TIDA-00186 reference design from Texas Instruments
application notes and circuits for Bq25010/11/12/15/17 Evm For Single-chip Charger And Dc-dc Converter For Bluetooth Headsets And Other Portable Applications
TIDA-00186 reference design | TI.com
Modifying a Bluetooth Headset Device - Homemade Circuit Projects
Bluetooth Digital Setting Circles « The Ek's Files