Title:
POWER SUPPLY CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/116906
Kind Code:
A1
Abstract:
In a microcomputer (23) of a power supply control device, an output circuit (42) outputs a PWM signal in the cases where a control unit (30) determines that the value of a switch current flowing via a semiconductor switch is lower than a current threshold value. In the cases where the control unit (30) determines that the switch current value is equal to or higher than the current threshold value, the output circuit (42) outputs a switch signal that has been outputted from an output unit (40). The switch signal instructs to turn on or turn off the semiconductor switch. On the basis of a timer signal or the switch signal outputted from the output circuit 42, a drive circuit performs switching to turn on or turn off the semiconductor switch.
Inventors:
YAMADA KEI (JP)
FURUTO KEN (JP)
FURUTO KEN (JP)
Application Number:
PCT/JP2017/044515
Publication Date:
June 28, 2018
Filing Date:
December 12, 2017
Export Citation:
Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H02H3/093; B60R16/02; H02H7/00
Domestic Patent References:
| WO2013146339A1 | 2013-10-03 |
Foreign References:
| JP2004140907A | 2004-05-13 | |||
| JP2002209330A | 2002-07-26 | |||
| JP2000014163A | 2000-01-14 | |||
| JPH1066386A | 1998-03-06 | |||
| JP2007174490A | 2007-07-05 | |||
| JP2011072136A | 2011-04-07 | |||
| JP2011217497A | 2011-10-27 | |||
| JPH1198825A | 1999-04-09 |
Attorney, Agent or Firm:
KOHNO, Hideto et al. (JP)
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