The DA14535 is an ultra-low power SoC integrating a 2.4GHz transceiver and an Arm® Cortex®-M0+ microcontroller with a RAM of 64kB and a One-Time Programmable (OTP) memory of 12kB. It can be used as a standalone application processor or as a data pump in hosted systems. The radio transceiver, the baseband processor, and the qualified Bluetooth® low energy stack are fully compliant with the Bluetooth Low Energy 5.3 standard.

Ultra-low power can be achieved using the integrated low IQ buck-boost DC/DC which is on during sleep in buck mode.

The low system cost is achieved through the high level of integration: A complete Bluetooth Low Energy system can be achieved with the addition of six tiny external passives, a crystal, and a power source. And to lower the barrier of entry, DA14535 is also available in an easy-to-use tiny module incorporating all the needed components, making the addition of Bluetooth Low Energy to any application a simple drop-in.

Extended operating temperature range up to 105 °C and extended output power up to 4dBm enable DA14535 to support a wide range of industrial applications, next to connected health, consumer, and IoT applications. Available in a tiny 2.2mm x 3.0mm FCGQFN24 package, the DA14535 is pin-to-pin compatible with its predecessors DA14531 and DA14530. And, it is complemented by a flexible SDK supporting major compilers such as Keil and GCC out of the box.


  • Future proof, compliant with Bluetooth 5.3 (core)
  • Optimized for disposable products in connected medical, connected consumer and industrial applications
    • Designed to work with disposable, even printed batteries
    • Works well with smallest capacity batteries, <30mAh
    • Supports multiple years of shelf life
    • Inrush current can be limited for disposable batteries with high internal resistance.
    • Package design allows for low cost manufacturing with smallest possible footprint
  • Only requiring a single 32MHz crystal
  • In bypass mode no DC/DC inductor required
  • No boost converter required when working with 1.5V batteries
  • Production Line Tool for accelerated production ramp up, resulting in faster time to market and shortest production test time per device




  • Medical applications
  • Disposables
  • Beacons
  • Proximity tags and trackers
  • Wireless sensor nodes
    • Fitness trackers
    • Consumer health
  • Smartwatches
  • Human interface devices (HID)
    • Stylus pens
    • Keyboards
    • Mouse devices
    • Trackpads
  • Toys
  • Industrial appliances


Design & Development

Software & Tools

Software & Tools

Software title
Software type
SmartBond™ - CodeLess™ AT Commands
The SmartBond™ CodeLess AT Commands platform enables control of the Bluetooth® Low Energy connectivity, sensor read-out and battery check of the device.
IDE and Coding Tool Renesas
Serial Port Service (SPS)
The Serial Port Service (SPS) emulates serial cable communication.
Emulator Renesas
SmartBond™ Development Tools
SmartSnippets™ Studio is a royalty-free software development platform for SmartBond™ devices.
Software Package Renesas
SmartBond™ Flash Programmer
The Renesas SmartBond™ Flash Programmer tool lets the user program a flash device for the DA1453x, DA14585/586, and DA1469x SoCs (System on Chip).
Software Package Renesas
Renesas Bluetooth® Low Energy Mobile Application Suite
Renesas’ comprehensive collection of Bluetooth® Low Energy mobile applications: SmartBond, SmartConfig, SmartConsole, SmartTags, and SUOTA
Software Package Renesas
5 items

Software Downloads

Type Title Date
Software & Tools - Other Log in to Download ZIP 15.70 MB
1 item

Boards & Kits

Boards & Kits


Production Line Tool Kit