Patents Assigned to Silego Technology, Inc.
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Patent number: 9372210Abstract: Various techniques for dynamic power FET switching are disclosed. In some embodiments, a device comprises an array of two or more independently switchable power MOSFETs that are configured to sense current in a high current mode and a low current mode as well as circuitry for automatically switching from the low current mode to the high current mode when sensed current is above a threshold to switch to the high current mode.Type: GrantFiled: June 20, 2014Date of Patent: June 21, 2016Assignee: Silego Technology, Inc.Inventors: John Othniel McDonald, Jay Li, Nathan Willis John
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Patent number: 9331694Abstract: A capacitive coupling based proximity sensor is disclosed. In some embodiments, a sensor embedded in a mobile device comprises a transmitter configured to transmit a transmit signal and a receiver configured to receive a receive signal via capacitive coupling between the receiver and the transmitter as well as a circuit configured to detect human proximity to the mobile device in the event that the receive signal does not sufficiently match the transmit signal and configured to generate an output signal indicating human proximity to the mobile device that is employed to facilitate an appropriate response.Type: GrantFiled: June 8, 2012Date of Patent: May 3, 2016Assignee: Silego Technology, Inc.Inventors: Jay Li, John Teegen
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Patent number: 9312836Abstract: A four pin integrated circuit MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) load switch is disclosed that provides full features including adjustable ramp time/rate, adjustable discharge time/rate, temperature control, over-current control, and short circuit protection. In some embodiments, the adjustable ramp is based on the voltage or current input into the integrated circuit.Type: GrantFiled: April 30, 2015Date of Patent: April 12, 2016Assignee: Silego Technology, Inc.Inventors: John Othniel McDonald, Jie Chen, Chen-Yu Wang
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Patent number: 9178512Abstract: A capacitive coupling based sensor is disclosed. In some embodiments, a sensor comprises a transmitter and a receiver that are configured to be capacitively coupled when a coupling condition is satisfied as well as a circuit configured to determine whether a received signal that is received by the receiver matches a transmitted signal that is transmitted by the transmitter.Type: GrantFiled: October 6, 2011Date of Patent: November 3, 2015Assignee: Silego Technology, Inc.Inventors: Jozef Froniewski, Jay Li, Cheng-Hao Chen, Yinn-Jang Wu
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Patent number: 9147629Abstract: Techniques for achieving extremely thin package structures are disclosed. In some embodiments, a device comprises an integrated circuit connected to a leadframe or substrate via connections and EMC (Epoxy Molding Compound) surrounding the integrated circuit except at a backside of the integrated circuit and connecting areas via which the integrated circuit is connected to the leadframe or substrate.Type: GrantFiled: September 20, 2013Date of Patent: September 29, 2015Assignee: Silego Technology, Inc.Inventors: Chia Chuan Chen, Lung-Pao Chin, I-Kuo Lin
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Patent number: 9077353Abstract: An integrated circuit frequency generator is disclosed. In some embodiments, the frequency generator comprises an electronic oscillator configured to generate an oscillator frequency and calibration circuitry configured to periodically calibrate the electronic oscillator with respect to a reference frequency source. When a primary power source is unavailable, an output frequency is generated from the oscillator frequency, and the reference frequency source is powered-on only during calibration cycles.Type: GrantFiled: April 23, 2012Date of Patent: July 7, 2015Assignee: Silego Technology, Inc.Inventors: John Othniel McDonald, Crist Y. Lu, Ilbok Lee
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Patent number: 9065435Abstract: A four pin integrated circuit MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) load switch is disclosed that provides full features including adjustable ramp time/rate, adjustable discharge time/rate, temperature control, over-current control, and short circuit protection. In some embodiments, the adjustable ramp is based on the voltage or current input into the integrated circuit.Type: GrantFiled: June 19, 2013Date of Patent: June 23, 2015Assignee: Silego Technology, Inc.Inventors: John Othniel McDonald, Jie Chen, Chen-Yu Wang
