Allegro MicroSystems A49 Hoja de datos

No.	parte #	Fabricante	Descripción
1	A4960	Allegro MicroSystems	Sensorless BLDC Controller and Benefits • 3-phase BLDC sensorless start-up and commutation • Gate drive for N-channel MOSFETs • Integrated PWM current limit • 7 to 50 V supply voltage operating range • Compatible with 3.3 V and 5 V logic • Cross-conduction protection with adju
2	A4983	Allegro MicroSystems	DMOS Microstepping Driver AND BENEFITS ▪ Low RDS(ON) outputs ▪ Automatic current decay mode detection/selection ▪ Mixed and Slow current decay modes ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO ▪ Crossover-current protection ▪ 3.3 and 5 V compatible l
3	A4970	Allegro MicroSystems	Dual Full-Bridge PWM Motor Driver AND BENEFITS ▪ 750 mA continuous output current ▪ 45 V output sustaining voltage ▪ Internal clamp diodes ▪ Internal PWM current control ▪ Low output saturation voltage ▪ Internal thermal shutdown circuitry ▪ Pin compatible with UDx2916 ▪ DMOS outputs
4	A4975	Allegro MicroSystems	Full-Bridge PWM Microstepping Motor Driver AND BENEFITS ▪ ±1.5 A continuous output current ▪ 50 V output voltage rating ▪ Internal PWM current control ▪ 3-bit nonlinear DAC ▪ Fast, mixed fast/slow, and slow current decay modes ▪ Internal thermal shutdown circuitry ▪ Crossover-current and UVLO
5	A4950	Allegro MicroSystems	Full-Bridge DMOS PWM Motor Driver AND BENEFITS • Low RDS(on) outputs • Overcurrent protection (OCP) ▫ Motor short protection ▫ Motor lead short to ground protection ▫ Motor lead short to battery protection • Low Power Standby mode • Adjustable PWM current limit • Synchronous rectific
6	A4915	Allegro MicroSystems	3-Phase MOSFET Driver AND BENEFITS • 5 to 50 V supply voltage • Latched TSD with fault output • Drives six N-channel high current MOSFETs • Internally controlled synchronous rectification • Speed voltage input enables internal PWM duty cycle control of full bridge • Cente
7	A4919	Allegro MicroSystems	Three-Phase MOSFET Driver AND BENEFITS • High-current 3-phase gate drive for N-channel MOSFETs • 5.5 to 50 V supply voltage range • Regulated logic supply voltage output option • Low-current Sleep mode option • Motor phase short-to-supply and short-to-ground detection • Cross
8	A4990	Allegro MicroSystems	Automotive Dual Full-Bridge Driver AND BENEFITS • Two full-bridge power outputs • Typical application up to ±800 mA, 28 V • Adjustable peak current limit control • Minimum overcurrent shutdown at 1.4 A • Continuous operation at high ambient temperature • Synchronous rectification for
9	A4973	Allegro MicroSystems	Full-Bridge PWM Motor Driver and Benefits ▪ ±1.5 A continuous output current ▪ 50 V output voltage rating ▪ 3 V to 5.5 V logic supply voltage ▪ Internal PWM current control ▪ Fast and slow current-decay modes ▪ Sleep (low current consumption) mode ▪ Internal transient-suppressio
10	A4986	Allegro MicroSystems	DMOS Dual Full-Bridge PWM Motor Driver AND BENEFITS ▪ Low RDS(ON) outputs ▪ Internal mixed current decay mode ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO ▪ Crossover-current protection ▪ 3.3 and 5 V compatible logic supply ▪ Thin profile QFN and TSSOP packages ▪
11	A4931	Allegro MicroSystems	3-Phase Brushless DC Motor Pre-Driver and Benefits ▪ Drives 6 N-channel MOSFETs ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO and thermal shutdown circuitry ▪ Hall element inputs ▪ PWM current limiting ▪ Dead time protection ▪ FG outputs ▪ Standby mode ▪ Lock dete