REGULATOR WITH HIGH SPEED NONLINEAR COMPENSATION
Granted: August 13, 2020
Application Number:
20200259352
An apparatus including a proportional gain circuit, an integral gain circuit, a limit circuit, a gain booster circuit and a combiner. The gain circuits apply a proportional gain and an integral gain to an error signal, and the combiner combines both gained error signals to provide a control signal. The limit circuit applies a limit function that limits the proportional gain to a magnitude. The gain booster circuit increases gain while the limit function is being applied. The increased…
VOLTAGE CONVERTERS AND METHODS FOR USE THEREWITH
Granted: April 30, 2020
Application Number:
20200136397
A voltage error signal is provided to a PWM controller of a voltage regular and used to produce a PWM signal that drives a power stage of the regulator. When operating in an adapter current limit regulation mode, an adapter current sense voltage, indicative of an adapter current, is compared to an adapter current reference voltage to produce an adapter current error signal. A compensator receives the adapter current error signal and outputs a compensated adapter current error signal. The…
APPARATUSES AND METHODS FOR ENCAPSULATED DEVICES
Granted: September 26, 2019
Application Number:
20190294225
One embodiment is directed towards an encapsulated device. The encapsulated device includes a device, and a first encapsulation covering the device. The first encapsulation has one or more exterior surfaces. One or more recesses in one or more of the exterior surfaces is configured to receive a second encapsulation.
SWITCHING POWER SUPPLY FOR LOW STEP DOWN CONVERSION RATIO WITH REDUCED SWITCHING LOSSES
Granted: September 12, 2019
Application Number:
20190280597
Disclosed herein is a power converter with low step down conversion ratio with improved power conversion efficiency. The power converter includes a first inductor to receive the input voltage, and a second inductor to supply the output voltage to a load. The first inductor and the second inductor are electromagnetically coupled to each other. The power converter further includes a first switch coupled between the first inductor and the second inductor. The first switch is switched…
Systems and methods for an open wire scan
Granted: February 21, 2019
Application Number:
20190056454
Systems and methods for an open wire scan are provided. In certain embodiments, An apparatus comprising a circuit includes a plurality of inputs for connecting with a plurality of outputs of a multi-cell battery pack; and an open connection detection circuit, formed within the circuit, for detecting an open connection on at least one of the plurality of inputs connected to the multi-cell battery pack and generating a fault condition responsive thereto. The open connection detection…
ENHANCED POWER MODE TRANSISTIONS IN BUCK-BOOST CONVERTERS
Granted: June 14, 2018
Application Number:
20180166992
An electronic system, DC-DC voltage converter, method of operating a buck-boost DC-DC converter, and method for power mode transitioning in a DC-DC voltage converter are disclosed. For example, one method includes receiving a compensated error signal associated with an output voltage of the DC-DC voltage converter, determining a power mode of operation of the DC-DC voltage converter, and if the power mode of operation is a first mode, outputting a first control signal to regulate the…
METHOD AND SYSTEM FOR INCREASING EFFICIENCY AND CONTROLLING SLEW RATE IN DC-DC CONVERTERS
Granted: May 24, 2018
Application Number:
20180145591
One embodiment pertains to a method including transitioning a logic state of at least one enable signal. A first power transistor begins to turn off. A parameter level of the input of the first power transistor is directly sensed. A second power transistor is turned off when the parameter level is less than a threshold level.
SWITCHING POWER SUPPLY FOR LOW STEP DOWN CONVERSION RATIO WITH REDUCED SWITCHING LOSSES
Granted: April 19, 2018
Application Number:
20180109174
Disclosed herein is a power converter with low step down conversion ratio with improved power conversion efficiency. The power converter includes a first inductor to receive the input voltage, and a second inductor to supply the output voltage to a load. The first inductor and the second inductor are electromagnetically coupled to each other. The power converter further includes a first switch coupled between the first inductor and the second inductor. The first switch is switched…
VOLTAGE CONVERTERS AND METHODS TO USE THEREWITH
Granted: March 15, 2018
Application Number:
20180076641
A voltage error signal is provided to a PWM controller of a voltage regular and used to produce a PWM signal that drives a power stage of the regulator. When operating in an adapter current limit regulation mode, an adapter current sense voltage, indicative of an adapter current, is compared to an adapter current reference voltage to produce an adapter current error signal. A compensator receives the adapter current error signal and outputs a compensated adapter current error signal. The…
HYBRID POWER BUCK-BOOST CHARGER
Granted: March 15, 2018
Application Number:
20180076647
The present embodiments relate generally to managing power in a system including a battery, and more particularly to a flexible or hybrid battery charging topology for a system including a battery. In addition to being capable of operating in a conventional narrow voltage DC (NVDC) buck-boost charger mode, it is also capable of operating in a new “turbo power buck-boost” mode, where the input voltage is directly fed to the system load, bypassing the inductor. Compared with the…
METHOD AND STRUCTURE FOR REDUCING SWITCHING POWER LOSSES
Granted: February 8, 2018
Application Number:
20180040728