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Patent number: 9059684Abstract: An integrated circuit for switching a transistor is disclosed. In some embodiments, an operational amplifier is configured to drive a transistor, and slew rate control circuitry is configured to control the slew rate of the transistor source voltage during turn on. The transistor source voltage is employed as feedback to the operational amplifier to facilitate closed loop control of the transistor source voltage during switching of the transistor.Type: GrantFiled: November 20, 2013Date of Patent: June 16, 2015Assignee: Silego Technology, Inc.Inventors: Thomas D. Brumett, Jr., Marcelo Martinez, John Othniel McDonald
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Publication number: 20140152351Abstract: An integrated circuit for switching a transistor is disclosed. In some embodiments, an operational amplifier is configured to drive a transistor, and slew rate control circuitry is configured to control the slew rate of the transistor source voltage during turn on. The transistor source voltage is employed as feedback to the operational amplifier to facilitate closed loop control of the transistor source voltage during switching of the transistor.Type: ApplicationFiled: November 20, 2013Publication date: June 5, 2014Applicant: Silego Technology, Inc.Inventors: Thomas D. Brumett, JR., Marcelo Martinez, John Othniel McDonald
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Patent number: 8618847Abstract: An integrated circuit for switching a transistor is disclosed. In some embodiments, an operational amplifier is configured to drive a transistor, and slew rate control circuitry is configured to control the slew rate of the transistor source voltage during turn on. The transistor source voltage is employed as feedback to the operational amplifier to facilitate closed loop control of the transistor source voltage during switching of the transistor.Type: GrantFiled: September 7, 2012Date of Patent: December 31, 2013Assignee: Silego Technology, Inc.Inventors: Thomas D. Brumett, Jr., Marcelo Martinez, John Othniel McDonald
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Patent number: 8412385Abstract: Communicating a power control feedback signal from a system is disclosed. In some embodiments, upon determining how to control input power which may be based at least in part, for example, on an in situ measurement of an operating condition in an operating environment, an appropriate symbol is constructed based upon the determination and is transmitted on a single line. In some embodiments, the single line corresponds to the reference voltage of an associated power supply.Type: GrantFiled: August 5, 2010Date of Patent: April 2, 2013Assignee: Silego Technology, Inc.Inventors: Thomas D. Brumett, Jr., Ian Chen, Ilbok Lee, Marcelo Martinez
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Publication number: 20130063189Abstract: An integrated circuit for switching a transistor is disclosed. In some embodiments, an operational amplifier is configured to drive a transistor, and slew rate control circuitry is configured to control the slew rate of the transistor source voltage during turn on. The transistor source voltage is employed as feedback to the operational amplifier to facilitate closed loop control of the transistor source voltage during switching of the transistor.Type: ApplicationFiled: September 7, 2012Publication date: March 14, 2013Applicant: SILEGO TECHNOLOGY, INC.Inventors: Thomas D. Brumett, JR., Marcelo Martinez, John Othniel McDonald
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Patent number: 8395370Abstract: A capacitive coupling based sensor is disclosed. In some embodiments, a sensor comprises a transmitter and a receiver that are configured to be capacitively coupled when a coupling condition is satisfied as well as a circuit configured to determine whether a received signal that is received by the receiver matches a transmitted signal that is transmitted by the transmitter.Type: GrantFiled: March 25, 2011Date of Patent: March 12, 2013Assignee: Silego Technology, Inc.Inventors: Jozef Froniewski, Jay Li, Cheng-Hao Chen, Yinn-Jang Wu
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Patent number: 8368478Abstract: An integrated circuit frequency generator is disclosed. In some embodiments, the frequency generator comprises an electronic oscillator configured to generate an oscillator frequency, calibration circuitry configured to periodically calibrate the electronic oscillator with respect to a reference frequency at a first calibration frequency when at a steady state temperature and at a second calibration frequency when at a transient temperature, and circuitry configured to generate an output frequency from the oscillator frequency.Type: GrantFiled: February 12, 2010Date of Patent: February 5, 2013Assignee: Silego Technology, Inc.Inventor: John Othniel McDonald
