Allegro A14 Hoja de datos

No.	parte #	Fabricante	Descripción
1	A1448	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
2	A1425	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
3	A1441	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
4	A1468	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
5	A1454	Allegro	3V Hall Effect Linear Sensor AND BENEFITS • 1 mm thin (TSSOP-08) package • 2 factory programmed sensitivity options: 2 LSB/G (for fields up to ±1000 G) and 4 LSB/G (±500 G) • Temperature-stable sensitivity for NdFeB and ferrite magnets • I2C interface for easy integration wi
6	A1421	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
7	A1422	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
8	A1423	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
9	A1442	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
10	A1469	Allegro	Three-Wire True Zero-Speed Differential Peak-Detecting Sensor IC AND BENEFITS • Unique design for robustness against high-power EMC transients • Peak detection based switching algorithm for large operating air gaps • Minimum differential field 20 Gpk-pk • Running mode calibration for continuous optimization •