Low Power Bluetooth for GF 22FDX

Ensigma Low Power Bluetooth Connectivity

Bluetooth Low Energy v5.0

The Ensigma low-power BLE GF 22FDX IP solution is a complete ready to market IP package including integrated RF, baseband with modem hardware and firmware up to the Host Controller Interface. The IP is supplied as a laid-out macro for the analogue section and synthesisable RTL for the digital baseband processor & link layer controller sections, enabling maximum flexibility and fastest time to market with reduced development costs.

Features
  • Designed for GF 22FDX CMOS process
  • Supports Bluetooth Low Energy v5.0
  • Self-contained sleep control
  • Typical power consumption 6mW
  • Wide range of reference crystal frequencies
    supported (16- 40MHz)
  • 32.768 kHz oscillator supported for low power
    operation
General features
  • Complies with
    • Bluetooth V5.0, all mandatory and key BLE V5.0 features
    • ETSI EN 300 328 and EN 300 440 Class 2 (Europe)
    • ARIB STD-T66 (Japan)
  • Multiple simultaneous BLE connections
  • No external trimming required in production except for XO
    frequency trimming
  • Wi-Fi coexistence through PTA (Packet Traffic Arbiter)
    interface
  • 2.11 mm2 die area, including analogue pads for GF22FDX
  • Low gate count/memory for the link layer/baseband
Power Management
  • Power Management System Comprising
    • LDO regulators
    • Always On (AON) block
    • Firmware managed sleep Controller, supporting external 32 KHz clock
  • Multiple Power Domains
  • On-chip LDO regulation SOC
Benefits
  • Complete Bluetooth Low Energy up to HCI
  • Low power consumption
  • Easy integration into a SoC
RF features
  • Complete 2.4 GHz RF including PA, LNA
  • BLE Sensitivity:
    • 125 Kbps: -103 dBm
    • 500 Kbps: -99 dBm
    • 1 Mbps: -97 dBm
    • 2 Mbps: -93 dBm
  • Customised power amplifier to minimise Tx power consumption
    • Tx Output Power up to +5dBm
  • Power efficient AGC
  • Optimised PLL power consumption
  • Internal LDO regulators
  • Power optimised DAC/ADC design
  • Integrated Tx/Rx switch for RF
Software
  • Controller stack (firmware)
  • Firmware can be placed in ROM for low-power operation
  • Software patch support for futures feature enhancements
Applications
  • Internet of Things
  • Wearables
  • Connected consumer products
  • Industrial automation
Interfaces
  • Single pin RF antenna interface
  • 32-bit AXI slave port provides host access to system
    memory
  • Interrupt driven messaging interface
Package
  • Support for QFN packages with no external matching
Bluetooth SIG standards support
  • Bluetooth BLE v5.0