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Amir Babazadeh

from Aliso Viejo, CA
Age ~43
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Related to:
Milad Babazadeh, 53Babak BabazadehArad Babazadeh
Connected to:
Alexander M Babb, 32Alisa L Babb, 65Ashlie C Babb, 41Autumn R Babb, 29Barry R Babb, 66Bertram B Babb, 83Blake W Babb, 38Caryn Babb, 42Cassady H Babb, 45Chloe S Babb, 31

Amir Babazadeh Phones & Addresses

  • Aliso Viejo, CA
  • Irvine, CA
  • Lake Oswego, OR
  • Glendale, CA
  • Beaverton, OR

Resumes

Resumes

Amir Babazadeh Photo 1

Principal Power Electronics Engineer

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Location:
Orange, CA
Industry:
Semiconductors
Work:
Aerospace Industry
Principal Power Electronics Engineer
Alpha & Omega Semiconductor
Senior System Architecture Engineer
Infineon Technologies Aug 2012 - Jan 2018
Senior Staff Engineer
Infineon Technologies Apr 2009 - Aug 2012
Senior Systems Engineer
University of Colorado Boulder Jan 2007 - Dec 2009
Research Assistant
Education:
University of Colorado Boulder 2007 - 2009
Doctorates, Doctor of Philosophy, Electronics Engineering, Philosophy Sharif University of Technology 2000 - 2002
Masters
Skills:
Mixed Signal
Analog Circuit Design
Matlab
Simulink
Power Electronics
Simulations
Electrical Engineering
Circuit Design
Asic
Digital Signal Processors
Signal Processing
Semiconductors
Analog
Power Management
Verilog
Pspice
Embedded Systems
Control Systems Design
Pcb Design
Control Theory
Microcontrollers
Labview
Simulation
Amir Babazadeh Photo 2

Amir Babazadeh

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Publications

Us Patents

Methods And Apparatus For Voltage Regulation With Dynamic Transient Optimization

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US Patent:
20120229104, Sep 13, 2012
Filed:
Mar 11, 2011
Appl. No.:
13/046603
Inventors:
Richard Pierson - Newport Beach CA, US
Jinghong Guo - Torrance CA, US
Timothy M. Ng - Monterey Park CA, US
Benjamim Tang - Rancho Palos Verdes CA, US
Amir Babazadeh - Irvine CA, US
Scott Southwell - Seal Beach CA, US
International Classification:
G05F 1/10
US Classification:
323234
Abstract:
Methods and apparatus of dynamic transient optimization in a voltage regulator according to various aspects of the present invention may comprise a transition detector configured to compare an output voltage error to an amplitude threshold. The voltage regulator may further comprise a frequency detector configured to measure the frequency of the amplitude threshold being exceeded and to compare the frequency to a frequency threshold and a response circuit configured to activate a response according to a comparison between the frequency threshold and the frequency of the amplitude threshold being exceeded.

Switching Regulator With Increased Light Load Efficiency

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US Patent:
20130027009, Jan 31, 2013
Filed:
Jul 29, 2011
Appl. No.:
13/194314
Inventors:
Benjamim Tang - Rancho Palos Verdes CA, US
Amir Babazadeh - Irvine CA, US
Giuseppe Bernacchia - Redondo Beach CA, US
Kenneth A. Ostrom - Palos Verdes Estates CA, US
Assignee:
PRIMARION, INC. - Tempe AZ
International Classification:
G05F 1/00
US Classification:
323271
Abstract:
A switching regulator includes a multiphase converter which includes a plurality of main phases configured to covert a power supply voltage to a lower voltage for application to an electronic device at different load conditions. The switching regulator also includes an auxiliary phase configured to operate in a pulse frequency modulation mode during a light load condition so that power is supplied to the electronic device by at least the auxiliary phase during the light load condition.

Switching Regulator Cycle-By-Cycle Current Estimation

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US Patent:
20140002037, Jan 2, 2014
Filed:
Jun 29, 2012
Appl. No.:
13/537827
Inventors:
Amir Babazadeh - Irvine CA, US
Benjamim Tang - Rancho Palos Verdes CA, US
Giuseppe Bernacchia - Redondo Beach CA, US
Assignee:
INFINEON TECHNOLOGIES NORTH AMERICA CORP. - Milpitas CA
International Classification:
G05F 1/46
G01R 19/00
US Classification:
323271, 324 7611
Abstract:
A switching regulator includes an output phase having a high-side transistor and a low-side transistor operable to switch on and off at different periods responsive to a pulse width modulation (PWM) signal applied to the output phase, each cycle of the PWM signal having an on-portion and an off-portion. The switching regulator further includes a current sense circuit operable to sense the current of the low-side transistor, an analog-to-digital converter operable to sample the sensed low-side transistor current during the off-portion for each PWM cycle and a current estimator operable to estimate a cycle average current for the present PWM cycle based on the low-side transistor current sampled during the off-portion for the immediately preceding PWM cycle and a pulse width estimate for the on-portion for the present PWM cycle.

