Allegro MicroSystems Europe Ltd
Allegro MicroSystems Europe Ltd Articles
Three-phase MOSFET driver IC has on-board regulator
A new three-phase MOSFET driver IC with an integrated low dropout regulator supplying 5V or 3.3V has been introduced by Allegro MicroSystems. The A4919 is designed for a wide range of industrial applications, and it can be controlled with block (trapezoidal), sinusoidal, or vector commutation when interfaced with a microprocessor.
High bandwidth sensors provide 3,600 VRMS isolation
Allegro MicroSystems Europe has added a new generation of high bandwidth current sensor ICs to its existing family of devices. The Allegro ACS732 and ACS733 current sensor ICs provide a compact, fast, and accurate solution for measuring high frequency currents in DC/DC converters and other switching power applications. These devices are the first 1MHz offerings from Allegro to offer 3,600 VRMS galvanic isolation ratings. The current sensor ICs ar...
Full bridge motor driver designed for maximum supply voltage
A new quad DMOS full-bridge driver has been introduced by Allegro MicroSystems. It is capable of driving up to two stepper motors or four DC motors. The AMT49701 was designed specifically for dual axis, point of sale, office automation, security, surveillance, IP cameras, as well as industrial automation applications.
Angle sensor ICs support analogue output signals
A new 0-360° angle sensor IC has been introduced by Allegro MicroSystems. It provides contactless high resolution angular position information based on magnetic Circular Vertical Hall (CVH) technology. Allegro’s A1330 devices include a System-on-Chip (SoC) architecture that includes: a CVH front end, digital signal processing, and either an analogue or digital PWM output signal.
A new 0-360° angle sensor ICs has ultra-fast response time
The A1333 and A1339 are the two new 0° to 360° angle sensor ICs from Allegro MicroSystems Europe that have ultra-fast 15µs response time and support 10MHz SPI and real-time ABI and UVW outputs for fast data transmission. They also provide contactless high-resolution angular position information based on magnetic Circular Vertical Hall (CVH) technology.
Automotive bipolar stepper motor driver IC eliminates external LDO
A new automotive bipolar stepper motor driver IC or dual DC motor driver IC that is designed for pulse-width-modulated (PWM) control of low-voltage stepper motors and dual or single high current DC motors has been introduced by Allegro MicroSystems.
New flexible sensorless sinusoidal three-phase gate controller
The release of a three-phase, sensorless, brushless DC (BLDC) motor controller for use with external N-channel power MOSFETs has been announced by Allegro MicroSystems Europe. Allegro’s A4964 is specifically designed for the automotive market with target applications to include engine cooling fans and oil and water pumps. It is designed to provide the motor control functions in a system where a small microcontroller provides the commun...
Integrated EMI protection in a user-friendly module
A new optimised Hall-effect three-wire differential speed sensor integrated circuit (IC) and permanent magnet pellet combination has been announced by Allegro MicroSystems Europe. Allegro’s ATS668 has integrated EMC protection components to provide a user-friendly solution for true zero-speed digital gear tooth sensing. It is offered in a small single over-mould package that can be easily assembled and used in conjunction with a wide v...
Three-axis linear Hall-effect sensor IC is accurate and flexible
The release of a new three-axis linear Hall-effect sensor IC that provides 12-bit digital output words that are proportional to the strength of the field present in each of the X, Y, and Z axes has just been announced by Allegro MicroSystems Europe. The quiescent output value (zero magnetic field applied) is at mid-scale.
Buck-boost regulator designed to power automotive sensors
The release of a new wide input 5V output regulator has been announced by Allegro MicroSystems Europe, which is designed to power automotive sensors and low power uControllers. It can also be used for non-automotive applications where the input voltage could be above or below 5V.
