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Allegro MicroSystems Europe
Address:
Les Pleiades
Park Nord Annecy
Metz-Tessy
74370
France
Telephone: (France) +334 50512359
http://www.allegromicro.com
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Listing of all 167 news releases from Allegro MicroSystems Europe:
Sensor ICs suit high-frequency applications
Each BiCMOS monolithic circuit integrates a Hall-effect sensor element, temperature-compensating circuitry to reduce the intrinsic sensitivity drift of the Hall element.
News from Allegro MicroSystems Europe (14 May 2008)
Hall-effect switch suits battery-powered use
The A1172 can easily replace reed switches, providing superior reliability and ease of manufacturing while eliminating the requirement for signal conditioning.
News from Allegro MicroSystems Europe ( 7 May 2008)
Motor driver ICs suit fast stop/start cycles
The A1444 and A1445 employ a soft-switching algorithm to reduce audible switching noise and EMI interference.
News from Allegro MicroSystems Europe ( 1 May 2008)
Sensor IC boosts noise immunity
The A1351 linear Hall-effect sensor IC converts an analogue signal from its internal Hall sensor element to a digitally encoded PWM output signal.
News from Allegro MicroSystems Europe (24 April 2008)
Switching regulator cuts interference
The A4490 uses multiphase switching to reduce electromagnetic interference and minimise stress on the input capacitors by interleaving the turn-on cycle of the regulators.
News from Allegro MicroSystems Europe (16 April 2008)
LED driver scales up to big displays
16-channel LED driver is easy to cascade for larger-scale display applications.
News from Allegro MicroSystems Europe ( 4 April 2008)
Motor controller ICs simplify system design
The Hall sensor inputs can be driven directly by a microprocessor, which makes the A3930 and A3931 key components in a robust sensorless back-EMF solution.
News from Allegro MicroSystems Europe (27 March 2008)
LED driver allows channel adjustment
Each of the A6285's 16 channels individually adjusted from 0 to 100% of the maximum value via the dot correction register.
News from Allegro MicroSystems Europe ( 6 March 2008)
Hall-effect ICs sleep to save power
Sensor ICs provide a voltage output that is directly proportional to an applied magnetic field.
News from Allegro MicroSystems Europe (26 February 2008)
Driver sheds light on automotive applications
High-brightness constant-current LED driver IC is designed to operate over typical automotive voltage and temperature ranges, running from inputs from 6 to 40V.
News from Allegro MicroSystems Europe (15 February 2008)
Hall-effect switch saves portable power
Ultrasensitive micropower Hall-effect switch includes latched digital outputs and either unipolar or omnipolar actuation.
News from Allegro MicroSystems Europe ( 1 February 2008)
Linear current sensors meet automotive demands
The ACS714 and ACS715 linear current sensors both consist of a precise, low-offset, linear Hall sensor circuit with a copper conduction path located near the surface of the die.
News from Allegro MicroSystems Europe (14 January 2008)
Voice-coil motor driver zooms in to handsets
Voice-coil motor driver IC has a built-in I2C serial interface for precise high-speed digital programming.
News from Allegro MicroSystems Europe (29 November 2007)
PSU controller targets automotive displays
Automotive-grade quasiresonant discontinuous flyback convertor control IC provides all the necessary control functions for driving a vacuum fluorescent display.
News from Allegro MicroSystems Europe (19 November 2007)
Predriver enables advanced motor control
Enable, direction and brake inputs can be used to control the motor, speed, position and torque.
News from Allegro MicroSystems Europe ( 2 November 2007)
Driver is bright choice for three-colour dimming
Three-channel constant-current LED driver IC incorporates an on-chip oscillator for simple programmable brightness control.
News from Allegro MicroSystems Europe (22 October 2007)
Compact IC minimises voltage changes
Allegro MicroSystems' A3903 has a typical input voltage range of 3 to 5.5V and produces an output current up to 500mA.
News from Allegro MicroSystems Europe ( 5 October 2007)
Speed and direction sensing in one
Two-channel Hall-effect sensor is ideal for use in harsh automotive and industrial environments.
News from Allegro MicroSystems Europe (20 September 2007)
Motor drive IC incorporates translator circuitry
The built-in translator circuitry makes the A4983 very easy to operate, and requires only two control lines compared with eight or more for competing devices.
News from Allegro MicroSystems Europe (10 September 2007)
Hot-swap protection for 12V systems
Hot-swap protection IC combines Hall-effect current sensing technology with hot-swap control circuitry, resulting in a highly efficient integrated controller.
