Products and reference designs


Block diagram


Our integrated circuits and reference designs help you create small, reliable and efficient smartwatch systems that track user health and activity, run native apps, communicate to other devices, process voice commands via the internet, play music and tell time.

Design requirements:

Modern smartwatch designs require:

  • Compact battery management with ultra-low standby for longer battery run time.
  • Multiparameter biosensing to monitor user health and physical activity.
  • Vivid, high-resolution OLED display with capacitive touch and haptic feedback.

Block diagram

Find products and reference designs for your system.

Technical documentation

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Type Title Date
More literature Adapting Qi-compliant wireless-power solutions to low-power wearable products 30 Apr 2014
Application note Low-Power Pedometer Using an MSP430 MCU 28 May 2013
Technical articles Enabling smart meter wireless connectivity with level translation 23 Oct 2019
Technical articles Energy harvesting is not new - so why isn’t everybody using it? 23 Mar 2015
Technical articles How Space-Enhanced Plastic devices address challenges in low-Earth orbit applications 19 Sep 2022
Technical articles Selecting the right battery charger for industrial applications 13 Jul 2016
White paper Designing and evaluating an NFC-enabled bio-patch 13 Jan 2015
Application note Haptic Implementation Considerations for Mobile and Wearable Devices (Rev. A) PDF | HTML 11 May 2022
More literature Haptic Solutions for Wearable Devices (Rev. A) 10 Oct 2014
Application note Haptic Energy Consumption (Rev. A) PDF | HTML 10 May 2022
More literature Battery Management Solutions for Wearable and Fitness Devices (Rev. C) 09 Sep 2014
White paper Bio-patch Solutions for health and fitness (Rev. A) 09 Dec 2014
Application note DRV2605 Device Setup Guide 08 Jul 2014
Application note Improved Fast Charge Using the bq25120 Adjustible VBATREG, Charge Current, TS, 08 Aug 2016
Application note How to Design an SpO2 and OHRM System Using AFE4403 03 Mar 2015
Analog Design Journal Battery-charging considerations for low-power applications 02 May 2016
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 02 Jul 2019

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