Patents in Class 327/536

Matches 1 - 50 out of 1095

Match	Document	Document Title
1	7622984	Charge pump circuit and methods of operation thereof A charge pump circuit and associated method and apparatuses for providing a plurality of output voltages using a single flying capacitor. The circuit includes a network of switches that are...
2	7616049	Pumping voltage generating apparatus of semiconductor integrated circuit A pumping voltage generating apparatus includes a detection signal generating unit that generates a detection signal when a pumping voltage is lower than a reference value. A pumping unit elevates...
3	7612605	Bootstrap voltage generating circuits A bootstrap voltage generating circuit includes a bias circuit having a first end coupled to a first power source node having an operation voltage, and a second end coupled to a low voltage...
4	7605663	Method and apparatus for stabilizing output frequency of PLL (phase lock loop) and phase lock loop thereof A method and an apparatus for stabilizing output from a Phase Lock Loop (PLL) and the PLL thereof is disclosed. The method mainly relates to enabling the control voltage of a voltage control...
5	7605641	Apparatus comprising a charge pump and LCD driver comprising such an apparatus Apparatus comprising a charge pump ( 20 ) with multiple independently regulated outputs (V 1 , V 2 ) for providing different voltage levels at each of said outputs. The charge pump ( 20 ) comprises...
6	7605640	N-stage exponential charge pumps, charging stages therefor and methods of operation thereof An exponential charge pump uses a number of identical or similar charging stages, each having a first and second capacitor. During a first clock phase, the first capacitor of each stage is charged...
7	7605639	Internal voltage generator of semiconductor memory device An internal voltage generator is capable of supplying a stable internal voltage regardless of an unstable external voltage. The internal voltage includes a first level detecting unit configured to...
8	7605638	Semiconductor integrated circuit including charge pump circuit A semiconductor integrated circuit that suppresses steep changes of an output voltage when starting of a charge pump circuit to suppress transient displacement of output of a circuit block...
9	7605637	Voltage multiplier and relative operating method A voltage multiplier includes a control circuit that generates first and second signals in phase opposition and a charging section. The latter comprises a first capacitor having a first terminal...
10	7605579	Measuring and controlling current consumption and output current of charge pumps The present invention is a method and apparatus for regulating current consumption and output current of a charge pump. According to some embodiments of the present invention, a first current...
11	7602233	Voltage multiplier with improved efficiency A multi-stage voltage multiplication circuit and methodology are provided which use a multi-stage charge pump boosting circuit ( 210 ) and two-stage pass gate circuit ( 220 ) having complementary...
12	7602232	Programmable fractional charge pump for DC-DC converter A charge pump provides a programmable multiplication factor for generating an output voltage. A first output voltage may be generated by connecting a first plurality of N capacitors in a first...
13	7602231	Charge-pump circuit A circuit includes a plurality of stages each including a MOS transistor and a capacitor of which one end is connected to one of a drain and a source of the MOS transistor. The plurality of stages...
14	7598797	Charge pump circuit with bipolar output A charge pump circuit with bipolar output comprises a first set of switch device capable of selectively connecting two terminals of a first transfer capacitor to a voltage source and a ground...
15	7598796	Semiconductor integrated circuit including charging pump In order to provide a semiconductor IC unit such as a microprocessor, etc., which satisfies both fast operation and lower power consumption properties with its high quality kept, the semiconductor...
16	7598795	Negative voltage converter A negative voltage converter includes six transistors. A first end and a control end of a first transistor are coupled to a signal input. A first end of a second transistor is coupled to the signal...
17	7595684	Voltage generation circuit and semiconductor memory using the same The voltage generation circuit is disclosed that has a standard voltage generation circuit, a minimum voltage setting circuit, a voltage setting circuit that gradually sets voltage by switching a...
18	7595683	Low-input-voltage charge pump In one embodiment, a charge pump system includes an input terminal at which an input voltage is received, and an output terminal at which at an output voltage is provided. N stages are connected in...
19	7595682	Multi-stage charge pump without threshold drop with frequency modulation between embedded mode operations A multimode charge pump circuit has a single charge pump that is responsive to a set of clock signals. The set of clock signals is provided in a first mode with a variable frequency according to a...
20	7595608	Gate driver for a battery pack Apparatus, method and computer program product are provided for battery management. In one implementation, a method is provided. The method includes enabling determining if a charger is coupled to...
21	7592858	Circuit and method for a gate control circuit with reduced voltage stress Circuit and method for a gate control output circuit having reduced voltage stress on the devices is disclosed. In a circuit of MOS transistors for supplying an output to control a transfer gate,...
22	7592857	Charge pump circuit A charge-pump circuit without reverse current is disclosed. The charge-pump circuit includes: several diode equivalent networks connecting in series, between any two of adjacent diode equivalent...
23	7592856	Charge pump circuit driver circuit having a plurality of oscillators A driver circuit for a charge pump circuit capable of switching between step-up ratios, may include a control unit which controls the charge pump circuit; a first oscillator outputting a first...
24	7589583	Charge pump circuit The invention is mainly directed to providing a charge pump circuit which realizes low power consumption. A first clock signal is supplied from an oscillator circuit to capacitor elements forming a...
25	7589582	Multi-level voltage generator A multilevel voltage generator includes a first positive voltage generator generating a first output voltage using a first capacitor which receives a reference voltage and is charged to a voltage...
