What the cell count and supply voltage mean for your BOM
The DS2715Z+ is a NiMH battery charger IC that handles 1 to 10 series cells — so a single part covers everything from a 1.2V single-cell portable to a 12V multi-cell pack in a power tool or medical device. Maximum supply voltage is 16.5V, meaning it can run off a regulated 12V rail or a 5V USB supply without an external pre-regulator, as long as the input stays under that ceiling.
