Device for Providing a Regulated Output Voltage, Use, Chip and Method

Simple SummaryContent extracted from patent full text and abstract with AI.

This invention describes a device and integrated circuit for producing a regulated output voltage (supply voltage) from an unregulated input voltage, which is highly immune to disturbances and fluctuations. The key novelty is the parallel connection of a diode (or a transistor wired as a diode) to the voltage regulation circuit. This setup significantly increases the Power Supply Rejection Ratio (PSRR) over a wide frequency range without requiring large external capacitors, allowing stable voltage regulation even inside chip packages and supporting multiple voltage domains within integrated circuits.

Use CasesContent extracted from patent full text and abstract with AI.

• Supplying stable and low-noise voltages to different blocks of integrated circuits (ICs) such as microprocessors, ASICs, FPGAs, sensor chips, and communication devices.
• Use in semiconductor chips where different functional units (e.g., core, interface) require separate, precisely regulated supply voltages.
• Enabling compact power management solutions within system-on-chip (SoC) devices, reducing or eliminating the need for external capacitors.
• Improving power supply stability in automotive, industrial, and medical electronics where noise immunity and reliable operation are critical.
• Enhancing power management circuitry in portable or space-constrained electronic devices.

BenefitsContent extracted from patent full text and abstract with AI.

• Significantly improves Power Supply Rejection Ratio (PSRR) over a wide frequency range, making the regulated voltage more immune to input noise and supply fluctuations.
• Reduces or eliminates the need for large external capacitors, helping to minimize PCB area and enabling all-in-package or on-chip implementation.
• Allows independent, accurate, and noise-resistant voltage domains within a single semiconductor chip, overcoming limitations of package pin count and minimizing crosstalk.
• Simple circuit design with moderate area and power requirements, which can be easily integrated into modern chips.
• Enhances reliability and performance in sensitive electronic systems by reducing susceptibility to voltage disturbances.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a device (22) for providing a regulated supply voltage (VREG) from an unregulated voltage (VE), comprising a voltage regulation circuit (1), wherein a diode (20, 21) connected in parallel to the voltage regulation circuit (1) is provided. The invention further relates to the use of a device (22) of this kind, a chip (28) with integrated circuitry, and a method for providing a regulated supply voltage (VREG) from an unregulated voltage (VE).