26	7586362	Low voltage charge pump with regulation Techniques of providing a low output voltage, high current capability charge pump are given. The charge pump has multiple capacitors along with switching circuitry. In an initialization phase, the...
27	7586361	Semiconductor device comprising a charge pump operated by clock signals This disclosure concerns a semiconductor device that includes a booster portion including first switches and first capacitors; and a voltage converter comprising boosting stages each of which...
28	7586360	Power supply apparatus and method The apparatus may include a non-pumping power supply unit configured to generate a supply voltage from a power source voltage and/or configured to output the supply voltage. The apparatus may...
29	7583134	Semiconductor integrated circuit and method of controlling internal voltage of the same A semiconductor integrated circuit comprising: a first voltage generator configured to generate a first voltage in response to activation of a first enable signal, wherein the first enable signal...
30	7583133	Self-oscillating regulated low-ripple charge pump and method Charge pump circuitry ( 30 ) compares bottom plate voltages of first (C 1 ) and second (C 2 ) flying capacitors in a current mode charge pump ( 1 B) to a reference value (V DD −V 28 ) by means of...
31	7583132	Charge pump circuit A latch-type charge pump circuit is provided having first and second charge pump stages interconnected by an intermediate circuit node. The charge pump circuit includes first pump capacitors...
32	7583131	Charge pump circuit In a charge pump circuit provided with a positive electric potential generating charge pump circuit that generates a positive electric potential and a negative electric potential generating charge...
33	7583116	High output resistance, wide swing charge pump Disclosed are current sink and source circuits, a charge pump that incorporates them, and a phase locked loop that incorporates the charge pump. The current sink and source circuits each have a...
34	7579903	Power-source potential control circuit and method of trimming power-source potential A power-source potential control circuit has: an output terminal outputting a control signal to a power-source generating device which generates a power-source potential in accordance with the...
35	7579902	Charge pump for generation of multiple output-voltage levels A charge pump circuit for generating a plurality of voltages in excess of a supply voltage includes a first group of cascaded charge-pump stages, the input of a first charge pump stage in the first...
36	7579901	Charge pump circuit and electronic circuit provided therewith, and method for driving charge pump circuit It is an object of the present invention to reliably avoid problems with a load connected when stopping the operation of a charge pump circuit. The charge pump circuit is provided with a first...
37	7579888	Frequency synthesizer and charge pump circuit used therein There are included a signal generating circuit ( 8 ) that generates, based on a comparison signal outputted from a phase comparator ( 3 ) and a clock signal outputted from a crystal oscillation...
38	7576593	Two-phase charge pump circuit without body effect A two-phase charge pump circuit without the body effect includes a voltage boost stage, an input stage connected to the voltage boost stage, and a high-voltage generator connected to the input...
39	7576592	Charge pump circuit and method of controlling the same A charge pump circuit and related method are provided. The charge pump circuit includes first, second and third voltage generation units, first and second control units, and a latch-up prevention...
40	7576591	Charge pump system and corresponding method for managing voltage generation A charge pump system is provided that includes at least one first pump for generating a first working voltage, a second pump for generating a second working voltage, and a third pump for generating...
41	7576590	Swing width control circuit and high voltage pumping circuit using the same A swing width control circuit and a high voltage pumping circuit using the same are disclosed. The swing width control circuit includes a swing width controller for receiving a first pumping signal...
42	7576589	Boost voltage generating circuit including additional pump circuit and boost voltage generating method thereof A boost voltage generating circuit of a semiconductor device includes a main pump circuit having a transfer transistor, the main pump circuit to boost a voltage of a boost node and to transfer...
43	7576523	Power supply circuit and semiconductor memory A power supply circuit that outputs a set voltage from an output terminal, has a boosting circuit that boosts a voltage supplied from a power supply and outputs the voltage to the output terminal;...
44	7573321	High voltage generator A high voltage generator is provided. The high voltage generator may comprise a high voltage output node, a plurality of pumping stages, a plurality of charge transfer elements, and a field...
45	7573320	High voltage generating circuit preserving charge pumping efficiency A high voltage generating circuit is disclosed. In the high voltage generating circuit a boost node is precharged and boosted by a plurality of pump circuits and then discharged to an output...
46	7570106	Substrate voltage generating circuit with improved level shift circuit A substrate voltage generating circuit including level shifting circuits, a first power supply node of a first potential level V DD a second power supply node of a second potential level V SS ...
47	7570105	Variable current charge pump with modular switch circuit A charge pump circuit includes switch circuit modules and current modules. The number of switch circuit modules that are coupled to receive current from one of the current modules is variable. The...
48	7570104	Charge pump circuit control system The invention discloses a charge pump circuit control system comprising a level detector, a ring oscillator, and a charge pump circuit. The level detector detects the variation of the output...
49	7567118	Booster circuit An oscillation circuit 10 outputs oscillation clocks 100 different in phase, and a four-phase clock generation circuit 20 generates a four-phase clock 200 based on a difference in phase...
50	7564300	High voltage generator A high voltage generator includes a charge pump configured to output a pumping voltage in accordance with a first clock signal and a second clock signal having a level opposed to a level of the...

Matches 1 - 50 out of 1095

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