Title:
SWITCH DEVICE, ELECTRONIC EQUIPMENT, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/075407
Kind Code:
A1
Abstract:
A switch device 1 includes, for example, a power supply terminal T1 to which a power supply voltage VBB is supplied, an output terminal T2 to which a load is externally connected, a switch element 10 connected between the power supply terminal T1 and the output terminal T2, a signal output terminal T5 that outputs an output current detection signal Vs corresponding to an output current Io flowing during the ON period of the switch element 10 (IN = H), an overcurrent protection circuit 71 that limits the output current detection signal Vs to or below a predetermined overcurrent limit value Vocp during the ON period of the switch element 10 (IN = H), and an output abnormality detection circuit 72 that monitors the output voltage Vo of the output terminal T2 in a first state (SEN=L) in which no current is supplied to the output terminal T2 during the OFF period (IN = L) of the switching element 10 and a second state (SEN = H) in which the current is supplied to the output terminal T2, while switching the states, to switch the logic level of the output current detection signal Vs.
Inventors:
TAKAHASHI NAOKI (JP)
Application Number:
PCT/JP2023/029699
Publication Date:
April 11, 2024
Filing Date:
August 17, 2023
Export Citation:
Assignee:
ROHM CO LTD (JP)
International Classes:
H02H3/087; H02H5/04; H02H7/20; H02H9/02; H03K17/00
Attorney, Agent or Firm:
SANO PATENT OFFICE (JP)
Download PDF:
Previous Patent: METHOD FOR PRODUCING CATION EXCHANGE RESIN AND METHOD FOR REFINING ORGANIC ACID SOLUTION
Next Patent: METHOD FOR MANUFACTURING MOLDS
Next Patent: METHOD FOR MANUFACTURING MOLDS