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1. 发明授权

US10720847B2 Semiconductor device for switching power supply and AC-DC convertor 有权
公开(公告)号：US10720847B2
公开(公告)日：2020-07-21
申请号：US16591573
申请日：2019-10-02
申请人： Hiroki Matsuda , Satoshi Arima , Yukio Murata
发明人： Hiroki Matsuda , Satoshi Arima , Yukio Murata
IPC分类号： H02M3/335 , H02M1/00 , H02M7/217 , H02M1/08
摘要： A semiconductor device for a switching power supply includes first and second external terminals, ON and OFF timing generation circuits, and a drive pulse generation circuit. To the first and second external terminals, a feedback voltage and a voltage induced in an auxiliary winding are input, respectively. The ON and OFF timing generation circuits respectively generate timing signals turning on and off a switching element based on the voltages. The drive pulse generation circuit generates a pulse signal based on these signals. The ON timing generation circuit includes: a bottom detection circuit detecting a lowest point of the voltage of the second external terminal; and a timer circuit, and operates in a PWM mode and a quasi-resonant mode in response to a timing of an output of the timer circuit being before a timing of an output of the bottom detection circuit and the reverse case, respectively.

2. 发明授权

US11051381B2 Power supply apparatus, semiconductor integrated circuit, and ripple suppressing method 有权
公开(公告)号：US11051381B2
公开(公告)日：2021-06-29
申请号：US16881197
申请日：2020-05-22
申请人： Daisuke Imade , Hiroki Matsuda , Satoshi Arima
发明人： Daisuke Imade , Hiroki Matsuda , Satoshi Arima
IPC分类号： H05B45/37 , H05B45/3725 , H05B45/40 , H02M3/335
摘要： A power supply apparatus includes a voltage conversion circuit, a reference voltage generating circuit, a constant current control circuit which includes a current controller and a differential circuit which controls the current controller based on the reference voltage and current detection voltage showing a size of the output current, and wherein an electric current on the current path is controlled by the current controller a reference voltage adjustment circuit which adjusts a first reference voltage generated by the reference voltage generating circuit to converge a ripple occurring in the output current to a predetermined ripple rate or less, based on a voltage of a first potential point set on the current path from an output portion on a high potential side of the voltage conversion circuit to the current controller and a control voltage of the current controller.

3. 发明授权

US10819219B2 Semiconductor device for switching power supply control and AC-DC converter 有权
公开(公告)号：US10819219B2
公开(公告)日：2020-10-27
申请号：US16660738
申请日：2019-10-22
申请人： Hiroki Matsuda , Satoshi Arima
发明人： Hiroki Matsuda , Satoshi Arima
IPC分类号： H02M1/32 , H02M1/36 , H02M3/335
摘要： Disclosed is a semiconductor device for switching power supply control including: a high voltage input starting terminal; a discharger; and an input state detection circuit that includes: a voltage divider; a peak hold circuit; a first comparator which detects generation of a plug removal state; a second comparator which detects generation of a brownout state; a timer circuit; and a control signal generation circuit which generates a signal to turn on the discharger or a signal to stop outputting of a switching control signal, Td1, Td2 and Td3 are set to have a relationship of Td1

4. 发明授权

US11095226B2 Switching power supply device having failure protection function, and method for controlling the same 有权
公开(公告)号：US11095226B2
公开(公告)日：2021-08-17
申请号：US16591482
申请日：2019-10-02
申请人： Satoshi Arima , Hiroki Matsuda
发明人： Satoshi Arima , Hiroki Matsuda
IPC分类号： H02M3/335 , H02H1/00 , H02H7/12
摘要： A switching power supply device includes a voltage conversion transformer, a primary-side control semiconductor device, a rectification and smoothing circuit, an output voltage detection circuit, a failure detection circuit, and a switch. The primary-side control semiconductor device generates a driving signal which controls a switching element connected to a primary winding of the transformer. The rectification and smoothing circuit is connected to a secondary winding of the transformer. The output voltage detection circuit detects a secondary-side output voltage of the transformer and transmits a feedback signal corresponding to the output voltage to the primary-side control semiconductor device through an insulated signal transmitter. The failure detection circuit detects a failure on a secondary side of the transformer. The switch cuts off a current flowing to the insulated signal transmitter if the failure detection circuit detects a failure.