Switching Regulator Output Capacitor Current Estimation

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US Patent:
20140002044, Jan 2, 2014
Filed:
Jun 29, 2012
Appl. No.:
13/537856
Inventors:
Amir Babazadeh - Irvine CA, US
Benjamim Tang - Rancho Palos Verdes CA, US
Kenneth Ostrom - Palos Verdes Estates CA, US
Assignee:
PRIMARION, INC. - Torrance CA
International Classification:
G05F 1/10
US Classification:
323282
Abstract:
A switching regulator includes a controller and a power stage for coupling to a load through an inductor and a capacitor. The a controller is operable to control operation of the power stage via a pulse width modulation (PWM) signal generated based on a difference between a reference voltage and the load voltage and sample the inductor current at a lower rate than the load voltage. The controller is further operable to estimate the capacitor current based on the sampled load voltage, generate an offset to the reference voltage based on the sampled inductor current and the estimated capacitor current and adjust the PWM signal applied to the power stage based on the offset. The switching regulator can be single-phase or multi-phase.

Switching Regulator With Negative Current Limit Protection

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US Patent:
20140002932, Jan 2, 2014
Filed:
Jun 29, 2012
Appl. No.:
13/537907
Inventors:
Benjamim Tang - Rancho Palos Verdes CA, US
Amir Babazadeh - Irvine CA, US
Assignee:
PRIMARION, INC. - Torrance CA
International Classification:
H02H 9/02
US Classification:
361 18
Abstract:
A switching regulator includes a power stage for coupling to a load through an inductor. The power stage switches so that the power stage sources positive current to the load through a first transistor of the power stage during some periods and sinks negative current from the load through a second transistor of the power stage during other periods. The switching regulator further includes a protection circuit operable to force the second transistor into an off-state state responsive to the negative current flowing through the inductor exceeding a predetermined negative threshold.

Multiphase Digital Current Mode Controller With Dynamic Current Allocation

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US Patent:
20140015500, Jan 16, 2014
Filed:
Jul 12, 2012
Appl. No.:
13/547282
Inventors:
Amir Babazadeh - Irvine CA, US
Benjamim Tang - Rancho Palos Verdes CA, US
Giuseppe Bernacchia - Redondo Beach CA, US
Kenneth Ostrom - Palos Verdes Estates CA, US
Assignee:
PRIMARION, INC. - Torrance CA
International Classification:
G05F 1/565
US Classification:
323272
Abstract:
A multiphase switching regulator includes a power stage with at least a first phase and a second phase for supplying power to a load through inductors coupling the phases to the load. The multiphase switching regulator is operated by switching the first phase at a higher switching frequency than the second phase via pulse width modulation (PWM) signals provided to the phases. A phase-specific target current is generated for each phase at the switching frequency for that phase based on the difference between an output voltage of the power stage and a reference voltage. The current in the inductors coupling the phases to the load is sensed, and a duty cycle of the PWM signal provided to each phase is adjusted based on the phase-specific target current and sensed inductor current for that phase.

Methods And Apparatus For Dynamic Voltage Transition

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US Patent:
20140043008, Feb 13, 2014
Filed:
Jun 7, 2011
Appl. No.:
13/155282
Inventors:
Amir Babazadeh - Irvine CA, US
Benjamim Tang - Rancho Palos Verdes CA, US
Jinghong Guo - Torrance CA, US
Scott Southwell - Seal Beach CA, US
Tim Ng - Monterey Park CA, US
Richard Pierson - Newport Beach CA, US
Nick Steffen - Redondo Beach CA, US
International Classification:
G05F 3/02
US Classification:
323304
Abstract:
Methods and apparatus for power regulation according to various aspects of the present invention may operate in conjunction with producing a voltage ramp starting at a first voltage and ending at a second voltage and compensating the voltage ramp according to a compensation parameter. The compensation parameter may be adapted to compensate for a circuit parameter. A voltage may then be generated according to the compensated voltage ramp.

Methods And Apparatus For Dc-Dc Conversion Using Digitally Controlled Adaptive Pulse Frequency Modulation

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US Patent:
20120223693, Sep 6, 2012
Filed:
Jun 7, 2011
Appl. No.:
13/155295
Inventors:
Benjamim Tang - Rancho Palos Verdes CA, US
Amir Babazadeh - Irvine CA, US
International Classification:
G05F 1/46
US Classification:
323283
Abstract:
A method and apparatus for regulating voltage comprising calculating a first PFM on time and a second PFM on time and selecting one the PFM on times according to a selection criteria. Then activating and deactivating at least one switch according to the selected PFM on time.
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Amir Babazadeh from Aliso Viejo, CA, age ~43 Get Report