Companies

Allegro MicroSystems Europe Ltd

  • Balfour House Churchfield Road Walton-on-Thames Surrey
    KT12 2TD
    United Kingdom
  • +33 (0) 4 50512359
  • www.allegromicro.com
  • +33 (0) 4 50512083

Allegro MicroSystems Europe Ltd Articles

Displaying 241 - 250 of 250
Analysis
1st February 2007
High-performance low-noise current sensors with 2100V RMS isolation

Allegro MicroSystems Europe has introduced two new families of high-performance low-noise Hall-effect current sensors featuring an isolation voltage of 2100 V RMS. Each device is available in ±5 A, ±20 A or ±30 A versions, with corresponding sensitivity levels of 185, 100 or 66 mV/A.

Analysis
29th January 2007
LNB voltage regulator ICs for satellite receiver applications

The new A8290 and A8291 from Allegro MicroSystems Europe are single low noise block (LNB) convertor regulator ICs for use in analogue and digital satellite receivers.

Power
12th January 2007
High-voltage microstepping motor driver IC with built-in translator and overcurrent protection

The new A3987 from Allegro MicroSystems Europe is a microstepping motor driver IC which combines an output drive capability of 50 V and ±1.5 A with built-in translator circuitry and overcurrent protection. The new device is designed to operate bipolar stepper motors in full, half, quarter and sixteenth step modes, and includes a fixed off-time current regulator which has the ability to operate in slow or mixed decay modes. Typical applications ...

Power
4th January 2007
Step-down regulator ICs combine wide input voltage range with 3 A and 4 A outputs

The new A8698 and A8697 from Allegro MicroSystems Europe are the latest additions to the company's range of step-down regulator ICs.

Analysis
7th December 2006
Dual full-bridge PWM motor driver IC

The new A3969 from Allegro MicroSystems Europe is a compact dual full-bridge pulse-width modulated (PWM) motor driver integrated circuit which is ideally suited to applications in portable equipment or where board space is limited.

Power
23rd November 2006
White LED driver IC for display backlight and flash/torch

The A8530 from Allegro MicroSystems Europe is a high-efficiency charge pump integrated circuit that offers a simple, low-cost white LED driver solution for driving four display backlight and two flash/torch video-mode white LEDs.

Mixed Signal/Analog
12th November 2006
Allegro's A138X Programmable Hall sensor ICs are low profile

The new A138X family of Hall-effect sensor integrated circuits from Allegro MicroSystems Europe are programmable, analogue-output devices that are offered in a choice of low-profile surface-mount packages.

Analysis
29th October 2006
PWM motor driver controls bipolar microstepping stepper motors

The new A3992 from Allegro MicroSystems Europe is a DMOS full-bridge microstepping PWM motor driver integrated circuit designed for the pulse-width-modulated (PWM) current control of bipolar microstepping stepper motors.

Mixed Signal/Analog
15th October 2006
Hall-effect sensor ICs for battery-powered applications

The new A1391 and A1392 linear Hall-effect sensor ICs from Allegro MicroSystems Europe are micropower devices that feature a power consumption of only 10 mW in active mode. Despite the low power consumption, the features required to produce a highly accurate linear Hall effect IC have not been compromised.

Power
3rd October 2006
Dual full-bridge MOSFET driver IC with microstepping translator

The A3986 from Allegro MicroSystems Europe is a dual full-bridge gate driver IC with integrated microstepping translator circuitry. The device is suitable for driving a wide range of industrial bipolar 2-phase stepper motors in the 30 to 500 W power range. Motor power is provided by external N-channel power MOSFETs at supply voltages from 12 to 50 V.

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