CURRENT MODE CONTROL TYPE SWITCHING POWER SUPPLY DEVICEA current mode control type switching power supply device includes a first switch having a first terminal connected to a first application terminal to which an input voltage is applied, and a second s…DRIVE·May 9·1 min readFollowG05F3/262Rohm Co., Ltd.
SWITCH DEVICEAn example switch device includes a switching element to connect/disconnect a current path from a power supply terminal to a ground terminal via a load, and an overcurrent protection circuit to limit …DRIVE·Apr 4·1 min readFollowH03K17/0828Rohm Co., Ltd.
LOAD DRIVE DEVICEA semiconductor device, and an electronic module including the semiconductor device, are described. In an example, the semiconductor device includes a first voltage side terminal arranged to be connec…DRIVE·Nov 23·1 min readFollowH05B45/30Rohm Co., Ltd.
SEMICONDUCTOR INTEGRATED CIRCUIT FOR DRIVING LIGHT EMITTING ELEMENT, LIGHT EMITTING ELEMENT DRIVING DEVICE, LIGHT EMITTING DEVICE, AND VEHICLEA semiconductor integrated circuit for driving a light emitting element forms at least part of a light emitting element driving device configured to change the number of light emitting elements that a…DRIVE·Oct 19·1 min readFollowH05B45/54Rohm Co., Ltd.
Linear Power Supply Circuit and Source Follower CircuitA linear power supply circuit includes an output transistor provided between an input terminal to which an input voltage is applied and an output terminal to which an output voltage is applied, and a …DRIVE·Oct 12·1 min readFollowH02M1/0045Rohm Co., Ltd.
Semiconductor DeviceA semiconductor device has a power transistor N of vertical structure and a temperature detection element configured to detect abnormal heat generation by the power transistor N. The power transistor …DRIVE·Oct 5·1 min readFollowH01L27/0296Rohm Co., Ltd.
LED DRIVING DEVICE, LIGHTING DEVICE, AND VEHICLE-MOUNTED DISPLAY DEVICEThis LED driving device comprises: a DC/DC controller which controls an output stage for supplying an output voltage to an LED; and a current driver which generates an output current of the LED, where…DRIVE·Aug 10·2 min readFollowH05B45/3725Rohm Co., Ltd.
DIMMING DATA TRANSMISSION DEVICEA dimming data transmission device includes a determination unit configured to determine whether each of a plurality of divided regions, into which a lightable region of an illumination device is divi…DRIVE·Jun 29·1 min readFollowH05B47/11Rohm Co., Ltd.
LIGHT EMITTING ELEMENT DRIVING DEVICEA light emitting element driving device includes a receiver that receives a predetermined communication signal transmitted across a communication line, a generator that generates a reference signal ba…DRIVE·Jan 5·1 min readFollowH05B47/19Rohm Co., Ltd.
Semiconductor DeviceA semiconductor device has a power transistor N of vertical structure and a temperature detection element configured to detect abnormal heat generation by the power transistor N. The power transistor …DRIVE·Dec 22·1 min readFollowH01L27/0296Rohm Co., Ltd.
LIGHT EMISSION CONTROL SYSTEM, LIGHT EMISSION SYSTEM, LIGHT EMISSION CONTROL DEVICE, AND LIGHT EMISSION DEVICEIn a first light emission control device, a clock signal is generated, and after a first driving sequence starts to be performed in which the respective states of light-emitting elements in a first li…DRIVE·Dec 8·1 min readFollowB60Q1/38Rohm Co., Ltd.
LOAD DRIVE DEVICEProvided is a load drive device comprising: a first input terminal for accepting an input of a first input current from a power source; a second input terminal for accepting an input of a second input…DRIVE·Dec 8·1 min readFollowH05B45/30Rohm Co., Ltd.
LED DRIVING DEVICE, LIGHTING DEVICE, AND VEHICLE-MOUNTED DISPLAY DEVICEThis LED driving device comprises: a DC/DC controller which controls an output stage for supplying an output voltage to an LED; and a current driver which generates an output current of the LED, where…DRIVE·Oct 13·2 min readFollowH05B45/3725Rohm Co., Ltd.
SWITCHING REGULATORA switching regulator control circuit is used in a switching regulator that converts an input voltage into an output voltage by the switching of a switching device, and generates a switching signal fo…DRIVE·Sep 29·1 min readFollowH02M1/088Rohm Co., Ltd.
POWER SUPPLY CONTROLLER AND INSULATED SWITCHING POWER SUPPLYThere is provided a power supply controller including: a monitor voltage generation part configured to generate a monitor voltage according to a primary voltage of a transformer that forms an insulate…DRIVE·Jun 16·1 min readFollowB60R16/03Rohm Co., Ltd.
CURRENT MODE CONTROL TYPE SWITCHING POWER SUPPLY DEVICEA current mode control type switching power supply device includes a first switch having a first terminal connected to a first application terminal to which an input voltage is applied, and a second s…DRIVE·Jun 9·1 min readFollowB60L50/50Rohm Co., Ltd.
LIGHT-EMITTING ELEMENT DRIVING DEVICEA light-emitting element driving device includes a setter and first to nth constant current sources. An ith series circuit is a series circuit of an ith light-emitting element string and the ith const…DRIVE·May 19·2 min readFollowH05B45/10Rohm Co., Ltd.
