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AS5247 Datasheet(PDF) 1 Page - ams AG |
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AS5247 Datasheet(HTML) 1 Page - ams AG |
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1 / 37 page  ams Datasheet: 2014-Jun-20 [v1-02] AS5247 – 1 AS5247 14-bit Dual-die On-Axis Magnetic Rotary Position Sensor with 11-bit Binary Incremental Pulse Count The AS5247 is a high-resolution redundant 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 AS5247 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 AS5247 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 AS5247 is available as a dual die in a compact MLF-40 7x7 package. Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of AS5247, 14-bit Dual-die On-Axis Magnetic Rotary Position Sensor with 11-bit Binary Incremental Pulse Count are listed below: Figure 1: Added Value of Using the AS5247 Benefits Features Easy to use – saving costs on DSP DAEC™ Dynamic angle error compensation Good resolution for motor & position control 14-bit core resolution General Description |
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