STM32WB05KN

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Design Win Education

Ultra-low-power, 2.4 GHz network processor, Bluetooth LE 5.4 certified

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Product overview

Key Benefits

High wireless performance

  • Best-in-class radio enabling robust and stable connectivity​
  • State-of-the-art radio efficiency​
  • Power control options on IoT devices​ for longer battery life

Cost effectiveness

  • Best price point for applications requiring quick and easy Bluetooth® Low Energy plug-in connectivity
  • High integration in tiny packages (integrating balun and HSE)​
  • Enables 2-layer PCBs for reduced BOM and simplified circuitry

Extensive wireless design ecosystem

  • Streamlined project development thanks to STM32Cube​
  • RF reference designs, IPD chip for easy impedance matching​
  • Bluetooth® Low Energy and Mesh stacks, software, tools, and resources

Description

The STM32WB05xN is an ultra-low-power Bluetooth® Low Energy wireless network coprocessor addressing standard Bluetooth® LE protocol. Interface with external micro controller can be achieved through SPI and USART. It embeds STMicroelectronics’s state-of-the-art 2.4 GHz radio IPs, optimized for ultra-low-power consumption and excellent radio performance, for unparalleled battery lifetime. It is compliant with Bluetooth Low Energy SIG core specification version 5.4.

The STM32WB05xN embeds a Arm® Cortex®-M0+ microcontroller that can operate up to 64 MHz and also the BlueNRG core co-processor (DMA based) for Bluetooth Low Energy timing critical operations.

The STM32WB05xN features standard and advanced communication interfaces:

  • 1x SPI
  • 1x USART

The STM32WB05xN operates in the -40 to +105 °C temperature range from a 1.7 V to 3.6 V power supply. A comprehensive set of power-saving modes enables the design of low-power applications.

The STM32WB05xN integrates a high efficiency SMPS step-down converter and an integrated PDR circuitry with a fixed threshold that generates a device reset when the VDD drops under 1.65 V.

The STM32WB05xN comes in different package versions supporting up to:

  • 20 I/Os for the VFQFPN32 package
  • 20 I/Os for the WLCSP36 package

  • All features

    • Includes ST state-of-the-art patented technology.
    • Bluetooth® Low Energy network coprocessor supporting the Bluetooth 5.4 specifications
      • 2 Mbps data rate
      • Long range (Coded PHY)
      • Advertising extensions
      • Direction finding (AoA/AoD)
      • LE ping procedure
      • Periodic advertising and periodic advertising sync transfer
    • Radio
      • RX sensitivity level: -97 dBm @ 1 Mbps, -104 dBm @ 125 kbps (long range)
      • Programmable output power up to +8 dBm (at antenna connector)
      • Data rate supported: 2 Mbps, 1 Mbps, 500 kbps and 125 kbps
      • Integrated balun
      • Support for external PA and LNA
      • Available integrated passive device (IPD) companion chip for optimized matching and filtering
    • Ultra-low-power radio performance
      • 8 nA in Shutdown mode (1.8 V)
      • 0.8 µA in Deepstop mode (with external LSE and Bluetooth LE wake-up sources, 1.8 V)
      • 1.0 µA in Deepstop mode (with internal LSI and Bluetooth LE wake-up sources, 1.8 V)
      • 4.3 mA peak current in TX (@ 0 dBm, 3.3 V)
      • 3.4 mA peak current in RX (@ sensitivity level, 3.3 V)
    • High performance and ultra-low-power Arm® Cortex®-M0+ 32-bit, running up to 64 MHz
    • Dynamic current consumption: 14 µA/MHz
    • Operating supply voltage: from 1.7 to 3.6 V
    • -40 ºC to 105 ºC temperature range
    • Supply and reset management
      • High efficiency embedded SMPS step-down converter with intelligent bypass mode
      • Ultra-low-power power-on-reset (POR) and power-down-reset (PDR)
      • Programmable voltage detector (PVD)
    • Clock sources
      • 64 MHz PLL
      • Fail safe 32 MHz crystal oscillator with integrated trimming capacitors
      • 32 kHz crystal oscillator
      • Internal low-power 32 kHz RO
    • System peripherals
      • 1x DMA controller with 8 channels supporting SPI-I2S, USART
      • 1x SPI
      • 1x USART
    • Up to 20 fast I/Os
      • All of them with wake-up capability
      • All of them retain state in low-power
      • All of them 5 V tolerant
    • Development support
      • Serial wire debug (SWD)
    • All packages are ECOPACK2 compliant.

Circuit Diagram

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM32WB05KNV6TR
Active
VFQFPN 32 5x5x1.0 mm Industrial Ecopack2
STM32WB05KNV7TR
Active
VFQFPN 32 5x5x1.0 mm Industrial Ecopack2

STM32WB05KNV6TR

Package:

VFQFPN 32 5x5x1.0 mm

Material Declaration**:

Marketing Status

Active

Package

VFQFPN 32 5x5x1.0 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32WB05KNV7TR

Package:

VFQFPN 32 5x5x1.0 mm

Material Declaration**:

Marketing Status

Active

Package

VFQFPN 32 5x5x1.0 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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ECCN (US)
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Operating temperature (°C)
D/A Converters (typ) (12-bit)
Timers (typ) (16-bit)
Timers (typ) (32-bit)
Number of Channels (typ)
SMPS
Number of Channels (typ)
UART (typ)
I/Os (High Current)
Integrated op-amps
Comparator
SPI (typ)
USART (typ)
Number of Channels (typ)
I2S (typ)
Advanced Motor Control Timers
CAN (2.0)
CAN (FD)
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STM32WB05KNV7TR
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STM32WB05KNV6TR
Available at distributors

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Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

STM32WB05KNV7TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32WB05KNV7TR

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

-

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

Internal

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

-

Integrated op-amps:

-

Comparator:

-

SPI (typ):

-

USART (typ):

-

Number of Channels (typ):

-

I2S (typ):

-

Advanced Motor Control Timers:

-

CAN (2.0):

-

CAN (FD):

-

STM32WB05KNV6TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32WB05KNV6TR

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

-

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

Internal

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

-

Integrated op-amps:

-

Comparator:

-

SPI (typ):

-

USART (typ):

-

Number of Channels (typ):

-

I2S (typ):

-

Advanced Motor Control Timers:

-

CAN (2.0):

-

CAN (FD):

-

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors