A high-side switching element is provided between a main output terminal having an intermediate potential and a high-side terminal. A signal transmission circuit includes a first point, a second point, a signal switching element, and a diode. The intermediate potential is applied to the first point. A referred potential between the low-side potential and the high-side potential is applied to the second point. The signal switching element has a first end connected to the first point and a second end, and is switched in accordance with a conversion signal. The diode is provided between the second point and the second end of the signal switching element and has a direction with which a forward current can flow by a voltage between the first point and the second point in a case where the intermediate potential is the low-side potential.

Apparatuses and methods for providing a current independent of temperature are described. An example apparatus includes a current generator that includes two components that are configured to respond equally and opposite to changes in temperature. The responses of the two components may allow a current provided by the current generator to remain independent of temperature. One of the two components in the current generator may mirror a component included in a voltage source that is configured to provide a voltage to the current generator.

A semiconductor device may be provided. The semiconductor device may include a reference voltage generation circuit suitable for controlling a level of a reference voltage depending on an internal resistance value, and controlling the level of the reference voltage depending on the internal resistance value.

An on chip temperature independent current generator for generating a temperature independent current, said temperature independent current generator including: an on chip current generator having an output to provide an electrical current being proportional to an absolute temperature of a chip in which the temperature independent current generator is embedded; and an on chip transistor having a base connected to a temperature independent reference voltage generator, a collector connected to a current mirror, and an emitter connected to the output of the on chip current generator and connected via an on chip resistor to a reference potential, wherein the current mirror is adapted to mirror a collector current flowing to the collector of said on chip transistor to generate the temperature independent current.

Systems and apparatuses for a configurable, temperature dependent reference voltage generator are provided. An example apparatus includes control logic configured receive temperature data, and produce a signal, based on the temperature data, indicative of the temperature data, a temperature dependence and a temperature slope. The apparatus may also include a temperature slope reference generator configured to produce a reference voltage having the temperature dependence and the temperature slope, based on the signal from the control logic.

An oscillator control circuit includes a zero-temperature coefficient (ZTC) estimator estimating a ZTC voltage based on a supply voltage supplied to the oscillator and a frequency of an oscillation signal output by the oscillator. The ZTC voltage is the magnitude of the supply voltage VDD which corresponds to the ZTC condition for the oscillator. The ZTC estimator generates a bias control signal such that the magnitude of the supply voltage becomes the ZTC voltage.

In one embodiment, a temperature management system comprises a plurality of temperature sensors on a chip, and a temperature manager. The temperature manager is configured to receive a plurality of temperature readings from the temperature sensors, to determine a plurality of power values based on the temperature readings, to determine a plurality of temperature values based on the determined power values, the determined temperature values corresponding to a plurality of different locations on the chip, and to estimate a temperature of a hotspot on the chip based on the determined temperature values.

The present disclosure describes a system, a circuit, and method for process and temperature compensation in an integrated circuit. For example, the system includes a bus, a data latch, and a voltage generator. The data latch includes a plurality of transistors coupled to the bus. The voltage generator includes a tracking transistor with one or more physical characteristics that substantially match one or more respective physical characteristicse.g., gate width and gate length dimensionsof at least one of the plurality of transistors in the data latch. The voltage generator is configured to adjust a pre-charged voltage on the bus based on an electrical characteristic of the tracking transistor.

An intraocular pressure sensor is presented that achieve very low power consumption. The intraocular pressure sensor takes the form of an implantable assembly configured to be implanted in an eye of a subject. Specifically, the implantable assembly is comprised of a capsular tension ring attached to a flexible printed circuit board. The flexible printed circuit board includes a cutout that is sized to encircle the pupil of the eye and is C shaped. One or more electrical components are also mounted onto the flexible printed circuit board. One such component is a voltage reference generator that is implemented by a circuit which provides inherently low process variation and low power consumption.

An integrated circuit having power supply circuitry configured to generate a temperature dependent power supply voltage is provided. The power supply circuitry may include temperature sensors formed at different regions on the integrated circuit. The power supply circuitry may use a selected one of the temperature sensors to vary the temperature dependent power supply voltage. The power supply circuitry may include voltage clamping circuitry configured to clip the power supply voltage to an upper fixed voltage level when the power supply voltage exceeds a first predetermined threshold and to clip the power supply voltage to a lower fixed voltage level when the power supply voltage falls below a second predetermined threshold. The power supply circuitry may also include voltage overshoot-undershoot protection circuitry configured to keep the temperature dependent power supply voltage within a specified voltage range in the presence of transient perturbations in the temperature dependent power supply voltage.