An automotive version of the A4950 full-bridge motor driver IC is now available from Allegro MicroSystems Europe. The A4950 is designed for pulse width modulated (PWM) control of DC motors, and is capable of peak output currents to ±3.5 A and operating voltages to 40 V. The device is AECQ100 Grade 1 qualified and is rated over an extended ambient operating temperature range of -40°C to 125°C.

Allegro MicroSystems, Inc. announces a new current sensor IC that provides an economical and precise solution for AC or DC current sensing in 3.3 V supply applications. This new device is targeted at the automotive and industrial markets. Typical applications include motor control, load detection and management, power supply and DC-to-DC converter control, inverter control, and overcurrent fault detection.

The new ACS759 from Allegro MicroSystems is a high-current/high-temperature linear Hall-effect current sensor IC that provides an economical and precise solution for AC or DC current sensing in 3.3 V supply applications.

The new A4979 from Allegro MicroSystems Europe is a programmable stepper motor driver IC with microstepping capability and improved programmability and diagnostics. The new device is a flexible microstepping motor driver with a built-in translator for easy operation. It offers a single-chip solution for operating bipolar stepper motors in full-, half-, quarter- and sixteenth-step modes at voltages up to 50 V and currents up to 1.5 A.

The new A8601 from Allegro MicroSystems Europe is a fixed-frequency, multiple-output voltage regulator IC designed to provide the LCD display bias in automotive infotainment applications.

New from Allegro MicroSystems Europe, the A1250 is a bipolar Hall-effect switch IC incorporating a high-speed chopping circuit which cancels out offsets and dramatically improves switching repeatability through enhanced temperature stability and stress resistance.

The A8303 from Allegro MicroSystems Europe is a new addition to the company’s family of LNBR (low-noise block regulator) ICs for use in satellite receivers and LCD TV “combo” receivers. The new device uses small ceramic capacitors rather than electrolytic devices to provide a lower-profile solution, as well as incorporating a key output voltage setting (15.6 V) to accommodate Japan-specific design requirements.

The new ACS716 from Allegro MicroSystems Europe is an open-loop Hall-effect current-sensor IC that provides an accuracy and bandwidth performance that is near to that of closed-loop devices. The new device, which features a bandwidth of 120 kHz and is optimised for 3.3 V supply operation, is designed to provide an economical and precise solution to current-sensing applications in industrial, commercial and communications systems.

Internal pulse-width-modulated (PWM) current control combined with an internal three-bit nonlinear digital-to-analogue converter allows the motor current to be controlled in full-, half-, quarter- or eighth-step (microstepping) modes, while nonlinear increments minimise the number of control lines necessary for microstepping. The benefits of microstepping include increased step resolution and reduced torque variations and resonance problems at lo...

The new A8299 from Allegro MicroSystems Europe is a robust dual-channel low-noise block (LNB) regulator designed to provide the power and interface signals via coaxial cable to the LNB down-converters used in analogue and digital satellite receivers.

The new A4973 from Allegro MicroSystems Europe is a full-bridge motor driver IC that is designed for bidirectional pulse-width-modulated (PWM) current control of DC motors at continuous output currents up to ±1.5 A and operating voltages up to 50 V.

The new A8513 from Allegro MicroSystems Europe is a single-output white LED driver driver IC designed for backlighting applications in LCD displays for automotive and consumer applications and their associated application, performance, and protection requirements.

The new A4970 from Allegro MicroSystems Europe is a dual, full-bridge PWM motor driver IC featuring the latest DMOS technology to provide a significant reduction in quiescent and switching power losses.

The A8295, A8297 and A8298 from Allegro MicroSystems Europe are the latest generation of devices in a family of single and dual low-noise block (LNB) supply and control voltage regulator ICs designed for use in satellite receivers in set-top boxes and LCD television sets.

New from Allegro MicroSystems Europe, the A1244 is a two-wire Hall-effect latch featuring on-chip transient protection and a zener clamp to protect against overvoltage conditions on the supply line. The new device, which is programmed at the factory to optimise the magnetic switch point accuracy, uses the same patented high-frequency, 4-phase, chopper-stabilisation technique that is used on the company's complementary family of unipolar switches....

The A4960 from Allegro MicroSystems Europe is a new 3-phase sensorless brushless DC motor controller IC that incorporates extensive diagnostic and protection features. Designed for use with external N-channel power MOSFETs, the new device is ideally suited to the control of pumps, blowers and cooling fans in automotive applications.

The A6265, A6266 and A6267 from Allegro MicroSystems Europe are a new family of automotive-grade, high-current LED driver ICs with extensive diagnostics and protection features. The new devices, which are fully qualified to the AEC-Q100 Grade 0 Automotive Specification, are DC-DC converter controllers, with the A6265/A6267 configurable as either boost or buck-boost converters and the A6266 as a boost converter only.

The new A3944 from Allegro MicroSystems Europe is a low-side MOSFET pre-driver IC targeted at the automotive market. The new device is a programmable 6-channel low-side MOSFET control IC, with a 50 V rating on drain feedback inputs which makes it suitable for use in automotive diesel applications.

The Allegro ACS711 provides economical and precise solutions for AC or DC current sensing in

The ATS685LSH is an optimized Hall-effect sensing integrated circuit and rare-earth pellet combination that provides a user-friendly solution for true zero-speed digital gear-tooth sensing in two-wire applications. The sensor IC consists of a single-shot molded plastic package that includes a samarium cobalt pellet, a pole piece, and a Hall Effect IC that has been optimized to the magnetic circuit. This small package can be easily assembled and u...