Current sensor IC with dual fault user settable
Allegro MicroSystems Europe has introduced a new high accuracy Hall-effect-based current sensor IC with multiple programmable fault levels intended for industrial and consumer applications with a focus on motor control and power inverter stage applications. One of the key benefits of Allegro’s ACS720 is to provide high isolation with a reduced bill of materials made possible by the proprietary IC SOIC-16W package.
High accuracy sensor IC designed with low power conductors
A new high accuracy Hall-effect-based current sensor IC has been introduced by Allegro MicroSystems with multiple programmable fault levels intended for industrial and consumer applications with a focus on motor control and power inverter stage applications. One of the key benefits of Allegro’s ACS720 is to provide high isolation with a reduced bill of materials made possible by the proprietary IC SOIC-16W package.
Automotive MOSFET driver ICs designed for high-power applications
The two new N-channel power MOSFET driver ICs from Allegro MicroSystems Europe, is capable of controlling MOSFETs connected in a half-bridge arrangement. Allegro’s A4926 and A4927 are specifically designed for automotive applications with high-power inductive loads, such as, DC Pumps (Braking, Oil, Water, and Fuel), HVAC (Blower Fan), solenoids, and actuators.
Driver IC drives up to two stepper motors or four DC motors
Allegro MicroSystems Europe has introduced a new quad DMOS full-bridge driver IC capable of driving up to two stepper motors or four DC motors. Each full-bridge output is rated up to 1.6 A and 40 V. Allegro’s A5990 includes fixed off-time pulse-width modulation (PWM) current regulators, along with 2- bit nonlinear DACs (digital-to-analog converters) that allow stepper motors to be controlled in full, half, and quarter steps, and DC motors i...
Two-wire Hall-effect switch ICs come with advanced diagnostics
Allegro MicroSystems Europe have announced the release of a new family of two-wire vertical Hall-effect switch ICs with advanced diagnostics. Allegro’s A1130, A1131 and A1132 have been developed in accordance with ISO 26262. These devices have integrated continuous diagnostic features and a safe output state that supports a functional safety level of ASIL-B. These devices feature a two-wire current output interface that facilitates open/sho...
Hall-effect IC for direction detection sensing
A new optimised Hall-effect integrated circuit (IC) and rare-earth pellet combination has been introduced by Allegro MicroSystems Europe that provides a user-friendly solution for direction detection and true zero-speed, digital gear-tooth sensing. The small package can be easily assembled and used in conjunction with a wide variety of gear-tooth-sensing applications. This new IC employs patented algorithms for the special operational requirement...
Micropower LED driver contains integrated Hall-effect switch
A new micropower LED driver IC has been released by Allegro MicroSystems Europe that features an integrated Hall-effect switch. The APS13568 enables compact, elegant, reliable, and fault-tolerant LED lighting with minimal electrical engineering and low component-count and cost. A single silicon chip integrates: a micropower regulator, a Hall plate, a small-signal amplifier, chopper stabilisation, a Schmitt trigger, open drain Hall-effect switch, ...
ICs have analogue output in miniature SIP packages
Allegro MicroSystems Europe has announced two new linear Hall-effect sensor ICs with analogue output, targeted at the automotive and industrial markets. New applications for linear output Hall-effect sensor ICs, such as displacement and angular position, require higher accuracy and smaller package sizes. Allegro’s A1308 and A1309 devices have been designed specifically to meet both requirements.
Three-phase sensorless BLDC driver is previewed at PCIM Europe
PCIM Europe 2017: Among the sensors and power ICs from Allegro MicroSystems Europe at PCIM Europe 2017 (Hall 7 stand 441), there was a preview of the A5931 motor driver IC.
Integrated DC motor driver IC reduces design complexibilty
A motor driver IC designed for pulse-width-modulated (PWM) control of DC motors has been released from Allegro MicroSystems. Allegro’s A5950 is capable of peak output currents up to ±3 A and operating voltages up to 40V. This new device is targeted at the automotive market with end applications to include heads-up-display, shift drive, door closure and engine thermal management applications.