5. 发明授权

US10978945B2 Semiconductor device for switching power supply control and AC-DC converter 有权
公开(公告)号：US10978945B2
公开(公告)日：2021-04-13
申请号：US16660725
申请日：2019-10-22
申请人： Hiroki Matsuda , Satoshi Arima
发明人： Hiroki Matsuda , Satoshi Arima
IPC分类号： H02M1/36 , H02M3/335 , H02M1/08 , H02M1/32 , H02M1/00
摘要： Disclosed is a semiconductor device for switching power supply control including: a power supply terminal; a current inflow terminal; a starting circuit; and a brownout detection circuit, wherein a control signal of a switching element is generated, the starting circuit includes: a first comparator; a starting control circuit which controls on and off of the switch; and an operation start circuit which detects that the voltage of the power supply terminal becomes equal to or more than a predetermined voltage, and generates a signal for operating an internal circuit, and the brownout detection circuit includes: a voltage divider; a second comparator which has a hysteresis characteristic for detecting generation of a brownout state; a timer circuit which measures a predetermined time during which the generation of the brownout state continues; and an output stop circuit which stops outputting of a switching control signal.

6. 发明授权

US10491128B2 Power controlling semiconductor device, switched-mode power supply, and method of designing the device and power-supply 有权
公开(公告)号：US10491128B2
公开(公告)日：2019-11-26
申请号：US16297382
申请日：2019-03-08
申请人： Satoshi Arima , Hiroki Matsuda , Yukio Murata
发明人： Satoshi Arima , Hiroki Matsuda , Yukio Murata
IPC分类号： H02M3/335 , H02M1/32 , H02M1/14 , H02M1/08 , H02M1/00
CPC分类号： H02M3/33523 , H02M1/08 , H02M1/14 , H02M1/32 , H02M3/335 , H02M2001/0009 , H02M2001/0048
摘要： A power controlling semiconductor device generates a drive pulse to turn on or off a switching device which applies an intermittent current to a primary side winding of a transformer in response to a voltage proportional to a present current flowing through the primary side winding of the transformer and to an output voltage detection signal from a secondary side of the transformer. The device includes a current detecting terminal and an overcurrent detecting circuit. The voltage proportional to the present current flowing through the primary side winding is applied to the current detecting terminal. The overcurrent detecting circuit compares a voltage corresponding to the voltage applied to the current detecting terminal with an upper limit current detecting voltage to detect an overcurrent. A correction current is applied to a correction resistor connected to the current detecting terminal for a shift in the voltage.

7. 发明授权

US11703550B2 Resonance voltage attenuation detection circuit, semiconductor device for switching power, and switching power supply 有权
公开(公告)号：US11703550B2
公开(公告)日：2023-07-18
申请号：US17117243
申请日：2020-12-10
申请人： Satoshi Arima , Hiroki Matsuda
发明人： Satoshi Arima , Hiroki Matsuda
IPC分类号： G01R31/62 , G01R19/165 , G01R31/14 , G01R1/20
CPC分类号： G01R31/62 , G01R1/20 , G01R19/16566 , G01R31/14
摘要： A resonance voltage attenuation detection circuit detects attenuation of a resonance voltage of a winding of a transformer. The resonance voltage attenuation detection circuit includes a first voltage comparator circuit and a time-out circuit. The first voltage comparator circuit compares a voltage of the winding with a predetermined first voltage. The time-out circuit performs clocking operation in accordance with an output of the first voltage comparator circuit. The time-out circuit outputs an attenuation detection signal when the time-out circuit has clocked a preset period which is shorter than a time required for a peak voltage of the winding to be attenuated from the first voltage to a predetermined second voltage lower than the first voltage.

