The LTC®4000 is a high voltage controller and power manager
which, when paired with a DC/DC converter, becomes a fullfeatured
battery charger solution. The LTC4000 is capable
of driving virtually any topology, including buck, boost, buckboost,
SEPIC and flyback converters. Its intelligent PowerPath
manager provides power to the system load when input power
is available, enabling instant-on operation even with a deeply
discharged battery. A full-featured controller, the LTC4000 can
charge a variety of battery types including lithium, nickel and
lead acid-based chemistries. Highly accurate charge current
and float voltage, as well as onboard termination, ensure safe
and accurate charging.