A system for preparing an integrated circuit device design includes a memory for storing a plurality of preliminary integrated circuit design files; a processor for retrieving a preliminary integrated circuit design file from the memory; locating vertical abutments between adjacent device cell designs, identifying internal metal cuts on the adjacent device cell designs; determining and evaluating a horizontal spacing between the internal metal cuts a spacing threshold; and if the threshold is note met, shifting one cell horizontally relative to the other cell design by a predetermined distance to define a modified device layout, repeating the determining, evaluating, and shifting operations until the spacing threshold is satisfied; and identifying a next vertical abutment between and repeating the identifying, determining, shifting operations until the spacing threshold has been satisfied for all vertical abutments.

Certain aspects of the present disclosure generally relate to a power stage. The power stage generally includes a first transistor, a second transistor having a drain coupled to a drain of the first transistor, a first gate drive circuit coupled between an input node of the power stage and a gate of the first transistor, and a second gate drive circuit having a first signal path coupled between the input node and a gate of the second transistor. In certain aspects, the second gate drive circuit comprises a plurality of buffers in the first signal path, and a plurality of electronic devices coupled to the plurality of buffers and configured to apply a delay associated with driving the gate of the second transistor to track a delay associated with driving the gate of the first transistor via the first gate drive circuit.

An example electronic device includes a first switch and a second switch that are each coupled to an overvoltage detection and protection circuit. The first switch is configured to connect a first sideband use (SBU) terminal of a Universal Serial Bus Type-C (USB-C) controller to a SBU crossbar switch of the USB-C controller. The second switch is configured to connect a second SBU terminal of the USB-C controller to the SBU crossbar switch. The overvoltage detection and protection circuit is configured to deactivate the first switch or the second switch when a voltage exceeding a predetermined threshold is detected on a terminal of the first switch or the second switch.

A terminating resistor circuit of a USB port and an operation method thereof are provided. The terminating resistor circuit includes a terminating resistor, a terminating switch, and an energy storage control circuit. The terminating resistor and the terminating switch are connected in series between a configuration channel pin of the USB port and a first reference voltage, and the energy storage control circuit is coupled to a control end of the terminating switch. During a charging period in a configuration detection period, the energy storage control circuit stores charge from the configuration channel pin to obtain a stored electrical energy, and during a discharging period in the configuration detection period, the energy storage control circuit turns on the terminating switch by using the stored electrical energy.

Methods and devices for wired charging and communication with a wearable device are described. In one embodiment, a symmetrical contact interface comprises a first contact pad and a second contact pad, and particular wired circuitry is coupled to the first and second contact pad to enable charging as well as receive and transmit communications via the contact pads as part of various device states.

In an example embodiment, a method for a Universal Serial Bus Type-C (USB-C) controller is provided. The method comprises: coupling a control channel PHY of the USB-C controller to a first configuration channel (CC) terminal of the USB-C controller; coupling a V.sub.CONN supply terminal to a second CC terminal of the USB-C controller; detecting that a voltage across the second CC terminal of the USB-C controller and the V.sub.CONN supply terminal is greater than a predetermined threshold; and in response to detecting that the voltage is greater than the predetermined threshold, decoupling the V.sub.CONN supply terminal from the second CC terminal of the USB-C controller.

A transmission device according to the disclosure includes a driver section that is able to transmit a data signal by using three or more predetermined number of voltage states and set voltages in each of the voltage states; and a control section that sets an emphasis voltage that is based on a transition among the predetermined number of the voltage states, and thereby causes the driver section to perform emphasis.

A driver circuit includes a supply node, a control node configured to receive a control signal, and an output node. An output transistor is coupled to the output node to provide the CAN bus drive signal via the current path through the output transistor. A current mirror is in a current line from the supply node to the output node through the output transistor. The current line includes an intermediate portion between the current mirror and the output transistor. The current mirror is configured to be switched, as a function of the control signal between a first, dominant mode, with the CAN bus drive signal applied to the output node via the output transistor, and a second, recessive mode, with the output transistor providing a high output impedance at the output node.

A method of preparing an integrated circuit device design including analyzing a preliminary device layout to identify a vertical abutment between a first cell and a second cell, the locations of, and spacing between, internal metal cuts within the first and second cells, indexing the second cell relative to the first cell by N CPP to define one or more intermediate device layouts to define a modified device layout with improved internal metal cut spacing in order to suppress BGE and LE.

Methods and devices for wired charging and communication with a wearable device are described. In one embodiment, a symmetrical contact interface comprises a first contact pad and a second contact pad, and particular wired circuitry is coupled to the first and second contact pads to enable charging as well as receive and transmit communications via the contact pads as part of various device states.