Switch control apparatus including switch control circuit and power supply apparatus including switch control circuit
AssigneeSamsung SDI Co., Ltd.
InventorSUNGJUNG KIM
Life of this patent
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Abstract
Provided are a switch control apparatus including a switch control circuit and a power supply apparatus including the switch control circuit. The switch control apparatus includes a controller configured to generate a safety signal and an enable signal, a first logic circuit configured to receive the safety signal and the enable signal, and to generate a first reset signal, a timer circuit configured to receive each of the safety signal and the first reset signal, and to generate a second reset signal, and a latch circuit configured to receive each of the safety signal, the enable signal, and the second reset signal, and to generate a retain signal.
Claims19
A switch control apparatus comprising:
- a controller configured to generate a safety signal and an enable signal;
- a first logic circuit configured to receive the safety signal and the enable signal, and to generate a first reset signal;
- a timer circuit configured to receive each of the safety signal and the first reset signal, and to generate a second reset signal;
- and
- a latch circuit configured to receive each of the safety signal, the enable signal, and the second reset signal, and to generate a retain signal.
A power supply apparatus comprising:
- a power source;
- a switch configured to electrically connect or disconnect the power source to or from at least one load;
- a controller configured to generate a safety signal and an enable signal;
- a first logic circuit configured to receive the safety signal and the enable signal, and to generate a first reset signal;
- a timer circuit configured to receive each of the safety signal and the first reset signal, and to generate a second reset signal;
- a latch circuit configured to receive each of the safety signal, the enable signal, and the second reset signal, and to generate a retain signal;
- and
- a second logic circuit configured to receive the enable signal and the retain signal, and to output a control signal for controlling opening and closing of the switch.
Dependencies are inferred from the claim text.