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Compact 10-Bit Magnetic Rotary Position Sensor AMS AS5050A-BQFT for Precise Angle Measurement

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Compact 10-Bit Magnetic Rotary Position Sensor AMS AS5050A-BQFT for Precise Angle Measurement

Description : QFN-16(4x4) Angle, Linear Position Measuring RoHS

Mfr. Part # : AS5050A-BQFT

Model Number : AS5050A-BQFT

Package : QFN-16(4x4)

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AS5050A Low Power 10-Bit Magnetic Position Sensor

The AS5050A is a single-chip, on-axis magnetic rotary position sensor designed for low voltage and low power applications. It integrates a Hall element array, a high-resolution ADC, and a smart power management controller. The sensor transmits angle position, alarm bits, and magnetic field information via a 3-wire or 4-wire SPI interface. Key benefits include precise and reliable absolute angle measurement, very low power consumption (3A in low power mode), immunity to external magnetic stray fields, and a compact QFN 16-pin 4x4x0.85 mm package. It is ideal for small and compact designs in applications such as servo motor control, battery-operated systems, and robotics.

Product Attributes

Brand: ams OSRAM
Package: QFN 16-pin 4x4x0.85 mm

Technical Specifications

Parameter	Conditions	Min	Typ	Max	Units	Description
DC supply voltage (VDD)		3.0		3.6	V	Analog and digital power supply
Peripheral supply voltage (VDDp)		1.8		VDD	V	Supply Peripheral power supply
Ambient operating temperature		-40		85	C
Current consumption (Normal operating mode)			8.5		mA
Current consumption (Low power mode)	with activated POR		33		A
Current consumption (Low power mode)	with deactivated POR		3		A
Readout rate (treadout)	Time between READ ANGLE command and INTERRUPT			500	s
Power up time (tPwrUp)	Minimum time after power up before the sensor is operational		580		s
Lateral displacement range (Rd)	Misalignment of the center of the magnet to the center of the die	0.5			mm
Magnetic input field (BZ)		30		90	mT
Noise (rms) (N00)	Within Bz00 magnetic input field range and Gain = 00		0.128		degr
Noise (rms) (N01)	Within Bz01 magnetic input field range and Gain = 01		0.149		degr
Noise (rms) (N10)	Within Bz10 magnetic input field range and Gain = 10		0.192		degr
Noise (rms) (N11)	Within Bz11 magnetic input field range and Gain = 11		0.256		degr
Integral Non Linearity (INL)	Using Bomatec 6x2.5 mm NdFeB magnet with a maximum x/y-displacement radius of 250 m from package center	-1.41		1.41	deg
High level input voltage (VIH)		0.7 * VDDp			V
Low level input voltage (VIL)	VDDp > 2.7V	0.3 * VDDp			V
Low level input voltage (VIL)	VDDp < 2.7V	0.25 * VDDp			V
Input leakage current				1	A
High level output voltage (VOH)			VDDp - 0.5		V
Low level output voltage (VOL)			VSS + 0.4		V
Capacitive load (CL)				35	pF

2510240944_AMS-AS5050A-BQFT_C24742924.pdf

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