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AS5047D Scheda tecnica(PDF) 21 Page - ams AG

Il numero della parte AS5047D
Spiegazioni elettronici  14-bit On-Axis Magnetic Rotary Position Sensor with 11-bit Decimal
PDF  37 Pages
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Produttore elettronici  AMSCO [ams AG]
Homepage  http://www.ams.com
Logo AMSCO - ams AG

AS5047D Scheda tecnica(HTML) 21 Page - ams AG

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ams Datasheet: 2014-Jun-27 [v1-02]
AS5047D – 21
Detaile d Desc rip t ion
UVW Commutation Interface
The AS5047D can emulate the UVW signals generated by the
three discrete Hall switches commonly used in BLDC motors.
The UVWPP field in the SETTINGS register selects the number
of pole pairs of the motor (from 1 to 7 pole pairs). The UVW
signals are generated with 14-bit resolution.
During the start-up time, after power on of the chip, the UVW
signals are low.
Figure 33:
UVW Signals
The Figure 32 shows the UVW signal flow if the magnet rotates
in clockwise direction, placing the magnet on the top of the
AS5047D and looking at the magnet from the top (DIR=1). With
the bit DIR, it is possible to invert the rotation direction.
U
V
W
Electrical
Angle
0°
60°
180°
240°
120°
300°
360°



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