Most configurable buck for the most efficient solution
The DA9230 is an ultra-low quiescent current, high-efficiency buck regulator in a compact I2C configurable WLCSP package targeting battery powered applications needing highly efficient power supplies. The battery life of these devices is significantly improved due to the low quiescent current delivered by DA9230 during operation and shutdown.
The buck regulator extends high light load efficiency down to 10 µA further extending battery life. Dynamic Voltage Control in the Buck regulator facilitates optimization across the system power modes enabling further improvement in system efficiency and battery life. The DA9230 provides multiple protection features and comes with the ability to monitor the events and indicators in the GPO pin.
Features
300 mA buck converter
- 750 nA total input current (buck enabled no load)
- Up to 81% efficiency at 1.8 V output, 10 µA load currents
- Input voltage 2.5 V to 5.5 V
- Output voltage 0.6 V to 1.9 V
- Dynamic Voltage Control (DVC)
I2C interface for device configuration and control
Protection features and System Monitors
Benefits
Longer battery life
Design flexibility through configurability
Small solution size
Future proofing for new technology MCUs with 0.6 V min buck output voltage
Future proofing for new technology batteries with 2.5 V min input voltage
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Wearables – wrist wear, hearables, pet wearables
Smart devices - thermostats and door locks
Smoke detectors
Portable medical devices
Remote sensors
High efficiency, low power applications
Package
12-pin WLCSP (1.65 x 1.25 mm)
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The smallest PMIC for the most efficient solution