Circuit and method for controlling DC-DC converter

Details Circuit and method for controlling DC-DC converter Circuit and method for controlling DC-DC converter

2006-08-30

2010-02-16

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

Pulsed

C320S134000, C320S163000, C320S164000, C307S059000, C307S066000

Reexamination Certificate

active

07663345

ABSTRACT:
A DC-DC converter for generating a stable output voltage and being applicable to a transient load fluctuation. The DC-DC converter detects an input current, and compares the input current with a rated current of an external power supply. The DC-DC converter controls a positive charging current that is supplied to a secondary battery in accordance with a consumption current of a load so that the input current does not exceed the rated current. The DC-DC converter further controls a negative charging current that is supplied from the secondary battery to the load when the load requires an input current exceeding the rated current.

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