Linear Power Supply Circuit and Source Follower CircuitA linear power supply circuit includes an output transistor provided between an input terminal to which an input voltage is applied and an output terminal to which an output voltage is applied, and a …DRIVE·May 19·1 min readFollowH02M1/0045Rohm Co., Ltd.
OVERCURRENT PROTECTION CIRCUITAn overcurrent protection circuit includes a current control part configured to control conductance of a transistor so as to limit an output current flowing when the transistor is turned on to a prede…DRIVE·May 19·1 min readFollowH02H3/08Rohm Co., Ltd.
POWER SUPPLY CIRCUIT, POWER SUPPLY DEVICE, AND MOTOR VEHICLE INCLUDING THE SAMEA power supply circuit, includes: an N-channel depletion type output transistor connected between an input terminal of an input voltage and an output terminal of an output voltage; and an operational …DRIVE·Apr 28·1 min readFollowG05F1/575Rohm Co., Ltd.
SWITCH DEVICEA switch device includes a switching element that connects/disconnects a current path from a power supply terminal to a ground terminal via a load, and an overcurrent protection circuit that limits ou…DRIVE·Apr 7·1 min readFollowH03K17/0828Rohm Co., Ltd.
LINEAR POWER SUPPLY CIRCUITA linear power supply circuit, includes: output transistor between input terminal where input voltage is applied and output terminal where output voltage is applied; a driver driving the output transi…DRIVE·Mar 10·1 min readFollowG05F1/575Rohm Co., Ltd.
LAMP CONTROL DEVICEA lamp control device comprises a first input terminal, a second input terminal, an output terminal that is configured to be connectable to a lamp via an external switch and outputs a drive current fo…DRIVE·Feb 24·1 min readFollowB60Q11/005Rohm Co., Ltd.
OVERCURRENT PROTECTION CIRCUITIn order both to accommodate instantaneous current as well as overcurrent protection in accordance with the load, an overcurrent protection circuit has: a threshold value generation unit that, in acco…DRIVE·Feb 3·1 min readFollowH02H1/0007Rohm Co., Ltd.
LINEAR POWER SUPPLY CIRCUITA linear power supply circuit includes: an output stage including a first output transistor and a second output transistor, which are provided between an input terminal to which an input voltage is ab…DRIVE·Jan 13·2 min readFollowG05F1/575Rohm Co., Ltd.
Linear Power Supply CircuitA linear power supply circuit is provided with: an output transistor; and a driver for driving the output transistor on the basis of the difference between a voltage based on an output voltage and a r…DRIVE·Dec 9·2 min readFollowB60R16/03Rohm Co., Ltd.
OPERATIONAL AMPLIFIERAn operational amplifier 1 comprises transistors Q and Q forming an input stage, and input resistors R and R which form a filter together with parasitic capacitors C and C accompanying the transistors…DRIVE·Nov 25·1 min readFollowH03F3/4508Rohm Co., Ltd.
CURRENT MODE CONTROL TYPE SWITCHING POWER SUPPLY DEVICEA switching power supply device includes a first switch, a second switch, a current sensing portion configured to sense current flowing in the second switch, and a controller configured to control the…DRIVE·Nov 4·1 min readFollowB60L50/50Rohm Co., Ltd.
DRIVING DEVICEA driving device includes, for example: an output terminal; a transistor configured to generate an output current to the output terminal; a logic circuit configured to perform on/off control of the tr…DRIVE·Sep 2·1 min readFollowH05B45/10Rohm Co., Ltd.
SEMICONDUCTOR DEVICEA semiconductor device has a power transistor N of vertical structure and a temperature detection element configured to detect abnormal heat generation by the power transistor N The power transistor N…DRIVE·Jun 10·1 min readFollowH01L27/0296Rohm Co., Ltd.
Semiconductor DeviceA semiconductor device includes: a diagnosis portion which diagnoses, when the device is started up, whether an abnormality occurs in a component for setting that is externally connected; and a contro…DRIVE·Feb 1·1 min readFollowH05B33/0887Rohm Co., Ltd.
GROUND FAULT DETECTION CIRCUIT, ABNORMALITY DETECTION CIRCUIT, LIGHT EMITTING DEVICE, VEHICLEA light emitting device includes a series connection unit constituted of N light emitting elements, a light emitting element driving circuit having an output terminal connected to an anode of the seri…DRIVE·Nov 16·1 min readFollowH02H3/16Rohm Co., Ltd.
INFORMATION COLLECTION SYSTEMAn information collection system has: a stand-alone-power-type transmitter capable of moving together with a mobile entity (purchaser) A the transmitter spontaneously and intermittently transmitting a…DRIVE·Nov 9·1 min readFollowG06Q30/0201Rohm Co., Ltd.
WIRELESS POWER RECEIVING APPARATUSA rectifier circuit includes an H-bridge circuit, and rectifies an AC current that flows through a reception antenna. A smoothing capacitor smoothes the output of the rectifier circuit. A demodulator …DRIVE·May 25·1 min readFollowH02J50/12Rohm Co., Ltd.