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Publication number: 20120315847Abstract: A capacitive coupling based proximity sensor is disclosed. In some embodiments, a sensor embedded in a mobile device comprises a transmitter configured to transmit a transmit signal and a receiver configured to receive a receive signal via capacitive coupling between the receiver and the transmitter as well as a circuit configured to detect human proximity to the mobile device in the event that the receive signal does not sufficiently match the transmit signal and configured to generate an output signal indicating human proximity to the mobile device that is employed to facilitate an appropriate response.Type: ApplicationFiled: June 8, 2012Publication date: December 13, 2012Applicant: SILEGO TECHNOLOGY, INC.Inventors: Jay Li, John Teegen
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Publication number: 20120302164Abstract: A capacitive coupling based sensor is disclosed. In some embodiments, a sensor comprises a transmitter and a receiver that are configured to be capacitively coupled when a coupling condition is satisfied as well as a circuit configured to determine whether a received signal that is received by the receiver matches a transmitted signal that is transmitted by the transmitter.Type: ApplicationFiled: October 6, 2011Publication date: November 29, 2012Applicant: SILEGO TECHNOLOGY, INC.Inventors: Jozef Froniewski, Jay Li, Cheng-Hao Chen, Yinn-Jang Wu
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Publication number: 20120293269Abstract: An integrated circuit frequency generator is disclosed. In some embodiments, the frequency generator comprises an electronic oscillator configured to generate an oscillator frequency and calibration circuitry configured to periodically calibrate the electronic oscillator with respect to a reference frequency source. When a primary power source is unavailable, an output frequency is generated from the oscillator frequency, and the reference frequency source is powered-on only during calibration cycles.Type: ApplicationFiled: April 23, 2012Publication date: November 22, 2012Applicant: SILEGO TECHNOLOGY, INC.Inventors: John Othniel McDonald, Crist Y. Lu, Ilbok Lee
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Patent number: 8283953Abstract: An integrated circuit for switching a transistor is disclosed. In some embodiments, an operational amplifier is configured to drive a transistor, and slew rate control circuitry is configured to control the slew rate of the transistor source voltage during turn on. The transistor source voltage is employed as feedback to the operational amplifier to facilitate closed loop control of the transistor source voltage during switching of the transistor.Type: GrantFiled: July 22, 2011Date of Patent: October 9, 2012Assignee: Silego Technology, Inc.Inventors: Thomas D. Brumett, Jr., Marcelo Martinez, John Othniel McDonald
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Publication number: 20120206126Abstract: A capacitive coupling based sensor is disclosed. In some embodiments, a sensor comprises a transmitter and a receiver that are configured to be capacitively coupled when a coupling condition is satisfied as well as a circuit configured to determine whether a received signal that is received by the receiver matches a transmitted signal that is transmitted by the transmitter.Type: ApplicationFiled: March 25, 2011Publication date: August 16, 2012Applicant: SILEGO TECHNOLOGY, INC.Inventors: Jozef Froniewski, Jay Li, Cheng-Hao Chen, Yinn-Jang Wu
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Patent number: 8183937Abstract: An integrated circuit frequency generator is disclosed. In some embodiments, the frequency generator comprises an electronic oscillator configured to generate an oscillator frequency and calibration circuitry configured to periodically calibrate the electronic oscillator with respect to a reference frequency source. When a primary power source is unavailable, an output frequency is generated from the oscillator frequency, and the reference frequency source is periodically pulse powered-on to calibrate the electronic oscillator.Type: GrantFiled: February 12, 2010Date of Patent: May 22, 2012Assignee: Silego Technology, Inc.Inventors: John Othniel McDonald, Crist Y. Lu, Ilbok Lee