Abstract: In one example, an apparatus comprises: a voltage sensing circuit having a voltage sensing terminal and a voltage sensing output, the voltage sensing circuit configured to generate a first voltage at the voltage sensing output representing a second voltage at the voltage sensing terminal; a control circuit having a control circuit input and a control circuit output, the control circuit input coupled to the voltage sensing output, the control circuit configured to: determine a state of a transistor based on the first voltage; and generate a driver signal at the control circuit output based on the state; and a driver circuit having a driver input and a switch control output, the driver input coupled to the control circuit output, the driver circuit configured to provide a current at the switch control output responsive to the driver signal.

Abstract: In one example, an apparatus comprises: a voltage sensing circuit having a voltage sensing terminal and a voltage sensing output, the voltage sensing circuit configured to generate a first voltage at the voltage sensing output representing a second voltage at the voltage sensing terminal; a control circuit having a control circuit input and a control circuit output, the control circuit input coupled to the voltage sensing output, the control circuit configured to: determine a state of a transistor based on the first voltage; and generate a driver signal at the control circuit output based on the state; and a driver circuit having a driver input and a switch control output, the driver input coupled to the control circuit output, the driver circuit configured to provide a current at the switch control output responsive to the driver signal.

Abstract: In one example, an apparatus comprises: a voltage sensing circuit having a voltage sensing terminal and a voltage sensing output, the voltage sensing circuit configured to generate a first voltage at the voltage sensing output representing a second voltage at the voltage sensing terminal; a control circuit having a control circuit input and a control circuit output, the control circuit input coupled to the voltage sensing output, the control circuit configured to: determine a state of a transistor based on the first voltage; and generate a driver signal at the control circuit output based on the state; and a driver circuit having a driver input and a switch control output, the driver input coupled to the control circuit output, the driver circuit configured to provide a current at the switch control output responsive to the driver signal.

Abstract: An apparatus includes a voltage divider circuit including a plurality of series-connected capacitors and including an input terminal of one of the capacitors configured to receive a first voltage from a switch, and a ring node comprising the connection between at least two of the series-connected capacitors. The apparatus further includes a negative clamp circuit coupled to the ring node of the voltage divider circuit and a bias voltage node. The bias voltage node is configured to receive a bias voltage and responsive to a ring voltage on the ring node being less than the bias voltage, the negative clamp circuit is configured to clamp the ring voltage at a first threshold voltage. The apparatus also includes a peak detector circuit coupled to the ring node of the voltage divider circuit and configured to detect a peak amplitude of the ring voltage.

Abstract: An apparatus to monitor and control a switching rate in a switch includes a differentiator circuit including a capacitor and a configurable resistor. The differentiator circuit further includes an input terminal of the capacitors configured to receive a first voltage from a switch and a differentiator node configured to receive a differentiated voltage based on the first voltage. The apparatus includes a peak detector circuit coupled to the differentiator node and configured to detect a peak value of the differentiated voltage. The apparatus further includes a driver circuit coupled to the peak detector circuit and configured to adjust a control signal to the switch responsive to the detected peak value of the differentiated voltage.

Abstract: An apparatus includes a voltage divider circuit including a plurality of series-connected capacitors and including an input terminal of one of the capacitors configured to receive a first voltage from a switch, and a ring node comprising the connection between at least two of the series-connected capacitors. The apparatus further includes a negative clamp circuit coupled to the ring node of the voltage divider circuit and a bias voltage node. The bias voltage node is configured to receive a bias voltage and responsive to a ring voltage on the ring node being less than the bias voltage, the negative clamp circuit is configured to clamp the ring voltage at a first threshold voltage. The apparatus also includes a peak detector circuit coupled to the ring node of the voltage divider circuit and configured to detect a peak amplitude of the ring voltage.

Abstract: An apparatus includes a voltage divider circuit including a plurality of series-connected capacitors and including an input terminal of one of the capacitors configured to receive a first voltage from a switch, and a ring node comprising the connection between at least two of the series-connected capacitors. The apparatus further includes a negative clamp circuit coupled to the ring node of the voltage divider circuit and a bias voltage node. The bias voltage node is configured to receive a bias voltage and responsive to a ring voltage on the ring node being less than the bias voltage, the negative clamp circuit is configured to clamp the ring voltage at a first threshold voltage. The apparatus also includes a peak detector circuit coupled to the ring node of the voltage divider circuit and configured to detect a peak amplitude of the ring voltage.

Abstract: An apparatus to monitor and control a switching rate in a switch includes a differentiator circuit including a capacitor and a configurable resistor. The differentiator circuit further includes an input terminal of the capacitors configured to receive a first voltage from a switch and a differentiator node configured to receive a differentiated voltage based on the first voltage. The apparatus includes a peak detector circuit coupled to the differentiator node and configured to detect a peak value of the differentiated voltage. The apparatus further includes a driver circuit coupled to the peak detector circuit and configured to adjust a control signal to the switch responsive to the detected peak value of the differentiated voltage.

Abstract: An apparatus includes a voltage divider circuit including a plurality of series- connected capacitors and including an input terminal of one of the capacitors configured to receive a first voltage from a switch, and a ring node comprising the connection between at least two of the series-connected capacitors. The apparatus further includes a negative clamp circuit coupled to the ring node of the voltage divider circuit and a bias voltage node. The bias voltage node is configured to receive a bias voltage and responsive to a ring voltage on the ring node being less than the bias voltage, the negative clamp circuit is configured to clamp the ring voltage at a first threshold voltage. The apparatus also includes a peak detector circuit coupled to the ring node of the voltage divider circuit and configured to detect a peak amplitude of the ring voltage.

Abstract: Disclosed are various embodiments for a power stage that can drive various types of loads. The power stage includes a first capacitor and a second capacitor that are coupled to the load. The power stage also includes switches that are operable in a first power stage state and a second power stage state. When the switches are in the first power stage state, the first capacitor discharges to the load, and the second capacitor charges. When the switches are in the second power stage state, the second capacitor discharges to the load, and the first capacitor charges.

Abstract: Disclosed are various embodiments for a power stage that can drive various types of loads. The power stage includes a first capacitor and a second capacitor that are coupled to the load. The power stage also includes switches that are operable in a first power stage state and a second power stage state. When the switches are in the first power stage state, the first capacitor discharges to the load, and the second capacitor charges. When the switches are in the second power stage state, the second capacitor discharges to the load, and the first capacitor charges.