18588650. REGULATOR CIRCUIT simplified abstract (Renesas Electronics Corporation)
Contents
REGULATOR CIRCUIT
Organization Name
Renesas Electronics Corporation
Inventor(s)
REGULATOR CIRCUIT - A simplified explanation of the abstract
This abstract first appeared for US patent application 18588650 titled 'REGULATOR CIRCUIT
Simplified Explanation: The patent application describes a capless regulator circuit that controls the supply of current to an external output terminal connected to a load. It includes a power transistor, a monitor transistor, a constant current source, and a cascode circuit to regulate the voltage.
- The circuit includes a power transistor that controls the current supply to the output terminal.
- A monitor transistor is placed between the output terminal and a reference voltage terminal to monitor the voltage.
- A constant current source generates a voltage based on the difference between the current and a constant current.
- A cascode circuit amplifies the voltage and supplies it to the power transistor gate.
Key Features and Innovation:
- Capless regulator circuit design for efficient current control.
- Use of monitor transistor for voltage monitoring.
- Constant current source for voltage generation.
- Cascode circuit for voltage amplification.
Potential Applications:
- Power supply systems.
- Voltage regulation in electronic devices.
- Battery charging circuits.
Problems Solved:
- Efficient current control.
- Voltage regulation accuracy.
- Circuit stability.
Benefits:
- Improved voltage regulation.
- Enhanced circuit efficiency.
- Reliable power supply.
Commercial Applications: Capless regulator circuits can be used in various electronic devices and power systems to ensure stable and efficient voltage regulation, making them valuable in industries such as telecommunications, automotive, and consumer electronics.
Questions about Capless Regulator Circuit: 1. How does the monitor transistor contribute to the regulation process? 2. What are the advantages of using a cascode circuit in this regulator design?
Original Abstract Submitted
A capless regulator circuit is provided. The regulator circuit includes a power transistor that controls the supply of current to an external output terminal connected to a load; a monitor transistor provided between the external output terminal and a reference voltage terminal to which a reference voltage is supplied, and through which a current corresponding to the voltage of the external output terminal flows; a first constant current source that is provided in series with the monitor transistor and generates a first voltage according to the difference between the first current and a first constant current; and a cascode circuit that generates a second voltage that amplifies the first voltage and supplies it to the gate of the power transistor.
