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Allegro MicroSystems |
Low-Voltage Full-Bridge Brushless DC Motor Driver and Benefits ▪ Low-voltage operation, 1.8 to 4.2 V ▪ Multifunction CONTROL pin input: ▫ Direct input PWM for speed control ▫ Active braking for fast stop cycle ▫ Sleep function to reduce average power consumption ▪ Reverse voltage protection on VDD a |
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Allegro MicroSystems |
High Accuracy Analog Speed Sensor AND BENEFITS ▪ Used in sensing motion of ring magnet or ferrous targets ▪ Integrated filter capacitor ▪ Wide operating temperature range ▪ Operation with magnetic input signal frequency from 20 Hz to 20 kHz ▪ Resistant to EMI ▪ Large effective air ga |
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Allegro MicroSystems |
Low-Voltage Full-Bridge Brushless DC Motor Driver and Benefits ▪ Single-chip solution for high reliability ▪ Chopper stabilization technique for precise signal response over operating range ▪ 2.0 to 4.0 V operation ▪ Sleep mode pin allowing external logic signal enable/ disable to reduce average pow |
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Allegro MicroSystems |
Three-Wire True Zero-Speed Differential Peak-Detecting Sensor AND BENEFITS • 4.0 to 26.5 V supply operating range • Minimum differential field 20 Gpk-pk • Running mode calibration for continuous optimization • Single chip IC for high reliability • Precise duty cycle signal throughout operating temperature |
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Allegro MicroSystems |
High Precision Hall Effect AC-Coupled Differential Sensor and Benefits • Integrated tracking capacitor • Used for sensing motion of ring magnet or ferrous targets • Wide operating temperature range • Operation with magnetic input signal frequency from 20 Hz to 30 kHz • EMI/ESD-resistant • Large effective ai |
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Allegro MicroSystems |
High Precision Hall Effect AC-Coupled Differential Sensor and Benefits • Integrated tracking capacitor • Used for sensing motion of ring magnet or ferrous targets • Wide operating temperature range • Operation with magnetic input signal frequency from 20 Hz to 30 kHz • EMI/ESD-resistant • Large effective ai |
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Allegro MicroSystems |
High Precision Hall Effect AC-Coupled Differential Sensor and Benefits • Integrated tracking capacitor • Used for sensing motion of ring magnet or ferrous targets • Wide operating temperature range • Operation with magnetic input signal frequency from 20 Hz to 30 kHz • EMI/ESD-resistant • Large effective ai |
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Allegro Microsystems |
Low Voltage Full Bridge Brushless DC Motor Driver and Benefits ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Low voltage operation ¯¯ ¯¯ ¯¯ ¯¯ Reverse voltage protection on VDD and S L E E P pins Output short circuit and thermal shutdown protections Soft switching algorithm to reduce audible switching noise and EMI interfe |
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