Abstract: Certain aspects of the present disclosure provide an apparatus for noise cancellation. One example apparatus generally includes a first delay path and a second delay path, each providing signals generated by applying a different delay to an input signal, and a first comparator having a first input coupled to the first delay path and a second input coupled to the second delay path. The apparatus also includes a switching circuit having a control input coupled to an output of the first comparator, the switching circuit configured to selectively couple the first delay path or the second delay path to an output node of the switching circuit based on a signal at the control input. The apparatus also includes an attenuation circuit having a first input coupled to an input path for providing the input signal, and a second input coupled to the output node of the switching circuit.

Abstract: Exemplary embodiments are related to a switching power converter. A device may include a switching unit configured to receive an input voltage and convey an output voltage. The device may further include a feedback path including a pulse-width modulator having an input directly coupled to the output voltage and configured to convey a signal to the switching unit.

Abstract: Exemplary embodiments are related to generating an error correction voltage and/or a compensation voltage based upon pulse-width modulation information. A device may include a pulse-width modulator configured to receive a first input voltage and convey a modulated output voltage. The device may also include a filtering unit including at least one filter configured to receive the modulated output voltage, generate at least one of an error correction voltage and a compensation voltage, and convey a second input voltage to the pulse-width modulator based on at least one of the error correction voltage and a compensation voltage.

Abstract: Exemplary embodiments are related to a switching voltage regulator. A device may include a first transistor having a gate configured to receive a first signal and a second transistor having a gate configured to receive a second signal. The device may also include a controller configured to measure at least one of a difference between a rising edge of the first signal and an associated rising edge of the second signal and a difference between a falling edge of the first signal and an associated falling edge of the second signal. The controller may also be configured to delay one of the first signal and the second signal if the rising edge of the first signal occurs before or after the associated rising edge of the second signal or if the falling edge of the first signal occurs before or after the associated falling edge of the second signal.

Abstract: Exemplary embodiments are related to a switching voltage regulator. A switching voltage regulator may include a current limit detector configured to detect an over-current condition. The switching voltage regulator may further include a pulse-width modulation (PWM) module coupled to the current limit detector and configured to convey a PWM signal based on a programmed switching frequency and an output voltage and in response to the over-current condition.

Abstract: Exemplary embodiments are related to a switching voltage regulator. A switching voltage regulator may include a current limit detector configured to detect an over-current condition. The switching voltage regulator may further include a pulse-width modulation (PWM) module coupled to the current limit detector and configured to convey a PWM signal based on a programmed switching frequency and an output voltage and in response to the over-current condition.

Abstract: Exemplary embodiments are related to a switching power converter. A device may include a switching unit configured to receive an input voltage and convey an output voltage. The device may further include a feedback path including a pulse-width modulator having an input directly coupled to the output voltage and configured to convey a signal to the switching unit.

Abstract: Exemplary embodiments are related to generating an error correction voltage and/or a compensation voltage based upon pulse-width modulation information. A device may include a pulse-width modulator configured to receive a first input voltage and convey a modulated output voltage. The device may also include a filtering unit including at least one filter configured to receive the modulated output voltage, generate at least one of an error correction voltage and a compensation voltage, and convey a second input voltage to the pulse-width modulator based on at least one of the error correction voltage and a compensation voltage.

Abstract: Exemplary embodiments are related to a switching voltage regulator. A device may include a first transistor having a gate configured to receive a first signal and a second transistor having a gate configured to receive a second signal. The device may also include a controller configured to measure at least one of a difference between a rising edge of the first signal and an associated rising edge of the second signal and a difference between a falling edge of the first signal and an associated falling edge of the second signal. The controller may also be configured to delay one of the first signal and the second signal if the rising edge of the first signal occurs before or after the associated rising edge of the second signal or if the falling edge of the first signal occurs before or after the associated falling edge of the second signal.

Abstract: A narrow pulse filter is disclosed. The narrow pulse filter includes a first tri-state inverter. The narrow pulse filter further includes a pulse generator coupled to the first tri-state inverter. The pulse generator is configured to cause the first tri-state inverter to enter a high-impedance state to filter out a narrow pulse from a signal input to the first tri-state inverter.

Abstract: Circuitry configured for controlling a voltage is described. The circuitry includes a transient detector that detects a transient in a first frame. The circuitry also includes a controller coupled to the transient detector. The controller determines a duty cycle during a period upon detection of the transient and promotes a second frame based on the period.

Abstract: Circuitry configured for detecting a transient is described. The circuitry includes an analog-to-digital converter that obtains a first voltage sample at a first time and a second voltage sample at a second time. The circuitry also includes a slope detector coupled to the analog-to-digital converter. The slope detector determines a first slope based on the first voltage sample and the second voltage sample. The circuitry further includes a threshold detector coupled to the slope detector. The threshold detector generates a first signal if the first slope exceeds a transient threshold.

Abstract: A power supply is described. The power supply includes a synchronous sampled comparator. The synchronous sampled comparator includes a first input that receives a reference voltage. The synchronous sampled comparator also includes a second input that receives a feedback signal. The power supply also includes power field effect transistors (FETs). The power supply further includes an inductor coupled to the power FETs and coupled to the second input. The power FETs generate a power supply voltage using the inductor. The power supply voltage is a direct current (DC) power supply voltage.