Smartwatch

Products and reference designs

Smartwatch

Block diagram

Overview

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.

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Block diagram

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Technical documentation

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Type Title Date
Application note Haptic Implementation Considerations for Mobile and Wearable Devices (Rev. A) PDF | HTML Nov 14, 2021
Application note Haptic Energy Consumption (Rev. A) PDF | HTML Sep 28, 2021
Technical article Three reasons to add a voltage supervisor to your next wearable power design PDF | HTML Jun 17, 2021
Analog design Journal Methods of output-voltage adjustment for DC/DC converters Jun 14, 2019
Technical article With capacitive touch, liquid is no longer kryptonite to keypads PDF | HTML Nov 27, 2018
Technical article No strings attached: Creating next-generation wireless patient monitors PDF | HTML Jun 29, 2018
Technical article Optical heart-rate sensors for biometric wearables PDF | HTML May 3, 2018
Technical article The future of wearable biosensors and linear chargers PDF | HTML Dec 4, 2017
Application note Improved Fast Charge Using the bq25120 Adjustible VBATREG, Charge Current, TS, Aug 8, 2016
Analog design Journal Battery-charging considerations for low-power applications Apr 26, 2016
Application note How to Design an SpO2 and OHRM System Using AFE4403 Mar 2, 2015
White paper Bio-patch Solutions for health and fitness (Rev. A) Dec 9, 2014
White paper Designing and evaluating an NFC-enabled bio-patch Dec 1, 2014
Product overview Haptic Solutions for Wearable Devices (Rev. A) Sep 30, 2014
Product overview Battery Management Solutions for Wearable and Fitness Devices (Rev. C) Aug 18, 2014
Application note DRV2605 Device Setup Guide Jul 9, 2014
More literature Adapting Qi-compliant wireless-power solutions to low-power wearable products Jun 6, 2014
Application note Low-Power Pedometer Using an MSP430 MCU May 28, 2013

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