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Overview

Description

Module available: DA14535MOD

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.

Features

  • 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 the 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 the smallest possible footprint
  • Only requiring a single 32MHz crystal
  • In bypass mode, no DC/DC inductor is required
  • No boost converter is 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

Comparison

Applications

Documentation

Design & Development

Software & Tools

Software Downloads

Type Title Date
Software & Tools - Other Log in to Download ZIP 25.49 MB
Software & Tools - Other
PCB Design Files ZIP 1.02 MB
PCB Design Files ZIP 1.37 MB
PCB Design Files ZIP 998 KB
Software & Tools - Other Log in to Download ZIP 15.70 MB
Software & Tools - Software
Software & Tools - Software
8 items

Sample Code

Sample Code

Filters
Type Title Date Date
Sample Code
Sample Code ZIP 12 KB
2 items

Boards & Kits

Models

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Diagram of ECAD Models

Product Options

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Support

Support Communities

Support Communities

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Browse FAQs

FAQs

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Support Communities

  1. Does DA14535 Support LE Audio and ISO related CIG/BIS HCI Commands?

    ... provided in SDK6.0.22.1401? Or is it a limitation of the DA14535 hardware itself, meaning it doesn't support ISO or LE Audio features at all? What is the latest version of HCI firmware that can be flashed on to DA14535 ? Thank you in advance for your help!

    Jun 3, 2025
  2. Queries Regarding HCI Firmware on SmartBond TINY DA14535 BLE USB Development Kit

    ... MikroBus on DA14535 (P0_6 as RX, P0_5 as TX) Goal: I intend to use the EK-RA8M1 as the BLE host and the DA14535 USB Dev Kit as a BLE controller via HCI over UART. Current Setup & Observations: I have configured the DIP switches on the DA14535 ...

    Apr 10, 2025
  3. How to reset the DA14535 via SWD

    Translator Translator Translator Hello Community,We are working on a battery-powered ultrasonic flow meter using the DA14531MOD as Hello Community,I have developed a programming algorithm to program the external SPI memory connected to the DA14535 via SWD. It works fine when both the device and the SPI memory ...

    Mar 22, 2025
View All Results from Support Communities (29)

FAQs

  1. How do I get started with the DA14531 and DA14535 development kits?

    For a step-by-step guide on starting with the DA14531, please refer to this getting started guide for DA14531. If you’re working with the DA14535, you can find its getting started guide here for DA14535.

    Nov 22, 2024
  2. What certifications are available for the DA14535 Module?

    The available certifications for the DA14531 Module can be found at the following link: DA14535 Module Certifications.

    Nov 22, 2024
  3. How to boot from non-standard UART booting pins on DA14535?

    The SmartBoot image creation tool can assist users in creating and configuring a secondary bootloader that supports booting over UART from any combination of GPIO's. Reference SmartBoot Tool

    Nov 22, 2024
View All Results from FAQs (15)

Videos & Training