Patent
Process and Temperature Tracking Bias Circuits for Realization of PT-Invariant Quantities in Analog Circuits
Abstract
The invention proposes a novel biasing technique that adjusts automatically to compensate for process and temperature variations, thereby stabilizing resistance and current references on-chip. This approach aims to eliminate the need for external components and digital calibration, reducing power consumption and enhancing reliability in analog circuit designs.
Type of IP
Category of Patent
Department
Societal Impact
- Reduces electronic waste by promoting more reliable and durable analog circuits with longer operational lifespans.
- Lowers power consumption in electronic devices by eliminating the need for energy-intensive calibration techniques.
- Facilitates cost-effective production of electronic devices by reducing reliance on external components and calibration processes.
Salient technical features and Advantages of the Technology
- Utilizes process and temperature tracking bias circuits for maintaining constant on-chip resistance without external components.
- Achieves PT-invariant quantities such as stable transconductance and PTAT current references across varying conditions.
- Eliminates the need for costly digital calibration methods and external precision resistors.
- Enhances analog circuit reliability by minimizing variability in resistors and current sources across different process corners and temperature ranges.
- Utilizes process and temperature tracking bias circuits for maintaining constant on-chip resistance without external components.
- Achieves PT-invariant quantities such as stable transconductance and PTAT current references across varying conditions.
- Eliminates the need for costly digital calibration methods and external precision resistors.
- Enhances analog circuit reliability by minimizing variability in resistors and current sources across different process corners and temperature ranges.
Technology readiness level
4
Current Status of Technology
The technology is currently being tested and evaluated for its basic concept, and its formulation is being confirmed to ensure realistic end-use application.
Relevant Industries
semiconductors, consumer electronics, telecommunication, automotive electronics
Applications or Domain
- Analog integrated circuits for signal processing and filtering applications.
- Sensor interfaces require precise and stable current references.
- Power management circuits in portable electronics for efficient energy utilization.