Rohm co., ltd. (20240421617). AUTOMOTIVE INTEGRATED CIRCUIT
AUTOMOTIVE INTEGRATED CIRCUIT
Organization Name
Inventor(s)
Mitsuteru Sakai of Kyoto-shi (JP)
AUTOMOTIVE INTEGRATED CIRCUIT
This abstract first appeared for US patent application 20240421617 titled 'AUTOMOTIVE INTEGRATED CIRCUIT
Original Abstract Submitted
a constant voltage circuit stabilizes a voltage v that occurs at a capacitor connection terminal. an internal circuit operates based on the voltage that occurs at the capacitor connection terminal. a first voltage dividing circuit generates a first voltage, which is obtained by dividing the power supply voltage that occurs at the power supply terminal, at the capacitor connection terminal. a charging transistor is arranged with one end coupled to the capacitor connection terminal. a second voltage dividing circuit generates a second voltage obtained by dividing the power supply voltage at a control terminal of the charging transistor. a clamp circuit clamps the voltage that occurs at the capacitor connection terminal and the voltage at the control terminal of the charging transistor so as to prevent them from exceeding a limit voltage.
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