iEW220: Low Power Wi-Fi IP for TSMC 40LP

Ensigma Low Power Wi-Fi Connectivity

Connectivity solutions for tomorrow’s complex low-power SoCs

The Ensigma Low Power Wi-Fi consists of end to end solution including RF, AFE, baseband PHY and MAC. The RF IP is offered in the 40LP TSMC CMOS process. Utilising advanced design techniques and process technology to deliver ultra-low active and idle power, the macro extends the system battery life while maintaining consistent connectivity and still provides a rich set of features.

  • Designed for TSMC 40nm LP CMOS
  • Internal Power Amplifiers
  • Sleep Controller to ensure overall System Level Power Consumption Reduction
  • Design for QFN packages
  • Complete Low Power Wi-Fi solution
  • Silicon ready design
  • Ultra-low power
  • Easy integration into an SoC
  • Internet of Things
  • Connected consumer products
  • Industrial automation
  • Wearables
RF Features
  • Complete 2.4 and 5 GHz RF including PA
  • Power efficient AGC
  • Optimized PLL power consumption
  • Customized PA to minimize Tx power consumption
  • Power optimized DAC/ADC design
  • Integrated transmit/receive switch for RF
  • Single pin RF antenna interface
IEEE 802.11 PHY Support (2.4/5 GHz)
  • IEEE 802.11b DSSS/CCK (up to 11 Mbps)
  • IEEE 802.11a/g OFDM (up to 54 Mbps)
  • IEEE 802.11n OFDM
  • MCS 0-7, (20/40 MHz channels, up to 72.2/150 Mbps)
  • Lower MAC Runs inside the RPU
  • Optional ROM based UMAC executing on a dedicated processor
  • Patch RAM facility for LMAC and UMAC firmware upgrade
  • Linux host reference driver
  • HW/SW partition optimized to minimize power consumption
Power Management
  • Power Management System Comprising
    • DC-DC converters
    • LDO regulators
    • Supports an external 32 kHz XTAL interface
  • Sleep Controller
    • Always On Block (AON) – Logic for 32 KHz design
  • Multiple Power Domains
  • TSMC 40nm LP (1P8M, 1.1V/2.5V)
  • 1P8M_5X0Y2Z0R0U_ALRDLmetal stack
  • Required process options:
  • DNW (Deep N-Well)
  • MOM (requires no extra mask)
  • SVT and HVT
  • Support for QFN packages – no requirement for external matching
  • Other packages are supported but may require custom external matching