One embodiment is directed towards a method. The method includes forming a drift region of a first conductivity type above or in a substrate. The substrate has first and second surfaces. A first insulator is formed over a first portion of the channel, and which has a first thickness. A second insulator is formed over the second portion of the channel, and which has a second thickness that is less than the first thickness. A first gate is formed over the first insulator. A second gate is…
METHOD AND SYSTEM FOR DC-DC VOLTAGE CONVERTERS
Granted: February 1, 2018
Application Number:
20180032096
An embodiment pertains to a method including determining if an amplitude of an error signal has entered steady state. If the amplitude of the error signal has not entered steady state, then amplify with a high gain the amplitude of the AC component of the error signal. If the amplitude of the error signal has entered steady state, then initiate a timer. Determining if the amplitude of the error signal has remained in steady state while the timer runs. If the amplitude of the error signal…
OPTICAL PROXIMITY SENSORS WITH RECONFIGURABLE PHOTO DIODE ARRAY
Granted: January 11, 2018
Application Number:
20180011176
Optical proximity sensors, methods for use therewith, and systems including optical proximity sensor are described herein. Such an optical proximity sensor includes a light source and a light detector, wherein the light detector includes a plurality of individually selectable photodiodes (PDs). During a calibration mode, individual PDs of the plurality of PDs of the light detector are tested to identify which PDs are crosstalk dominated. During an operation mode, the PDs of the light…
COUPLED-INDUCTOR POWER-SUPPLY CONTROLLER FOR OPERATING A POWER SUPPLY IN A REDUCED-POWER-DISSIPATION MODE
Granted: December 21, 2017
Application Number:
20170366087
An embodiment of a power-supply controller includes first and second circuits. The first circuit is operable to cause a first current to flow through a first phase of a power supply. And the second circuit is operable to cause the second phase of the power supply to operate in a reduced-power-dissipation mode for at least a portion of a time period during which a second current magnetically induced by the first current flows through the second phase.
POWER SUPPLY WITH ENHANCED PHASE CURRENT SHARING
Granted: December 14, 2017
Application Number:
20170358986
A system, power supplies, controller and method for enhanced phase current sharing are disclosed. For example, a power supply for enhanced phase current sharing is disclosed, which includes a plurality of power modules, a communication bus coupled to an input of each power module of the plurality power modules, and an output voltage node coupled to a first side of an inductor of each power module of the plurality of power modules, wherein each power module of the plurality of power…
METHOD AND CIRCUITRY TO SOFT START HIGH POWER CHARGE PUMPS
Granted: December 7, 2017
Application Number:
20170353105
A method to soft start a charge pump circuit according to embodiments includes enabling switching for a plurality of power transistors, selecting a first switching control signal from a plurality of switching control signals for the selected plurality of power transistors, slowly ramping up a plurality of bootstrap supply voltages associated with the selected plurality of power transistors, driving a gate-to-source voltage of each power transistor of the selected plurality of power…
SYSTEMS AND METHODS FOR LEAD FRAME LOCKING DESIGN FEATURES
Granted: November 16, 2017
Application Number:
20170330823
Systems and methods for lead frame locking design features are provided. In one embodiment, a method comprises: fabricating a lead frame for a chip package, the lead frame having a paddle comprising a step-out bottom locking feature profile across at least a first segment of an edge of the paddle that provides an interface with a mold compound; etching the paddle to have at least a second segment of the edge having either an extended-step-out bottom locking feature profile or an…
CIRCUIT MODULE SUCH AS A HIGH-DENSITY LEAD FRAME ARRAY POWER MODULE, AND METHOD OF MAKING SAME
Granted: November 9, 2017
Application Number:
20170325333
A circuit module includes a plurality of electronic components and a single-layer conductive package substrate. The single-layer conductive package substrate is adapted to physically support and electrically interconnect the electronic components. The substrate has a peripheral portion and an interior portion. The peripheral portion includes a plurality of peripheral contact pads coupled to corresponding electronic components. The interior portion includes a plurality of floating contact…
ENHANCED LAYOUT OF MULTIPLE-FINGER ELECTROSTATIC DISCHARGE (ESD) PROTECTION DEVICE
Granted: October 26, 2017
Application Number:
20170309614
An enhanced layout for a multiple-finger ESD protection device has several embodiments. In these embodiments, the base contacts of the NPN (or PNP) transistors utilized as voltage clamps in the multiple-finger NPN-based (or PNP-based) multiple-finger ESD protection device are disposed at opposite edges of the multiple-finger ESD protection device and oriented perpendicularly to the orientation of the fingers in the multiple-finger ESD protection device. Similarly, the body contacts of…
ENHANCED ELECTROSTATIC DISCHARGE (ESD) CLAMP
Granted: October 26, 2017
Application Number:
20170310104
An enhanced ESD clamp is provided with a resistor connected between the body terminal and the source terminal of a MOSFET device. In one exemplary embodiment, the MOSFET device is a grounded-gate NMOS (ggNMOS) transistor device with the resistor (“body resistor”) connected externally to the MOSFET device. In another embodiment, the MOSFET device is a ggPMOS transistor device. In yet another embodiment, the body resistor is disposed within and connected internally to the MOSFET…
