Small & Low Power www.ams.com/AS5050A www.ams.com/AS5055A AS5050A – Smallest 10-bit Magnetic Rotary Position Sensor AS5055A – Smallest 12-bit Magnetic Rotary Position Sensor -High resolution: 10-bit / 12-bit -Low power consumption – ideal for battery powered devices - Immune to external magnetic stray fields -Small size: 4 x 4mm QFN package We provide innovative analog solutions to the most challenging applications in sensor and sensor interfaces, power management, and wireless. General Description The AS5050A/AS5055A is a single-chip magnetic rotary position sensor IC with low voltage and low power features. It includes 4 integrated Hall elements, a high resolution ADC and a smart power management controller. The angle position, alarm bits and magnetic field information are transmitted over a standard 3-wire or 4-wire SPI interface to the host processor. The AS5050A/AS5055A is available in a small QFN 16-pin 4x4x0.85mm package and specified over an operating temperature of -40 to +85°C. Applications Features - RC-Servo motor control -Robotics - Rotary knobs - Rotary Position Sensor for battery operated portable devices - 10-bit (AS5050A) / 12-bit (AS5055A) resolution - 3μA current consumption in low power mode - Immune to external magnetic stray fields - Interrupt indication for availability of new data - QFN-16 4x4 package - SPI interface, 3 or 4 wire AS5050A/AS5055A Block Diagram Benefits VDD VDDp WM AS5050A AS5055A SS/ SPI SCK MISO Low Power Management - Precise and reliable absolute angle measurement - Very low power consumption - High reliability sensing in harsh environments - Synchronization between microcontroller and sensor - Ideal for small and compact designs - Easy to use with SPI interface MOSI EN_INT/ Analog Front-End Hall Sensors ADC ATAN (CORDIC) INT/ AGC VSS Test www.ams.com [email protected] © 03/2014 by ams Subject to change without notice Headquarters ams AG Tobelbader Strasse 30, 8141 Unterpremstaetten, Austria Phone +43 3136 500-0 · Fax +43 3136 525-01 Sales Offices Worldwide [email protected] [email protected] [email protected]