Allegro MicroSystems, Inc.

Current Sensor IC provides high voltage isolation.
Electrical Equipment & Systems

Current Sensor IC provides high voltage isolation.

Offered in surface mount package, 120 kHz Model ACS710 consists of precision linear Hall sensor integrated circuit with copper conduction path located near surface of silicon die. Applied current flows through copper conduction path, and analog output voltage from Hall sensor IC linearly tracks magnetic field generated by applied current. For low power loss, internal resistance of copper path...

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Sensor IC detects speed and direction of ring magnets.
Electrical Equipment & Systems

Sensor IC detects speed and direction of ring magnets.

Suited for operation over extended temperatures to 150°C, A1222 includes on single silicon chip: voltage regulator, Hall-voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and short-circuit protected open-collector output that can sink up to 25 mA. On-board regulator allows for operation with supply voltages of 3-24 V. Dynamic offset cancellation reduces...

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Dual Output Regulator operates at frequencies up to 2 MHz.
Controls & Controllers

Dual Output Regulator operates at frequencies up to 2 MHz.

Integrating 2% constant on-time buck regulator and 2% linear regulator, A4402 suits microcontroller or DSP-based applications. Unit includes adjustable soft-start timer, watchdog timer to monitor state of microcontroller/DSP, and power-on reset function with adjustable delay as signal to reset microcontroller/DSP. Available in 16-pin TSSOP package, with exposed pad for enhanced thermal...

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DC Motor Driver IC targets automotive markets.
Controls & Controllers

DC Motor Driver IC targets automotive markets.

Suited for DC brush motor applications, 6 A Model SPF7302 features externally adjustable delay timer to halt OCL for proper motor startup. Open load detections are present at start-up to ensure steady operation. Housed in thermally enhanced 16-pin HSOP power package with exposed thermal pad on bottom, H-bridge driver includes overvoltage protection, overcurrent protection with latch, undervoltage...

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DC Brush Motor Driver is rated at operating level of 4 A.
Controls & Controllers

DC Brush Motor Driver is rated at operating level of 4 A.

Available in ZIP type 18-pin fully-molded package, STA6940M, 8 A H-bridge DC brush motor driver IC has dual interface to control H-bridge output and allow communication between integrated circuit and controller circuit. Designed for office automation and industrial markets, unit provides internal fixed off time and PWM control of output current. CMOS logic section provides 4 modes of operation:...

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Geartooth Sensor incorporates dual element Hall IC.
Sensors, Monitors & Transducers

Geartooth Sensor incorporates dual element Hall IC.

Designed for ferrous target applications, true zero-speed, 3 wire ATS667LSG consists of Hall-Effect IC and samarium cobalt magnet configuration in single overmolded module. IC contains compensating circuit designed to eliminate detrimental effects of magnet and system offsets, and device package is lead free, with 100% matte tin lead frame plating. Device is intended for digital gear-tooth...

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Electrical Equipment & Systems

Integrated Circuit detects ferrous targets.

Incorporating dual-element, Hall-effect sensor and signal processing that switches in response to differential magnetic signals created by ferrous target, ATS682LSH provides true zero-speed, digital gear-tooth sensing in two-wire applications. Running-mode calibration allows immunity to environmental effects such as micro-oscillations of sensed target at start-up or sudden air gap changes....

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Hall-Effect Sensor detects numerous targets.
Sensors, Monitors & Transducers

Hall-Effect Sensor detects numerous targets.

Capable of switching in response to changing magnetic fields, ATS617LSG uses analog peak-detecting algorithm, automatic gain control, and integrated tracking capacitor to provide accurate edge detection corresponding to rotating ferrous target. Capable of sensing variety of target geometries, ATS617LSG is offered in SG over-molded package, which consists of samarium cobalt magnet and a...

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Full-Bridge MOSFET Pre-Driver IC offers fault diagnostics.
Construction Equipment and Supplies

Full-Bridge MOSFET Pre-Driver IC offers fault diagnostics.

Supplied in 24-pin TSSOP power package with exposed thermal pad, A4940 contains flexible input interface, bootstrap monitor circuit, 5.5-50 V operating voltage, and 40 to 150°C temperature range. Charge pump regulator provides full, greater than 10 V, gate drive for battery voltages down to 7 V and will allow operation with reduced gate drive down to 5.5 V. Bootstrap capacitor provides...

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Step-Down Regulator has wide input voltage range of 8-50 V.
Controls & Controllers

Step-Down Regulator has wide input voltage range of 8-50 V.

Suited for wide variety of applications, 2 A fixed off-time, current-mode-controlled buck-switching regulator A4447 operates in both continuous and discontinuous modes. It requires external clamping diode and inductor and filter capacitor, and uses internal blanking circuit to filter out transients, while off time is determined by external resistor. Typical blanking time is 200 nsec, and output...

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