1
Massimiliano Brambilla, Gianluca Colli: Driver circuit including amplifier operated in a switching mode. STMicroelectronics, Theodore E Galanthay, Lisa K Jorgenson, Gordon H Telfer, October 27, 1998: US05828245 (34 worldwide citation)

A driver circuit with an amplifier operated in a switching mode has threshold detectors with devices to compare the amplifier input and output voltage respectively to predetermined minimum and maximum levels representing fully off and fully on conditions for the driver circuit. The circuit provides ...


2
Gianluca Colli, Massimiliano Brambilla: Driver circuit including preslewing circuit for improved slew rate control. SGS THOMSON Microelectronics, Theodore E Galanthay, Lisa K Jorgenson, Gordon H Telfer, April 21, 1998: US05742193 (29 worldwide citation)

A preslewing circuit to rapidly drop a voltage on the gate of a power device in a power stage has a combination of a bipolar transistor and CMOS transistors. The gate voltage is brought down by the preslewing circuit to a level at which an output voltage can begin to change. The combination has high ...


3
Gianluca Colli, Massimiliano Brambilla: Driver circuit including slew rate control system with improved voltage ramp generator. STMicroelectronics, Theodore E Galanthay, Lisa K Jorgenson, Gordon H Telfer, October 20, 1998: US05825218 (23 worldwide citation)

A voltage ramp generator for a driver circuit is provided to give an output that is highly linear between zero and a maximum voltage has a combination of current sources or generators for charging and discharging a capacitor, with discharging performed by sequencing two different types of current so ...


4
Massimiliano Brambilla, Giampietro Maggioni: Inductive load drive circuit, particularly for fuel injections. S G S Thomson Microelectronics S r l, Townsend and Townsend Khourie and Crew, August 23, 1994: US05341032 (13 worldwide citation)

A circuit comprising a switch series connected to a load; a first and second current recirculating branch alternately connectable parallel to the load, for reducing the current in the same; and a logic control unit for opening and closing the switch and recirculating branches, so that the load is su ...


5
Carlo Vertemara, Paolo Menegoli, Massimiliano Brambilla: Statistical phase detection and go start-up algorithm. STMicroelectronics, David V Carlson, Theodore E Galanthay, Lisa K Jorgenson, July 18, 2000: US06091222 (11 worldwide citation)

A method for starting a polyphase DC motor having a rotor. The position of the rotor is detected by initiating current in each of the phases of the motor and measuring a time period between the initiation of current in the coil and an instant when the current exceeds a threshold current. The phase i ...


6
Massimiliano Brambilla, Giampietro Maggioni: Drive circuit fault detection drive. SGS Thomson Microelectronics S r l, David M Driscoll, James H Morris, April 22, 1997: US05623254 (11 worldwide citation)

A drive circuit fault detection device comprising a discriminating circuit generating a digital signal, the level of which indicates a fault; and an identifying circuit generating a binary-coded signal indicating the type of fault, i.e. ground shorting of the drive circuit or an open load. The discr ...


7
Vanni Poletto, Massimiliano Brambilla: Reference voltage generator with programmable thermal drift. SGS Thomson Microelectronics S r l, Seed and Berry, May 4, 1993: US05208527 (11 worldwide citation)

The generator comprises a first generator of voltage with thermal drift of zero, a second generator of voltage with given thermal drift, first means for applying a given load to the voltage generated by the first generator, second means for applying a given load to the voltage generated by the secon ...


8
Karl M Schlager, Massimiliano Brambilla: Control of slew rate during turn-on of motor driver transistors. SGS THOMSON Microelectronics, David V Carlson, Theodore E Galanthay, Lisa K Jorgenson, August 26, 1997: US05661383 (10 worldwide citation)

A circuit for controlling the slew rate at a motor coil during turn-on in a commutation sequence is disclosed. The disclosed circuit includes a switched current mirror that receives the commutation signal, and that provides a mirrored current to the input of an integrating buffer amplifier when its ...


9
Carlo Vertemara, Paolo Menegoli, Massimiliano Brambilla: Statistical phase detection and go start-up algorithm. STMicroelectronics, David V Carlson, Theodore E Galanthay, Lisa K Jorgenson, May 8, 2001: US06229274 (9 worldwide citation)

A method for starting a polyphase DC motor having a rotor. The position of the rotor is detected by initiating current in each of the phases of the motor and measuring a time period between the initiation of current in the coil and an instant when the current exceeds a threshold current. The phase i ...


10
Massimiliano Brambilla, Marco Morelli, Giampietro Maggioni, Paolo Menegoli: Voltage reference circuit with linearized temperature behavior. Thomson Microelectronics, Wolf Greenfield & Sacks, March 19, 1991: US05001414 (8 worldwide citation)

This voltage reference circuit has high thermal stability and minimal bulk and comprises a transistor defining a base-emitter junction having a voltage drop which varies in a non-linear manner as a function of temperature and resistors connected in series to the junction, the junction and the resist ...