Semiconductor apparatus for charging capacitors

Details Semiconductor apparatus for charging capacitors Semiconductor apparatus for charging capacitors

2005-03-22

2009-02-24

Ullah, Akm E (Department: 2838)

Electricity: battery or capacitor charging or discharging

Capacitor charging or discharging

C327S081000

Reexamination Certificate

active

07495418

ABSTRACT:
A semiconductor apparatus is disclosed, including: multiple parallel monitor circuits each configured to control charge to a capacitor by controlling a transistor that bypasses, if the voltage of the capacitor exceeds a predetermined reference voltage, charge current provided to the capacitor. The semiconductor apparatus further includes high voltage side IC connection output terminals each connected to an open drain of N channel transistor; high voltage side IC connection input terminals each connected to a terminal of a high resistance component and to an inverter input terminal; low voltage side IC connection output terminal each connected to an open drain of P channel transistor; and low voltage side IC connection input terminal each connected to a terminal of a high resistance component and to an inverter input terminal.

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