8. 发明授权

US08252557B2 Peptide-containing culture medium for culturing animal cell 有权
标题翻译：用于培养动物细胞的含肽培养基
公开(公告)号：US08252557B2
公开(公告)日：2012-08-28
申请号：US12998494
申请日：2009-10-27
申请人： Satoshi Katayama , Shouhei Kishishita , Kunihiko Kodaira , Makoto Sadamitsu , Yoshinori Takagi , Hiroki Matsuda
发明人： Satoshi Katayama , Shouhei Kishishita , Kunihiko Kodaira , Makoto Sadamitsu , Yoshinori Takagi , Hiroki Matsuda
IPC分类号： C12P21/04 , C12N5/00
CPC分类号： C12P21/02 , C07K5/081 , C07K5/0812 , C07K16/00 , C07K16/303 , C07K2317/24 , C12N5/0037 , C12N2501/998 , C12N2510/02
摘要： Disclosed is a culture medium for culturing an animal cell, which is characterized by containing a peptide comprising, as a constituent unit, an amino acid residue selected from the amino acid group consisting of serine, tyrosine and cysteine. The culture medium is suitable for the high level production of a protein by an animal cell.
摘要翻译：公开了一种用于培养动物细胞的培养基，其特征在于含有包含选自丝氨酸，酪氨酸和半胱氨酸的氨基酸的氨基酸残基作为构成单元的肽。培养基适合于通过动物细胞高水平生产蛋白质。

9. 发明授权

US12027972B2 Power supply control semiconductor device and power supply device 有权
公开(公告)号：US12027972B2
公开(公告)日：2024-07-02
申请号：US18166060
申请日：2023-02-08
申请人： Yusuke Ohba , Naoya Nishio , Koji Tsuzurabara , Hiroki Matsuda
发明人： Yusuke Ohba , Naoya Nishio , Koji Tsuzurabara , Hiroki Matsuda
IPC分类号： H02M3/00 , H01L23/31 , H01L23/495 , H02M3/335
CPC分类号： H02M3/003 , H01L23/3107 , H01L23/49541 , H02M3/335
摘要： A power supply control semiconductor device that generates and outputs a drive pulse to turn on and off a switch, which is configured to intermittently supply a current to a primary winding of a voltage conversion transformer, in response to input of a voltage proportional to the current flowing through the primary winding of the voltage conversion transformer and an output voltage detection signal from a secondary side of the voltage conversion transformer is provided. The power supply control semiconductor device is in a no-lead resin-sealed package. The package includes external terminals including a first terminal as an input terminal, a second terminal provided next to the first terminal, and third terminals that have a lower breakdown voltage relative to the first terminal and are different from the second terminal. An interval between the first terminal and the second terminal is wider than each interval between the third terminals.

10. 发明授权

US08450982B2 Charge control circuit and charge controlling semiconductor integrated circuit 有权
标题翻译：充电控制电路和充电控制半导体集成电路
公开(公告)号：US08450982B2
公开(公告)日：2013-05-28
申请号：US12409214
申请日：2009-03-23
申请人： Hiroki Matsuda , Junji Takeshita , Yuji Yamanaka
发明人： Hiroki Matsuda , Junji Takeshita , Yuji Yamanaka
IPC分类号： H02J7/04 , H02J7/16 , H02J7/00
CPC分类号： H02J7/0091
摘要： A charge control circuit equipped with a function of controlling a charging current to be supplied to a secondary battery, comprises: a detecting unit for monitoring a temperature; and a charge control unit for controlling so as to break the charging current when the monitored temperature rises to a temperature equal to or more than a predetermined set temperature, decrease the charging current as the monitored temperature becomes higher when the monitored temperature is in a predetermined temperature range lower than the set temperature, flow the charging current having a predetermined current value in a state where the monitored temperature is lower than a lower limit temperature of the temperature range, or flow the charging current having a current value smaller than the current value when the monitored temperature is within a range of from an upper limit temperature of the temperature range to the set temperature.
摘要翻译：具有控制向二次电池供给的充电电流的功能的充电控制电路包括：用于监视温度的检测单元; 以及充电控制单元，用于当所监视的温度升高到等于或大于预定设定温度的温度时，控制所述充电电流的中断，当所监视的温度为预定温度时，随着所监视的温度变高，减小充电电流温度范围低于设定温度，在监测温度低于温度范围的下限温度的状态下流动具有预定电流值的充电电流，或者流过具有小于当前值的电流值的充电电流当监测温度在从温度范围的上限温度到设定温度的范围内时。

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