MM3439 Overview
MITSUMI Lithium-Ion Battery Charge Control IC MM3439 Lithium-Ion Battery Charge Control IC Monolithic IC MM3439 Outline This IC is a Mitsumi has developed an IC that monitors 3 power supplies constituted by an AC adaptor, the USB port, and lithium ion secondary battery and controls the system drive power supply and the charging. The charging control is adapted to the battery temperature profile. The IC is equipped...