Circuit device and electronic apparatus

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United States of America Patent

PATENT NO 9831771
SERIAL NO

14606373

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Abstract

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Provided is a circuit device in which reduction of power consumption, reduction of the number of parts, and the like can be realized by eliminating the need for a sense resistor. The circuit device includes a bridge circuit, and a control circuit configured to compare a reference voltage VR and a detection voltage V2 (V1) set using the on-current and the on-resistance of at least one of a low-side transistor and a high-side transistor, output a detection result, control switching on and off of transistors in the bridge circuit, and perform switching from a charge period to a decay period.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Katsumi Shiojiri, JP 47 454
Yamada, Atsushi Nagoya, JP 392 2909

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