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AS5047D

ams
Part Number AS5047D
Manufacturer ams
Description 14-bit On-Axis Magnetic Rotary Position Sensor
Published Jul 9, 2014
Detailed Description AS5047D 14-bit On-Axis Magnetic Rotary Position Sensor with 11-bit Decimal & Binary Incremental Pulse Count General Desc...
Datasheet PDF File AS5047D PDF File

AS5047D
AS5047D

Overview
AS5047D 14-bit On-Axis Magnetic Rotary Position Sensor with 11-bit Decimal & Binary Incremental Pulse Count General Description The AS5047D 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 revolutionary integrated dynamic angle error compensation (DAEC™) with almost 0 latency and offers a robust design that suppresses the influence of any homogenous external stray magnetic field.
A standard 4-wire SPI serial interface allows a host microcontroller to read 14-bit absolute angle position data from the AS5047D 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 2000 steps / 500 pulses per revolution in decimal mode and 2048 steps / 512 pules per revolution in binary mode.
The resolution of the ABI signal is programmable and can be reduced to 32 steps per revolution, or 8 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 The AS5047D is available as a single die in a compact 14-pin TSSOP package.
Ordering Information and Content Guide appear at end of datasheet.
ams Datasheet: 2014-Jun-27 [v1-02] AS5047D – 1 General Description Key Benefits & Features The benefits and features of AS5047D, 14-bit On-Axis Magnetic Rotary Position Sensor with 11-bit Decimal & Binary Incremental Pulse Count are listed below: Figure 1: Added Value of Using the AS5047D Benefits Easy to use – saving costs on DSP Good resolution for motor & position control Simple optical encoder replacement No programmer needed (via SPI command) Versatile choice of the interface Lower system costs (no shielding) Features DAEC™ Dynamic angle error compensation 14-bit core resolution ABI programmable decimal and binar...


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