Power Reference Design for a Wearable Device with Wireless Charging using the bq51003 and bq25120
PMP11311
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Key Document
- Power Management Reference Design for a Wearable Device with Wireless Charging (Rev. A)
(PDF 6583 KB)
14 Apr 2016
Description
Wearable devices require advanced power management to achieve long battery run times with always-on functionality. Additionally, the devices need to use small rechargeable batteries and enable small footprint designs. This application note shows the implementation of a scalable power management solution for wearables that can be tailored for activity monitors or smart watches. The design provides a wireless charging input, highly configurable battery management solution with Li-Ion battery charger and low quiescent current (Iq) DC/DC buck, boost converter for PMOLED display, boost converter for Heart Rate Monitor (HRM), and second configurable low Iq DC/DC buck.
Features
- Wireless charging for ease of use
- Configurable charger and system power management
- Boosts for display and heart rate monitor
- Second buck for radio or dual core MCU
See the Important Notice and Disclaimer covering reference designs and other TI resources.