DA14531 SmartBond TINY™ Module is the Bluetooth® low energy solution that will power the next 1 billion IoT devices through ease of use

DA14531 SmartBond TINY™ Module is the Bluetooth® low energy solution that will power the next 1 billion IoT devices through ease of use

Dialog Semiconductor plc, a leading provider of power management, charging, AC/DC power conversion, BLE, low power Wi-Fi and Industrial ICs, today announced the availability of the DA14531 SmartBond TINY module, empowering customers to build the next generation of connected devices.

The SmartBond TINY module was specifically optimized to significantly reduce the cost of adding Bluetooth low energy functionality to an IoT system. Its easy-to-use design and software allow developers to quickly and intuitively develop highly functional connected devices, targeting the next generation of connected consumer, connected medical, smart home and smart appliance applications. The module incorporates two unique software features designed to eliminate the complexity often associated with traditional Bluetooth low energy development and empowers customers to develop robust IoT products regardless of their software coding capabilities.

The first is the configurable Dialog Serial Port Service (DSPS) software, which emulates a universal asynchronous receiver-transmitter (UART) serial port over BLE, removing the need to write Bluetooth software for “BLE Pipe” applications when connecting the module to a host MCU’s serial port. The second feature, Dialog’s new Codeless software, takes this concept even further by replacing complex code with a simple series of human readable ASCII commands that can be used to generate customer applications. Codeless uses the industry standard Hayes AT-style command set to configure and operate the module.

“The launch of the SmartBond TINY DA14531 SoC in 2019 set a new industry benchmark for BLE SoC pricing, at less than 50 cents. The DA14531 module further leverages the capabilities of the SoC, including an integrated antenna and all required components, to add BLE functionality to an IoT system in high volumes at a cost of under $1. That price point for BLE functionality, performance and quality is unmatched by competitors,” said Sean McGrath, Senior VP, Connectivity and Audio BG, Dialog Semiconductor. “Not only is this module breaking barriers in terms of cost and power, it is extremely easy for both beginners and experts to use, ensuring that all customers can benefit from its high level of integration and programmable ease of use.”

The hand solderable stamp type module offers 9 GPIO’s and measures 12.5 x 14.5mm in size. All external components, including passives, XTAL, antenna and FLASH memory, are integrated into the SmartBond TINY module, so that customers don’t need to source individual components separately.


  • Bluetooth 5.1 core qualified
  • Integrated antenna
  • Worldwide certification
  • Cortex-M0+ @16MHz
  • IoTMark™-BLE score of 18300
  • 23.75uA/MHz MCU current
  • Memory: 48kB RAM, 32kB OTP &1Mb FLASH
  • 1.8-3.3V Supply Range
  • +2.2dBM max output power
  • -93dBm sensitivity
  • Rx current 2mA at 3V
  • Tx current 4mA at 3V at 0dBm
  • Interfaces: 2xUART, SPI, I2C
  • 4-channel 10-bit ADC
  • 8 GPIO
  • Built-in temperature sensor
  • Operating temperature: -40°C to +85°C
  • Dimensions: 12.5×14.5×2.8 mm

The SmartBond TINY module is fully certified for worldwide operation, with FCC certification for the Americas and CE certification for Europe, so customers don’t need to certify platforms themselves, further reducing development time, effort and cost. The module is also effectively futureproofed, thanks to a combination of Bluetooth 5.1 compliance and support for over-the-air software updates.

Dialog’s DA14531 SoC and module are sampling now and available via DigiKey. More information on the module, SoC and ordering details can be found here: https://www.dialog-semiconductor.com/products/bluetooth-module-da14531-smartbond-tiny

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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