AMS AS5047D-ATST

AS5047D is a high-resolution rotary position sensor for fast absolute angle measurement over a full 360° range. This new position sensor features revolutionary integrated Dynamic Angle Error Compensation (DAEC™) with near-zero latency, and offers a robust design that suppresses the effects of any uniform external stray magnetic fields. A standard 4-wire SPI serial interface allows a host microcontroller to read 14-bit absolute angle position data from the AS5047D and program non-volatile settings without a dedicated programmer. Incremental motion is indicated via a set of ABI signals, with a maximum resolution of 2000 steps/500 pulses per revolution in decimal mode and 2048 steps/512 pulses per revolution in binary mode. The resolution of the ABI signals is programmable, and can be reduced down to 32 steps or 8 pulses per revolution. Brushless DC (BLDC) motors are controlled via a standard UVW commutation interface, with the number of pole pairs programmable from 1 to 7. The absolute angle position is also available as a PWM-encoded output signal. The AS5047D is offered as a single-chip solution in a compact 14-pin TSSOP package.

• High-resolution rotary position sensor with 360° absolute angle measurement
• Integrated Dynamic Angle Error Compensation (DAEC™) with near-zero latency
• Immunity to homogeneous external stray magnetic fields
• 4-wire SPI interface for reading 14-bit absolute angular position data and programming non-volatile settings
• Programmable ABI signal resolution
• BLDC motor commutation via UVW interface with programmable pole pairs
• PWM-encoded output signal
• Compact 14-pin TSSOP package

Factory automation, building automation, robotics, PMSM and stepper motor closed-loop control, optical encoder replacement