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AS5047U

ams
Part Number AS5047U
Manufacturer ams
Description 14-Bit On-Axis Magnetic Rotary Position Sensor
Published Aug 31, 2020
Detailed Description AS5047U 14-Bit On-Axis Magnetic Rotary Position Sensor with Up to 14-Bit Binary Incremental Pulse Count General Descrip...
Datasheet PDF File AS5047U PDF File

AS5047U
AS5047U

Overview
AS5047U 14-Bit On-Axis Magnetic Rotary Position Sensor with Up to 14-Bit Binary Incremental Pulse Count General Description The AS5047U is a high-resolution rotary position sensor for fast absolute angle measurement over a full 360-degree range.
This new position sensor is equipped with a revolutionary integrated dynamic angle error compensation (DAEC™) with almost 0 latency at higher rotational speed.
For increased signal quality at lower rotational speed, the dynamic filter system (DFS™) reduces transition noise.
The robust design of the device suppresses the influence of any homogenous external stray magnetic field.
A standard 4-wire SPI serial interface with a CRC protection allows a host microcontroller to read 14-bit absolute angle position data from the AS5047U and to program non-volatile settings without a dedicated programmer.
Incremental movements are indicated on a set of ABI signals with a maximum resolution of 16989 steps / 4096 pulses per revolution.
Brushless DC (BLDC) motors are controlled through a standard UVW commutation interface with a programmable number of pole pairs from 1 to 7.
The absolute angle position is also provided as PWM-encoded output signal.
AS5047U are single die sensors and are available in a TSSOP14 Package.
Ordering Information and Content Guide appear at end of datasheet.
Figure 1: Added Value of Using the AS5047U Key Benefits & Features The benefits and features of this device are listed below: Benefits • Easy to use – saving costs on DSP • Higher durability and lower system costs (no shield needed) • Versatile choice of the interface Features • DAEC ™ Dynamic angle error compensation • DFS ™ Dynamic filter system • Magnetic stray field immunity • Independent output interfaces: SPI, ABI, UVW, PWM ams Datasheet [v1-01] 2020-Dec-16 Page 1 Document Feedback Figure 2: AS5047U Block Diagram AS5047U − General Description Applications The AS5047U supports BLDC motor commutation for the most challenging industrial applicati...


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