IMG CRF5500

Ensigma RF Family

High-performance and low power connectivity

IMG CRF5500 Wi-Fi RFIC IP is a low power, high-performance, highly flexible, dual-band IEEE 802.11ac and Bluetooth Radio which provides an optimum RF Transmitter/Receiver function.

Features
  • Dual-band (2.4/5 GHz) Tx and Rx
  • Supports Single Stream and 2×2 MIMO Wi-Fi
  • Designed for TSMC 40nm LP CMOS process
  • Internal power amplifiers
  • Frequency trimable on-chip reference oscillator enables the use of low-cost crystals
  • Integrated Tx/Rx-switch
  • Direct-Connect-To-Battery
  • Power-save support
Benefits
  • Complete Wi-Fi RF and AFE solution with on-chip high-efficiency DC/DC-converter
  • Silicon ready design
  • Low power consumption
  • Easy integration with baseband SoCs
  • High integration level minimises production cost
Applications
  • Digital TV and set-top boxes
  • Tablets
  • Connected consumer products
  • Internet of Things
General Features CRF5500 Wi-Fi/BT IP
  • QSPI control interface
  • SERDES data interface (for Wi-Fi)
  • High speed serial interface (for Bluetooth)
  • Supports:
    • 20, 40, and 80 MHz Wi-Fi channels
    • 1, 2, 3 Mbps Bluetooth channels
    • 1, 2 Mbps Bluetooth LE channels
  • Direct conversion Tx and Rx for Wi-Fi
  • Low IF Rx and direct conversion Tx for BT
  • Rx RSSI function
  • Tx TSSI function
  • On-chip PA and Tx/Rx switch for singleended 50ohm antenna ports
  • Shared LNA for Wi-Fi and Bluetooth
  • No external trimming required in production except for XO frequency trimming
  • Low spur output and strong receive blocking performance
  • Analogue front-end (AFE) includes highperformance ADCs and DACs
  • Power efficient AGC
  • Optimised PLL power consumption
  • Fully integrated fractional-N synthesizer
RF Features
  • Complete 2.4/5 GHz RF including PA, LNA
  • Integrated power amplifiers:
    • +18 dBm maximum output power (5 GHz)
    • +19 dBm maximum output power (2.4 GHz)
    • +4 dBm maximum output power (Bluetooth)
  • 26 dB (5 GHz) and 23 dB (2.4 GHz) Tx gain range
  • Support for 38.4 MHz or 40 MHz reference clock
PMU Features
  • Autonomous start-up sequence from single high-voltage tolerant pin
  • Dual-Mode (PWM and PFM) 500mA DC:DC converter
  • Programmable 40mA IO LDO for embedded applications (1.8 to 3.3V in 8 steps)
  • 300mA LDO from DC:DC for digital supply (0.85 to 1.20V in 8 steps)
  • Direct-connect-to-battery for Li-ion powered applications
  • 200ppm 32 kHz temperature stable clock generator
  • On-chip sleep timer and configurable state machine
  • Integrated chip temperature measurement
Process
  • TSMC 40 nm LP (1.2V/2.5V)
  • 8 metal layers including UTM (Ultra Thick Metal)