A4964: Sensorless Sinusoidal Drive BLDC Controller

The A4964 is a three-phase, sensorless, brushless DC (BLDC) motor controller for use with external N-channel power MOSFETs and is specifically designed for automotive applications. It is designed to provide the motor control functions in a system where a small …
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Allegro MicroSystems, LLC Announces a new Three-Wire Differential Speed Sensor Integrated Circuit

Allegro MicroSystems, LLC announces a new optimized Hall-effect three-wire differential speed sensor integrated circuit (IC) and permanent magnet pellet combination. Allegro’s ATS668 has integrated EMC protection components to provide a user-friendly solution for true zero-speed digital gear tooth sensing. For …
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Allegro MicroSystems, LLC Announces a New Three-Axis Linear Hall-Effect Sensor IC

Allegro MicroSystems, LLC announces 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. The …
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Allegro MicroSystems, LLC Announces Wide Input Voltage Inductorless Buck-boost Regulator

Allegro MicroSystems, LLC has announced the release of a new wide input 5 V output regulator 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 …
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Allegro MicroSystems, LLC Announces New Automotive, Half-bridge MOSFET Driver ICs

Allegro MicroSystems, LLC announces two new N-channel power MOSFET driver ICs 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, …
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Allegro MicroSystems, LLC Introduces New Quad DMOS Full Bridge PWM Motor Driver IC

Allegro MicroSystems, LLC introduces 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 …
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Allegro MicroSystems, LLC Announces Two-wire Hall-effect Switch ICs with Advanced Diagnostics

Allegro MicroSystems, LLC announces 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 …
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Allegro MicroSystems, LLC Announces Micropower LED Driver with Integrated Hall-Effect Switch

Allegro MicroSystems, LLC announces the release of a new micropower LED driver IC 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 …
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Allegro MicroSystems, LLC Announces a New Family of Low Voltage Precision Hall Effect Latch ICs

Allegro MicroSystems, LLC announces a low voltage family of AEC-Q100 qualified three-wire Hall-effect latches. The APS12205, APS12215, and APS12235 are produced on the Allegro™ advanced BiCMOS wafer fabrication process, which implements a patented high-frequency chopper stabilization technique. For full article: http://www.allegromicro.com/en/About-Allegro/News-Room/2017/APS122x5-Press-Release.aspx

Allegro MicroSystems introduces new multi-output automotive power management IC with buck-boost pre-regulator

Allegro MicroSystems Europe has introduced a new power management IC that uses a buck or buck-boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage, complete with control, diagnostics, and protections. For the full story: http://www.allegromicro.com/en/About-Allegro/News-Room/2017/A4408-Press-Release.aspx

Allegro MicroSystems, LLC Announces New Three-Phase BLDC Controller and MOSFET Driver IC

Allegro MicroSystems, LLC announces a new three-phase brushless BLDC motor controller for use with N-channel external power MOSFETs. Allegro’s AMT49413 incorporates much of the circuitry required to design a cost-effective, three-phase motor drive system with maximum supply voltages up to …
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Allegro MicroSystems, LLC Announces New 0° To 360° Angle Sensor ICs

Allegro MicroSystems, LLC introduces two new 0° to 360° angle sensor ICs that provide contactless high-resolution angular position information based on magnetic Circular Vertical Hall (CVH) technology. Allegro’s A1337 and A1338 devices have a system-on-chip (SoC) architecture that includes: a …
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Allegro MicroSystems announces second generation automotive three-phase isolator MOSFET driver IC

Allegro MicroSystems, LLC introduces a new N-Channel power MOSFET driver capable of isolating a three phase load by controlling the in-phase isolation MOSFETS. Allegro’s A6862 motor driver IC is intended for automotive systems that must meet Automotive Safety Integrity Level …
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Allegro MicroSystems, LLC Introduces New Programmable Linear Hall-Effect Sensor IC

Allegro MicroSystems, LLC introduces a new programmable linear Hall-effect sensor IC designed for applications that require high accuracy and high resolution without compromising bandwidth. Allegro’s A1377 employs segmented, linearly interpolated temperature compensation technology. This improvement greatly reduces the total error …
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ACS780 & ACS781 High Current Density Fully Integrated Current Sensor ICs

The Allegro ACS780xLR is a fully integrated current sensor linear IC in a new core-less package designed to sense AC and DC currents up to 100 A. This automotive-grade, low-profile (1.5 mm thick) sensor IC package has a very small …
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Allegro MicroSystems, LLC Announces New Low Voltage Bipolar Stepper or Dual DC Motor Driver IC

Allegro MicroSystems, LLC announces a new low voltage bipolar stepper or dual DC motor driver IC. The A3916 device was designed for pulse-width-modulated (PWM) control of low-voltage stepper motors or dual DC motors and is capable of output currents up …
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Allegro MicroSystems, LLC Announces Dual Die Highly Programmable Linear Hall Sensor IC

Allegro MicroSystems, LLC announces a new dual die, highly programmable linear hall sensor IC that is an ideal solution for safety-critical applications. It incorporates full die redundancy with the added benefits of full diagnostics. The combination of these two features …
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Allegro MicroSystems, LLC Introduces New Unidirectional, Factory Programmed Linear Hall IC In Surface Mount Package

Allegro MicroSystems, LLC announces a new linear hall IC 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 ALS31000 linear …
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Allegro Microsystems, LLC Announces New Programmable Linear Hall IC With Advanced Diagnostics and Integrated Capacitors

Allegro MicroSystems has announced a new high-precision, programmable Hall-effect linear sensor integrated circuit (IC) with an open-drain output, for both automotive and non-automotive applications. The signal path of Allegro’s A1342 provides flexibility through external programming that allows the generation of …
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Allegro Microsystems, LLC Introduces New Automotive-Grade, Constant-Current PWM Dimmable Buck Regulator LED Driver

Allegro MicroSystems, LLC introduces a new automotive, AEC-Q100 qualified single IC switching regulator that provides constant-current output to drive high-power LEDs. Allegro’s A6217 integrates a high-side N-channel DMOS switch for DC-to-DC step- down (buck) conversion. A true average current is …
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