The KW31Z from NXP Semiconductors is an ultra-low-power, highly-integrated SoC that enables Bluetooth low energy v4.2, Generic FSK (at 250, 500 and 1000 kbps) or IEEE Standard 802.15.4 RF connectivity for portable, extremely low-power embedded systems. This Wireless SoC integrates a 2.4 GHz transceiver supporting FSK/GFSK modulations, an Arm Cortex-M0+ CPU, up to 512 KB Flash and up to 128 KB SRAM, Bluetooth Low Energy Link Layer hardware, hardware security and peripherals optimized to meet the requirements of the target applications. This SoC is ideal for applications including portable healthcare devices, wearable sports and fitness devices, AV remote controls, computer keyboards and mice, gaming controllers, access control security systems, smart energy and home area networks.

Product Specifications

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Product Details

  • Part Number
    KW31Z
  • Manufacturer
    NXP Semiconductors
  • Description
    2.4 GHz Bluetooth Low Energy Wireless SoC

General Parameters

  • Technology
    Bluetooth + 802.15.4
  • Frequency
    2.4 GHz
  • Bluetooth Standard
    Bluetooth V4.2
  • Bluetooth Application
    Non-Audio
  • Bluetooth Low Energy
    Yes
  • Data Rate
    0.25 to 1 Mbps
  • Output Power
    3.5 dBm
  • Sensitivity
    -95 dBm(Bluetooth), -100 dBm(802.15.4)
  • Voltage
    3.6 V
  • Current Rx
    6.8 mA
  • Current Tx
    6.1 mA
  • Flash
    512 Kb
  • Interface
    SPI, I2C
  • RAM
    128 Kb
  • RF Transceiver
    Yes
  • ROHS
    Yes
  • Sleep Current
    182 nA(Low power mode Current)
  • Dimension
    7 x 7 x 0.98 mm (QFN), 3.893 x 3.797 x 0.564 mm (WLCSP)
  • Package
    QFN, WLCSP
  • Pins
    48
  • Operating Temperature
    -40 to 85 Degree C

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