Adds 11W Charging Power
DA9155M offers a small solution that can be easily added on to existing main charger circuit designs and solves the heat dissipation problem created when the rapid charging feature is adopted in a system. It is compatible to all rapid charging technologies. DA9155M is added in parallel with the main battery charger to solve the thermal issue.
DA9155M features a Buck converter capable of 2.5 A constant output current with an accuracy of ±5%. Current sensing is performed with a fully integrated circuit. The peak efficiency of the Buck converter is 92%.
Features
Input voltage 4.3 -13.5 V
Input voltage monitoring
Buck converter with output current regulation
- Output current 2.5 A
- < >5% current regulation accuracy
- Selectable switching frequency
Fault detection (VIN and VBAT monitoring)
Safety timer
Junction temperature monitoring
-40 to +85 °C temperature range
Benefits
Heat dissipation problem solved
Compatible to any rapid charging technology
Compatible to all inductor based chargers
Dynamic current balancing between main and companion charger
Applications
Smartphone
Tablet
Battery Packs
Package
WLCSP-30 (0.4 mm pitch)
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