特性
- Input voltage 4.3V to 13.5V
- Input voltage monitoring
- Buck converter with output current regulation
- Output current 2.5A
- ±5% current regulation accuracy
- Selectable switching frequency
- Fault detection (VIN and VBAT monitoring)
- Safety timer
- Junction temperature monitoring
- -40 °C to +85 °C temperature range
- Package: WLCSP-30 (0.4mm pitch)
描述
The 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 2.5A 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%.
Benefits
- Heat dissipation problem solved
- Compatible with any rapid charging technology
- Compatible with all inductor-based chargers
- Dynamic current balancing between main and companion charger
- Adds 11W of charging power
应用
- Smartphones
- Tablets
- Battery packs
Renesas Boards & Kits
DA9155M 2.5A Companion Charger IC Evaluation Board
The DA9155M Performance Board is designed to evaluate the DA9155M slave battery charger. The optimized board layout enables testing at full-rated power and measurement of efficiency, current accuracy, transient response, and thermal performance.
The performance board includes an interface... 阅读详情
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- Model-Based Development Platform中文Offers electrochemical battery models designed to run on Renesas battery management solution platforms, enabling more accurate state estimation and improved overall battery performance.提供方: BattGenie
