The RT9426 is a single-cell Li-ion/Li-Polymer battery fuel gauge, applying VGCS (Voltaic Gauge™ with Current Sensing) algorithm to determine the state of charge (SOC), state of health (SOH), Full Charge Capacity (FCC), Time to Empty (TTE) and Cycle Count with an accuracy of ±1%. It provides complete battery status monitor with an interrupt alarm function. For high current battery charging applications, it can measure battery voltage by kelvin sense connection to eliminate the IR drop effect for optimal charging profile and safety. The RT9246 is available in WDFN and CSP small packages for options.
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