Title:
SEMICONDUCTOR DEVICE AND POWER FEEDING SYSTEM
Document Type and Number:
Japanese Patent JP2017138951
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a semiconductor device capable of performing appropriate operation in accordance with a state of a power supply circuit.SOLUTION: A semiconductor device includes: a power supply circuit configured to generate an output voltage to be fed to a USB device connected to a USB connector; a detection circuit configured to detect the output voltage or an output state of the power supply circuit; a control circuit for controlling the power supply circuit; and registers for storing preset output voltage values of or various information on the power supply circuit. The control circuit outputs a notification signal based on a detection result of the detection circuit to outside.SELECTED DRAWING: Figure 2
Inventors:
ENDO TAKEFUMI
Application Number:
JP2016189574A
Publication Date:
August 10, 2017
Filing Date:
September 28, 2016
Export Citation:
Assignee:
RENESAS ELECTRONICS CORP
International Classes:
G06F1/28; H02H5/04; H02J1/00
Domestic Patent References:
| JP2003263373A | 2003-09-19 | |||
| JP2013037638A | 2013-02-21 | |||
| JP2012168728A | 2012-09-06 | |||
| JP2015011509A | 2015-01-19 | |||
| JP2011134072A | 2011-07-07 | |||
| JPWO2005022369A1 | 2007-10-04 | |||
| JP2013025345A | 2013-02-04 | |||
| JP2012022533A | 2012-02-02 |
Attorney, Agent or Firm:
Fukami patent office