Constant voltage to constant current transferring controller

Details Constant voltage to constant current transferring controller Constant voltage to constant current transferring controller

2007-10-09

2010-11-30

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

With detection of current or voltage amplitude

C320S159000, C323S234000

Reexamination Certificate

active

07843174

ABSTRACT:
A constant voltage to constant current transferring controller includes a voltage signal transferring circuit, a current signal transferring circuit, and an error amplifier. The voltage signal transferring circuit receives a voltage detecting signal and a first reference voltage signal, and outputs a voltage signal transferring reference signal. The current signal transferring circuit receives a current detecting signal and a second reference voltage signal, and outputs a current signal transferring reference signal. The error amplifier receives the voltage signal transferring reference signal, the current signal transferring reference signal and a third reference voltage signal, and outputs an error amplifying signal. When the level of the voltage signal transferring reference signal is larger than the level of the current signal transferring reference signal, the error amplifier outputs the error amplifying signal according to the voltage signal transferring reference signal and the third reference voltage signal.

REFERENCES:
patent: 5023541 (1991-06-01), Yosinski
patent: 6028415 (2000-02-01), Nagai et al.
patent: 6124700 (2000-09-01), Nagai et al.
patent: 6166521 (2000-12-01), Mercer et al.

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