Current generating circuit
The current generating circuit uses current mirror circuits to stabilize current output against variations and temperature changes, enhancing accuracy and enabling operation at lower voltages.
JP2026004875APending Publication Date: 2026-01-15MITSUMI ELECTRIC CO LTD
1 Cites 0 Cited by
Patent Information
- Application Number
- JP2024102919
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2026-01-15
AI Technical Summary
Technical Problem
The current generating circuit in existing technologies has low accuracy due to manufacturing variations and temperature characteristics of elements, especially at power supply voltages below 1.5V.
Method used
A current generating circuit with a first and second current mirror circuit that subtracts currents to stabilize the output current, using bipolar transistors and FETs to maintain current accuracy despite variations and temperature fluctuations.
Benefits of technology
Improves the accuracy of the generated current by stabilizing it against manufacturing variations and temperature changes, allowing operation at lower power supply voltages.
✦ Generated by Eureka AI based on patent content.
Abstract
To provide a current generation circuit capable of improving the accuracy of a current value.SOLUTION: The current generation circuit includes a first current mirror circuit that generates a second current obtained by subtracting a first current from an input current, a second current mirror circuit that generates a third current obtained by subtracting the second current from the input current, and an output terminal that outputs the third current.SELECTED DRAWING: Figure 2
Need to check novelty before this filing date? Find Prior Art