News from Allegro MicroSystems Europe (23 August 2007)
Integrated circuit suits vibration motors
Two motor drivers come together
Switch interface needs no sense resistor
Two in one for cost-effective motor control
Regulators power satellite receivers
Paper on high-speed low-noise current sensing
Hall switch has a finger on the pulse
Relay driver chip for automotive applications
Charge pump cuts the cost of LED driving
Driver cuts LED display component count
Quad DMOS motor driver comes in two packages
Software tool speeds up gear design
Current sensors handle high-side applications
Regulators provide power and interface for LNBs
Motor driver translates to easy application
Regulator ICs integrate power DMOS switches
Dual full-bridge PWM motor driver IC
LED driver covers backlights and flashes
Linear Hall-effect sensors are small and accurate
Motor driver features synchronous rectification
Hall sensors cut power for handsets
Driver chip takes on two-phase steppers
IC is dedicated to smoke detectors
MOSFET predrivers meet automotive demands
Buck regulator accepts wide-ranging inputs
Motor driver saves portable power
White LED driver offers intelligent dimming
Hall effect sensors replace contact potentiometers
Motor driver shrinks without thermal compromise
Stepper drivers simplify peripheral circuitry
LED drivers spot busted diodes
Current sensors are economical and precise
Driver chip watches out for dodgy LEDs
Software speeds switch-mode PSU design
Sensors take automotive position
Motor driver IC takes Hall sensor onboard
Small claims for current sensors
Hall-effect switch offers inverted output
Process upgrades sink driver performance
Step-down regulator has wide input range
Low-cost charger IC for xenon photoflash
Regulator gets the jitters to cut EMI
Automotive sensors ease circuit design
Microstepping driver IC has built-in translator
Sink driver ICs feature flexible interfacing
Hall-effect latches replace legacy devices
Step-up convertor is biased about displays
Hall-effect switches upgrade performance
Driver chips link logic to inductive loads
Self-calibrating speed sensor hits the road
Boost convertor powers uniform LED backlights
Stepper driver ICs are easy to interface
Hall-effect switches are chopper stabilised
Hall-effect switches are ultrasensitive
Power managers target low-output switchers
Stepper-motor driver has easy MPU interface
Hall-effect switch ousts reed devices
Hall-effect switches have latched digital outputs
Quasiresonant topology cuts switching noise
Hall sensors have programmable outputs
Hall-effect sensors on show in Nuremberg
Hall-effect sensor ICs handle the heat
Automotive regulator chip has multiple outputs
Surface-mount Hall sensors integrate current path
Europe gains sensor applications centre
Accurate claims for Hall-effect current sensors
Boost convertor drives up to seven white LEDs
Compact surface-mount outline for LDOs
IC senses automotive crankshaft speed
Automotive electronics portfolio on show in Paris
LNB regulators power up satellite set-top boxes
Power module has intelligence for white goods
Gear-tooth sensor for automotive transmissions
Hall-effect switches run hot under the bonnet
Novel convertor chip raises PSU efficiency
Hall-effect switches cover the field
Upgrade for current sensor range
Hall-effect switch is a sensitive sort
PWM controller provides flexible motion
Low-voltage modules reach high powers
Three-phase controller is precise about speed
Switching regulators step down to 1.5V
Complete control and drive for two-phase steppers
Linear regulators cover a wide range
Expansion for French operations
LIN transceiver powers up slave nodes
High-current gate driver IC for three-phase motors
Current sensors handle automotive heat
Synchronous rectification for fast load response
DMOS microstepping driver has built-in translator
Temperature-compensated Darlingtons for audio
Automotive power MOSFET half-bridge controller IC
Microstepping driver ICs have built-in sequencing
Interface chips keep logic safe from power
Digital H-bridge power amplifier IC
Sensor Business Unit to relocate
Controller takes on motoring motors
Audio transistors are temperature compensated
Power modules take more onboard
Omnipolar Hall-effect devices oust reed switches
High-power DC motor driver for automotive uses
High-side driver IC for linear current control
Micropower omnipolar digital Hall-effect switches
IGBT array for three-phase motor inverters
MOSFET temperature compensation is a sound idea
Regulators power up receiver low-noise blocks
Gear-tooth sensor aims for automotive applications
Packaging enhances sensor performance
Automotive transceivers take power onboard
Simple solution to driving steppers
Latched constant-current LED drivers
Inverter modules aim for white goods integration
Gear-tooth sensor has 9bit signal capture
DMOS power drivers take 8bit addresses
True zero-speed operation from gear sensor IC
Microstepping driver IC has built-in translator
Stepper IC features minimal power consumption
MOSFET controller drives automotive power
Serial input latched source driver IC
Motor controller IC with built-in drivers
More sensitivity for current sensor
PWM chip provides flexible DC motor control
Monolithic Hall-effect gear-tooth sensor IC
Dual full-bridge motor driver ICs feature brake
Allegro has designs on Musselburgh
Hall-effect switch for battery applications
Dual DMOS full-bridge motor driver IC
High-side protected switch for battery application
Low-voltage, high-current linear regulator
New applications management at Allegro
Stepper-motor driver IC has built-in translator
Allegro leads in Hall-effect sensors segment
Fixed-off-time flyback switching regulator IC
PWM motor drivers provide up to 3A
Offline quasiresonant flyback switching regulator
Gear-tooth sensor for automotive applications
Three-phase motor control IC has back-EMF sensing
Power supply chip changes mode to raise efficiency
Three-phase brushless DC motor MOSFET controller
Self-calibrating gear-tooth sensor controls ABS
High-efficiency microstepping motor modules
Hall-effect adaptive gear-tooth sensor
Blue light-emitting diodes available from Allegro
Integrated switching regulators cut PSU cost
