FEDL9077-02
Issue Date: Feb.
20, 2013
ML9077
Power-saving solar power supply control LSI
GENERAL DESCRIPTION
ML9077 controls charging a solar power current to a rechargeable battery.
The control circuit is consists of a overcharge prevention circuit, a charge control circuit and a rechargeable battery
voltage monitor circuit.
Each circuit performs following operation.
● Overcharge prevention circuit When a rechargeable battery becomes FULL charge state, the current of solar cell is drawn to VSS and the charge current for the rechargeable battery is omitted so that rechargeable battery
voltage does not rise any more.
● Charge control circuit The
voltage of solar cell (VSC) is always compared...