The LTC3350 power controller IC includes all PowerPath control, capacitor stack charging and balancing, and health monitoring to ensure a backup system is capable of reliable operation. It features a 4.5V to 35V input voltage range and over 10A of charge/backup current capability. The device also provides balancing and overvoltage protection for a series stack of one to four supercapacitors. Available in a thermally enhanced 38-lead, 5 mm x 7 mm x 0.75 mm
QFN package, the device operates over a -40°C to +125°C junction temperature range. Pricing starts at $5.25 each/1,000. A datasheet is available at http://cds.linear.com/docs/en/datasheet/3350p.pdf
Linear Technology Corp.