RT9490 Datasheet | Richtek

5A 2-4 Cell Buck-Boost Switching Battery Charger General Description The RT9490 is a highly-integrated 5A Buck-Boost switch mode battery charge management and system power path management device for 2-4 cell Li-Ion and Li-polymer battery. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I2C serial interface with charging and system settings makes the device a truly flexible solution. The remended junction temperature range is - 40C to 130C, and the ambient temperature range is - 40C to 85C. Ordering Information Package Type WSC: WL-CSP-56B 2.93x3.46...