Allegro MicroSystems, Inc.

LED Driver IC targets automotive interior lighting.
Construction Equipment and Supplies

LED Driver IC targets automotive interior lighting.

Providing up to 100 mA from each of 4 outputs, Model A6263 drives arrays of high brightness LEDs with constant current for safe operation. Outputs can be connected in parallel or left unused as required, andÂ- regulated LED current from each output is set by single reference resistor. Housed in 8-pin SOICN package with exposed thermal pad for thermal dissipation, programmable current...

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LED Driver IC serves automotive interior lighting applications.
Construction Equipment and Supplies

LED Driver IC serves automotive interior lighting applications.

Supplied in 8-pin SOIC package with exposed pad, A6269Â- automotive-qualified, linear, programmable current regulator can drive 2 LED strings at up to 200 mA each. Regulated LED current from each of 2 outputs is set by single reference resistor, outputs can be connected in parallel or left unused as required, and current matching in each string is achieved without ballast resistor....

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Current Sensor IC comes in micro sized package.
Electrical Equipment & Systems

Current Sensor IC comes in micro sized package.

Housed in 3 x 3 x 0.75 mm QFN package with internal resistance of 0.6 mΩ, Model ACS711 is designed for high and low side sensing applications up to 100 Vdc, with over 30 A continuous current. Factory programming provides for optimized accuracy in IC, with integrated fast response fault output. Model ACS711 is suited for motor and pump control in white goods, short circuit and overpower detection...

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Electrical Equipment & Systems

Direction Detection Sensor IC uses 2 Hall-effect switches.

Providing digital output signals that indicate speed and direction of target rotation, Model A1233 is suited for ring magnet based, speed and direction systems located in harsh automotive and industrial environments. Dual-channel monolithic IC contains 2 independent Hall-effect bipolar switches that are located 1.63 mm apart and are photolithographically aligned to better than 1 Â-µm....

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Electrical Equipment & Systems

Programmable Linear IC delivers output redundancy.

Targeting automotive market, Model A1359 provides dual tracking output, where PWM output tracks analog output to within ±3% mismatch. Accuracy is optimized via programmability on analog output pin. Device features One-Time Programming, using non-volatile memory, to optimize quiescent output voltage and Duty Cycle for application or circuit. Available in TSSOP-08 surface mount package, IC is...

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Constant-Current LED Driver is AEC-Q100 qualified.
Construction Equipment and Supplies

Constant-Current LED Driver is AEC-Q100 qualified.

Integrating high-side, N-channel MOSFET switch, Model A6213 provides constant-current output up to 3 A to drive high-power LEDs. Output voltage automatically adjusts to optimize constant-current supply to variety of LED array configurations including multiple LEDs in series. LED dimming is accomplished via direct logic input PWM signal. Housed in 8-pin narrow SOIC package, IC is suited for...

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Hall-Effect Switch features advanced programming algorithm.
Electrical Equipment & Systems

Hall-Effect Switch features advanced programming algorithm.

Utilizing chopper-stabilization technique to eliminate offset inherent in single-element devices, Model A1128 is suitable for high-temperature applications in automotive/industrial markets.Â- Wide range of programmability is available on magnetic operate point, BOP, while hysteresis remains fixed. Offered in 3-lead ultra-mini SIP for through-hole mounting, unipolar device also uses...

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Controls & Controllers

Inverter Power Module drives 3-phase motors.

Used for controlling 3-phase motor power inverter systems and variable speed control systems, SCM1240M series accepts 85–253 Vac and provides 10–30 A (continuous) output. IC, supplied in DIP, withstands up to 600 V (IGBT breakdown voltage) and consists of all necessary power elements – 6 IGBTs, 3 pre-drive ICs, and 6 freewheeling diodes – needed to configure main circuit of inverter as...

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Controls & Controllers

Allegro MicroSystems, Inc. Introduces New Offline PWM Switching Regulator IC Family

New Regulator ICs Designed to Meet Standby Power Requirements Worcester, MA - Allegro MicroSystems, Inc. introduces the STR2W100 and STR3A100 power IC series designed for switching power supplies. These new devices incorporate a power MOSFET and a current mode PWM controller IC in one package. Each package includes a startup circuit and a standby function in the controller, which achieves low...

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Controls & Controllers

Quadruple Output Regulator suits car infotainment applications.

Model A8600 power management IC includes 3 asynchronous regulators, one of which is always on and operates down to at least 3.6 VIN whileÂ- drawing less than 50 µA from 12 VIN. Available in 48-pin LQFP, product has EN/SYNC input for on/off or to increase/decrease base PWM frequency; 4 adjustable soft-start times; and 4 external compensation pins. Two high-side switches block reverse...

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