The launch of the new AxMR technology platform has been announced by Allegro MicroSystems, which the company expects to strengthen its position as the market leader in magnetic sensor integrated circuits (ICs). The launch is the culmination of more than five years of extensive research and development efforts, a sizable investment that supports Allegro’s mission to create a broad portfolio of innovative magnetic sensor ICs for hig...

Allegro MicroSystems Europe has announced a new family of current sensor ICs that provide economical and precise solutions for AC or DC current sensing. A 200kHz bandwidth makes it suitable for motor control, load detection and management, power supply and DC/DC converter control, as well as inverter control. The 2.5µs response time enables overcurrent fault detection in safety-critical applications.

A new sensorless BLDC controller has been announced by Allegro MicroSystems, which is the most advanced solution on the market today. Allegro’s automotive version of the A5932 is a three-phase BLDC motor controller solution that is targeted at high-power automotive fan applications with very low vibration and audible noise requirements. MOSFET gate driver outputs permit motor currents that can be scaled to fit the applications requirem...

The first fully integrated GMR-based current sensor IC from Allegro MicroSystems has been released with ultra-high sensitivity for applications that require less more than 5A current sensing. The ACS70331 current sensor IC incorporates giant magneto-resistive (GMR) technology that is 25 times more sensitive than traditional Hall-effect sensor ICs to sense the magnetic field generated by the current flowing through the low resistance, integrated p...

The release of a new family of 2D Hall-Effect Latch ICs has been announced by Allegro MicroSystems, which feature both vertical and planar Hall elements. The APS12625 and APS12626 sensor ICs enable reduced system size and bill-of-materials (BOM) cost along with an increase in performance and flexibility due to 2D sensing. They were developed in accordance with ISO 26262 and qualified per AEC-Q100, making them suitable for automotive and othe...

A new package offering for its wheel speed sensor product family has been announced by Allegro MicroSystems Europe. The package includes an optimised Hall-effect integrated circuit (IC), rare-earth pellet, and high-temperature ceramic capacitor in a single overmoulded package. The fully integrated solution reduces the need for external EMC protection and integration of a magnetic circuit, reducing manufacturing complexity.

A new power management IC has been announced by Allegro MicroSystems, which integrates a buck or buck/boost pre-regulator, four LDOs, and four floating gate drivers. The pre-regulator uses a buck or buck/boost topology to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage complete with control, diagnostics, and protections. 

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.

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...

  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. 

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.

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. 

  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.

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...

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...

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.

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.

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.

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.

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.