Patent application number | Description | Published |
20090302931 | LOW-POWER VOLTAGE REFERENCE - A circuit provides a voltage reference using very low power. It can also be used as a shut regulator for a quiescent current as low as 1.5μA. It includes a transconductance amplifier, a gain stage, and a power transistor. One embodiment of this invention utilizes a work function difference between p | 12-10-2009 |
20120007567 | LOW LOSS DISCHARGE CIRCUITS FOR EMI FILTER CAPACITORS - A discharge circuit for an EMI filter capacitor includes normally-ON transistors. The normally-ON transistors may be controlled to limit current through them when an AC source is coupled across the discharge circuit. When the AC source is disconnected from the discharge circuit, the normally-ON transistors turn ON to allow current flow through them. The current flow allows the EMI filter capacitor to be discharged by a discharge resistor. | 01-12-2012 |
20140043875 | OFF-LINE REGULATOR AND ASSOCIATED METHOD - The present invention discloses an off-line regulator. The off-line regulator comprises a rectification circuit configured to rectify an AC line voltage into a rectified line voltage; a pass device coupled between the rectified line voltage and a first capacitor, the pass device is configured to be turned ON or OFF according to a comparison signal indicating whether the rectified line voltage is over a threshold voltage. The first capacitor delivers an interim voltage into a converter which supplies power to a load. Wherein a second capacitor coupled across a driver which driving the pass device is charged by the first capacitor when the comparison signal is at a first state, and the driver is boosted when the comparison signal is at a second state. | 02-13-2014 |
20140107857 | DIGITALLY CALIBRATED VOLTAGE REGULATORS FOR POWER MANAGEMENT - A computer provides a graphical user interface for displaying a virtual representation of a voltage regulator and for accepting a user requirement for the voltage regulator. The computer automatically determines an internal calibration setting of the voltage regulator that meets the user requirement. The computer simulates operation of the voltage regulator as calibrated with the internal calibration setting. The internal calibration setting is downloaded to the voltage regulator. A calibration controller of the voltage regulator receives the internal calibration setting and outputs digital calibration bits in accordance with the internal calibration setting. The digital calibration bits works in conjunction with interface circuits to adjust circuits of a voltage regulator core to digitally calibrate the voltage regulator. | 04-17-2014 |
20150356226 | REMOTE CONFIGURATION OF VOLTAGE REGULATOR INTEGRATED CIRCUITS - A design server provides an online service for remotely configuring a voltage regulator integrated circuit (IC). A customer may employ a customer computing device to connect to the design server. The design server may receive from the customer computing device a user requirement for the voltage regulator IC. The design server may select one or more external components to configure the voltage regular IC to meet the user requirement. The design server may automatically place an order for the external components online. The external components may be available from commercial partners of the vendor of the voltage regulator IC. | 12-10-2015 |
Patent application number | Description | Published |
20100252918 | MULTI-DIE PACKAGE WITH IMPROVED HEAT DISSIPATION - The present invention discloses a multi-die package which facilitates heat dissipation for a high power consumption die. In the package, part of the lead frame is bent so as to be exposed at the surface of the package. On the opposite side of the exposed surface, a high power consumption die is attached. The other die with lower power consumption is not at the surface of the multi-die package. | 10-07-2010 |
20100302810 | VOLTAGE CONVERTERS WITH INTEGRATED LOW POWER LEAKER DEVICE AND ASSOCIATED METHODS - Voltage converters with integrated low power leaker device and associated methods are disclosed herein. In one embodiment, a voltage converter includes a switch configured to convert a first electrical signal into a second electrical signal different than the first electrical signal. The voltage converter also includes a controller operatively coupled to the switch and a leaker device electrically coupled to the controller. The controller is configured to control the on and off gates of the switch, and the leaker device is configured to deliver power to the controller. The leaker device and the switch are formed on a first semiconductor substrate, and the controller is formed on second semiconductor substrate separate from the first semiconductor substrate. | 12-02-2010 |
20110062554 | HIGH VOLTAGE FLOATING WELL IN A SILICON DIE - In one embodiment, a graded n-doped region surrounding a well, and a spiral resistor connected to the well and to a p-doped region surrounding the graded n-doped region. | 03-17-2011 |
20110068377 | HIGH VOLTAGE JUNCTION FIELD EFFECT TRANSISTOR WITH SPIRAL FIELD PLATE - In one embodiment, a junction field effect transistor having a substrate, wherein formed on the substrate is a graded n-doped region having a high doping concentration in an inner region and a low doping concentration in an outer region, with a p-doped buried region adjacent to the graded n-doped region near the outer region, and a spiral resistor connected to the graded n-doped region at its inner region and at its outer region. An ohmic contact at the inner region provides the drain, an ohmic contact at the outer region provides the source, and an ohmic contact at the substrate provides the gate. | 03-24-2011 |
20110068410 | SILICON DIE FLOORPLAN WITH APPLICATION TO HIGH-VOLTAGE FIELD EFFECT TRANSISTORS - A floorplan for a die having three high-voltage transistors for power applications is described. The three high-voltage transistors are specifically placed in relation to each other to optimize operation. | 03-24-2011 |
20110084333 | POWER DEVICES WITH SUPER JUNCTIONS AND ASSOCIATED METHODS MANUFACTURING - Power devices with super junctions and associated methods of manufacturing are disclosed herein. In one embodiment, a method for forming a power device includes forming an epitaxial layer on a substrate material and forming a trench in the epitaxial layer. The trench has a first sidewall, a second sidewall, and a bottom between the first and second sidewalls. The method also includes forming an insulation material on at least one of the first and second sidewalls of the trench and diffusing a dopant into the epitaxial layer via at least one of the first and second sidewalls of the trench via the insulation material. | 04-14-2011 |
20110188218 | LAYOUT SCHEMES AND APPARATUS FOR MULTI-PHASE POWER SWITCH-MODE VOLTAGE REGULATOR - A multi-phase voltage regulator is disclosed where each phase is comprised of an array of high and low side transistors that are integrated onto a single substrate. Further, a system of mounting the voltage regulator onto a flip chip and lead frame is disclosed wherein the source and drain lines form an interdigital pattern. | 08-04-2011 |
20110227147 | SUPER JUNCTION DEVICE WITH DEEP TRENCH AND IMPLANT - RESURF effect devices with both relatively deep trenches and relatively deep implants are described herein. Also, methods of fabricating such devices are described herein. A RESURF effect device may include alternating regions of first and second conductivity types where each of the second regions includes an implant region formed into a trench region of the second region. | 09-22-2011 |