Featured patents

Optimization Methodology and Apparatus for Wide-Swing Current Mirror With Wide Current Range
US 08847572 B2, Sept. 30, 2014, With switched final control device, Tsung-Hsien Tsai / Taiwan Semiconductor Manufacturing Co., Ltd. (Hsin-Chu, TW)
A current mirror circuit, comprising:…

Mobile Wireless Communications Device Including Removable Electrical Power Supply Module and Related Methods
US 08791675 B2, July 29, 2014, For protective system, Jonathan Black / Pine Valley Investments, Inc. (Las Vegas, US)
A mobile wireless communications device comprising:…

Systems and Methods for Real Time Current Sense for a Switching Converter
US 08866464 B2, Oct. 21, 2014, With ramp generator or controlled capacitor charging, Scott E. Ragona et al. / Texas Instruments Incorporated (Dallas, US)
A power supply system comprising:…

Voltage Regulator With Low and High Power Modes
US 08872502 B2, Oct. 28, 2014, For current stabilization, Zakaria Mengad / Freescale Semiconductor, Inc. (Austin, US)
A voltage regulator comprising:…

Control of Power Converters With Capacitive Energy Transfer
US 08723491 B2, May 13, 2014, Including pre or post regulation, David M. Giuliano / Arctic Sand Technologies, Inc. (Cambridge, US)
An apparatus for power conversion, said apparatus comprising a voltage…

Offset Calibration Technique to Improve Performance of Band-Gap Voltage Reference
US 08680839 B2, March 25, 2014, Using a three or more terminal semiconductive device as the final control device, Mahadevan Venkiteswaran S. et al. / Texas Instruments Incorporated (Dallas, US)
A bandgap reference voltage source comprising:…

Control Circuit of Switching Regulator and Control Method Thereof and Transistor Device Therefor
US 08508203 B2, Aug. 13, 2013, Switched, Isaac Y. Chen et al. / Richtek Technology Corporation (Chupei, Hsin-Chu, TW)
A control circuit of a switching regulator, the switching regulator having…

DC Power Converting Circuit and Method Thereof
US 08502512 B2, Aug. 6, 2013, Parallel connected, Zehong Qian et al. / MStar Semiconductor, Inc. (Hsinchu Hsien, TW)
A direct current (DC) power converting circuit, for generating a predetermined DC…

Constant Current Circuit Start-Up Circuitry for Preventing Power Input Oscillation
US 08476891 B2, July 2, 2013, Including parallel paths, Daisuke Muraoka et al. / Seiko Instruments Inc. (Chiba, JP)
A constant current circuit, comprising:…

Circuits and Methods for Controlling a Switching Regulator Based on a Derived Input Current
US 08476890 B2, July 2, 2013, With plural condition sensing, Anurag Kaplish et al. / Qualcomm Incorporated (San Diego, US)
A method comprising:…

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