Floating driving circuit
First Claim
1. A differential floating driving circuit, comprising:
- an input circuit, for receiving an input signal;
a floating differential circuit, for receiving differential trigger signals to generate a set signal and a reset signal;
a floating latch circuit, coupled to said floating differential circuit to receive said set signal and said reset signal for generating a latch signal to turn on/off a switch; and
coupling capacitors, coupled between said input circuit and said floating differential circuit to generate said differential trigger signals in response to said input signal wherein first terminals of said coupling capacitors are directly coupled to said input circuit and second terminals of said coupling capacitors are directly coupled to said floating differential circuit, said differential trigger signals generated in a differential mode;
wherein said floating latch circuit changes a state of said latch signal in response to a change of said differential trigger signals.
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Accused Products
Abstract
A floating driving circuit according to the present invention comprises an input circuit to receive an input signal. A latch circuit receives a trigger signal for generating a latch signal. The latch signal is used to turn on/off a switch. A coupling capacitor is connected between the input circuit and the latch circuit to generate the trigger signal in response to the input signal. A diode is connected from a voltage source to a floating supply terminal of the latch circuit for charging a capacitor. The capacitor is coupled between the floating supply terminal and a floating ground terminal of the latch circuit to provide a supply voltage to the latch circuit. The latch circuit is controlled by the input signal via the coupling capacitor.
9 Citations
3 Claims
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1. A differential floating driving circuit, comprising:
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an input circuit, for receiving an input signal; a floating differential circuit, for receiving differential trigger signals to generate a set signal and a reset signal; a floating latch circuit, coupled to said floating differential circuit to receive said set signal and said reset signal for generating a latch signal to turn on/off a switch; and coupling capacitors, coupled between said input circuit and said floating differential circuit to generate said differential trigger signals in response to said input signal wherein first terminals of said coupling capacitors are directly coupled to said input circuit and second terminals of said coupling capacitors are directly coupled to said floating differential circuit, said differential trigger signals generated in a differential mode; wherein said floating latch circuit changes a state of said latch signal in response to a change of said differential trigger signals. - View Dependent Claims (2, 3)
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Specification