Reference Designs
Smart Lock Reference Design Enabling 5+ Years Battery Life on 4x AA Batteries
Texas Instruments
With the increasing number of building and home owners looking to retrofit smart locks (or electronic locks) to their building or home: wireless battery powered smart locks are becoming increasingly popular in today’s market. In a smart lock application: the high current motor and radio often drains the battery quickly: causing battery life to suffer. Replacing multiple batteries can be a time consuming and costly issue: and thus lowering the average current consumption is often a key design consideration.
Features
- Over 5 years battery life on 4x AA batteries in series24 lock or unlock events per dayBLE radio connection periodMotor Driver has integrated FET’s and a current sense comparator which enables easy design and small solution size with minimal discrete componentsVoltage-based battery gas gauge: integrated DC-DC converterBLE tested using third party BLE iOS and Android applicationsConfigurable advertisement interval up to 4 seconds
Applications
- Process analytics
- Spectrometer
- Electronic smart lock
- Fitness machine
- Fire alarm control panel (FACP)
- Source measurement unit (SMU)
- HVAC valve & actuator control
- Electric toothbrush
- Clinical digital thermometer
- Digital stethoscope
- Weigh scale
Product Categories
- Motor drivers
End Equipment Reference Diagrams
Application Area
End Equipment