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AS5147

Part Number	AS5147
Manufacturer	ams
Description	14-Bit On-Axis Magnetic Rotary Position Sensor
Published	Jul 2, 2014
Detailed Description	General Description AS5147 14-Bit On-Axis Magnetic Rotary Position Sensor with 11-Bit Binary Incremental Pulse Count Th...
Datasheet	AS5147 PDF File

Overview

General Description AS5147 14-Bit On-Axis Magnetic Rotary Position Sensor with 11-Bit Binary Incremental Pulse Count The AS5147 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.
The robust design of the device 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 AS5147 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 2048 steps / 512 pulses per revolution.
The resolution of the ABI signal is programmable to 1024 steps / 256 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 AS5147 supports embedded self-diagnostics including magnetic field strength too high, magnetic field strength too low or lost magnet, and other related diagnostic features.
The product is defined as SEooC (Safety Element out of Context) according ISO26262 including FMEDA, safety manual and third party qualification.
The AS5147 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 [v2-00] 2021-Jul-22 Page 1 Document Feedback AS5147 − General Description Figure 1: Added Value of Using the AS5147 Key Benefits & Features The benefits and features of AS5147, 14-Bit On-Axis Magnetic Rotary Position Sensor with 11-Bit Binary Incremental Pulse Count are listed below: Benefits • Easy to use – saving costs on DSP • Good resolution for motor and position control • Versatile choice of th...

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