous Dc-Dc Buck Controller With Boostraping (Nmos only power-switches)
  - High Performances Synchronous Step-Down Converter

Switching Voltage regulators -  DC/DC Boost Converters:

  - PWM Dc-Dc Boost Regulator
  - PFM Dc-Dc Boost Regulator
  - Pulse-Skipping Dc-Dc Boost Regulator
  - Asynchronous Dc-Dc Boost Regulator with internal Power Switches
  - Asynchronous Dc-Dc Boost Regulator with external Power Switches
  - Synchronous Dc-Dc Boost Regulator with internal Power Switches
  - Synchronous Dc-Dc Boost Regulator with external Power Switches
  - High Performances Synchronous Step-Up Converter
  - PWM Current-mode Dc-Dc Boost Regulator with embedded ramp generator and offset compensation

Switching Voltage regulators - DC/DC Buck/Boost Converters:

  - Dc-Dc H-Bridge Buck-Boost Regulator

Switching Voltage regulators -  White-Leds and LCD Drivers:
  - White-Led Step-Up Converter
  - Current-Mode White-Led Step-up Converter
  - Current-Mode White-Led Step-up Converter for multiple Led Branches
  - High-Voltage Current-Mode White-Led Step-up Converter for multiple Led Branches

Switched-Capacitors Voltage Converters / Charge Pump Regulators:

  - Regulated Switched-Capacitor Step-Down Voltage Converter
  - Regulated Switched-Capacitor Step-Up Voltage Converter
  - Regulated Switched-Capacitor Buck-Boost Voltage Converter
  - Current Mode Step-up Charge Pump
  - High Efficiency Regulated Switched-Capacitor Step-Down Voltage Converter
  - High Efficiency Step-Down Charge Pump

Audio Amplifiers and Audio DACs/ADCs And Sigma Delta Modulators:

  - Class-AB Audio Power Amplifier
  - High Voltage Class-AB Audio Power Amplifier
  - High Voltage Class-D Audio Power Amplifier
  - Filterless High-Power 8ohm Class-D Audio Power Amplifier PWM
  - Filterless High-Power 8ohm Class-D Audio Power Amplifier PDM
  - Filterless High-Power 4ohm Class-D Audio Power Amplifier PWM
  - Filterless High-Power 4ohm Class-D Audio Power Amplifier PDM
  - Filterless Digital-Input Class-D Audio Power Amplifier
  - High-performances Class-D Audio Power Amplifier (THD, SNR, DR, PSRR, EMI)
  - DAC and ADC for Audio, Switched-Cap
  - DAC and ADC for Audio, Contininuous-Time
  - High Voltage Class-D Audio Power Amplifier with Boostrap output stage (small area power nmos, very high power efficiency, small quiescent current)
  - High Voltage Boosted Class-D (a class-d amplifier combined with a dc-dc boost) Audio Power Amplifier with very high power efficiency

Battery Charger Interfaces:

  - Switched-Cap Battery Charging Interface
  - Dual-Mode Battery Charging Interface
  - USB-Port and AC-Adapter Battery Charging Interface
  - Low-Cost Battery Charging Interface
  - Low-Cost Battery Charging Interface with Integrated Power Device
  - Autonomous Battery Charger without calibration
  - Autonomous Battery Charger with power dissipation control

Oscillators:

  - R-C Oscillator
  - I-C Oscillator
  - PLL

Power-Switches:

  - Multi-Supplies Power Switch
  - Automatic Power Switch
  - Bi-directionnal Power Switch

Power-On-Reset - POR:

  - High Supply-Voltage POR
  - Ultra-Low Quiescent Current POR

Supply Monitors - SM:

  - High Supply-Voltage SM
  - Ultra-Low Quiescent Current SM

 
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