Seiko epson corporation (20240333128). INTEGRATED CIRCUIT DEVICE simplified abstract

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INTEGRATED CIRCUIT DEVICE

Organization Name

seiko epson corporation

Inventor(s)

Haruki Kamikura of Chino-shi (JP)

Kinya Matsuda of Matsumoto-shi (JP)

INTEGRATED CIRCUIT DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240333128 titled 'INTEGRATED CIRCUIT DEVICE

The patent application describes an integrated circuit device that includes a rectifier circuit and a BGR circuit provided on a semiconductor substrate to generate a reference voltage based on the rectified voltage.

  • The integrated circuit device has a semiconductor substrate set at a substrate potential.
  • A rectifier circuit rectifies an AC voltage using a rectifier element on the semiconductor substrate and outputs a rectified voltage.
  • A BGR circuit on the semiconductor substrate generates a reference voltage based on the rectified voltage.
  • The BGR circuit includes an operational amplifier with input terminals, diode elements, resistors, and capacitors to generate the reference voltage.

Potential Applications: - Power management systems - Voltage regulation circuits - Sensor interfaces - Battery charging circuits

Problems Solved: - Efficient generation of a stable reference voltage - Integration of rectifier and reference voltage circuits on a single semiconductor substrate

Benefits: - Simplified circuit design - Improved accuracy and stability of reference voltage - Cost-effective solution for voltage regulation applications

Commercial Applications: Title: "Integrated Circuit Device for Voltage Regulation Applications" This technology can be used in various commercial applications such as power supplies, battery chargers, and sensor interfaces. It offers a cost-effective and efficient solution for voltage regulation requirements in electronic devices.

Questions about the technology: 1. How does the integration of rectifier and BGR circuits benefit the overall performance of the device? 2. What are the key advantages of using an operational amplifier in the BGR circuit for generating the reference voltage?


Original Abstract Submitted

an integrated circuit device includes: a semiconductor substrate set at a substrate potential; a rectifier circuit that rectifies an ac voltage by a rectifier element provided at the semiconductor substrate and outputs a rectified voltage; and a bgr circuit provided at the semiconductor substrate and generates a reference voltage based on the rectified voltage. the bgr circuit includes an operational amplifier having a first input terminal and a second input terminal, a diode element provided between the first input terminal and a substrate potential node, a resistor and a diode element provided in series between the second input terminal and the substrate potential node, a capacitor provided between the first input terminal and the substrate potential node, and a capacitor provided between the second input terminal and the substrate potential node.