PATENT CLAIM ANALYSIS

Application Number: 15772128
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-11
Patent Classification: ["323", "284000"]

Abstract:
A step-up/down power supply, in which a circuit area is small, includes a step-down unit that generates an output voltage lower than an input voltage by turning on or off a step-down switch in which the input voltage of the step-up/down power supply is applied, and a step-up unit that generates an output voltage higher than the input voltage by turning on or off a step-up switch in which a ground is applied. A step-down gate voltage control circuit controls a gate voltage of the step-down switch and includes a gate voltage generating circuit that generates a first voltage and a second voltage for turning on the step-down switch. A gate voltage switching circuit switches between the first voltage and the second voltage, and the gate voltage generating circuit includes a first voltage source that generates the first voltage and a second voltage source that generates the second voltage.

Claim (Index 14):
The power supply circuit according to  claim 11 ,\n wherein an inductor is connected to a second terminal of the step-down switch, wherein the step-up unit includes a step-up switch, wherein a first terminal of the step-up switch is connected to a ground potential, a second terminal is connected to the inductor, and a connection point of the second terminal and the inductor is connected to an output terminal for obtaining the output voltage, wherein the power supply circuit further comprises a control circuit that controls operations of the step-down switch and the step-up switch, wherein the control circuit controls the step-down switch so as to perform a switching operation and continuously turns off the step-up switch, at the time of the step-down operation for generating the output voltage lower than the input voltage, and controls the step-up switch so as to perform the switching operation and continuously turns on the step-down switch, at the time of the step-up operation for generating the output voltage higher than the input voltage, and wherein the step-down gate voltage control circuit supplies the gate voltage of the step-down switch from the charge pump circuit which is the first circuit at the time of the step-up operation, and supplies the gate voltage of the step-down switch from the bootstrap circuit which is the second circuit at the time of the step-down operation.

Metadata:
- Claim Count in Document: 32.0
- Percentile: 91.0
- Lexical Diversity: 3.25
- Patent Class: 323.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11847887', '14637747', '11994560', '10587215', '13598363']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7247108705304982
- 35 USC 102 Novelty (BERT): 0.4929115490512338
- Combined Prediction Score: 0.7015309383825717
- Mean Citation Score: 229.862632
- Max Citation Score: 250.4218
- Similarity Product: 206.2726781795144

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test