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Summary of Contents for austriamicrosystems AS5130
- Page 1 AG is now ams AG The technical content of this austriamicrosystems document is still valid. Contact information: Headquarters: ams AG Tobelbaderstrasse 30 8141 Unterpremstaetten, Austria Tel: +43 (0) 3136 500 0 e-Mail: ams_sales@ams.com Please visit our website at www.ams.com...
- Page 2 1 General Description The AS5130 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360°. It is a system-on-chip, combining integrated Hall elements, analog front end and digital signal processing in a single device.
- Page 3 Figure 2: AS5130 demoboard, BOTTOM side 2 AS5130 Software Getting Started This software allows you to become familiar with the principle of the AS5130 sensor. In order to get started, you need: • The AS5130 Demo Software installer, downloadable on the Austriamicrosystems website •...
- Page 4 (see Figure 4). For a correct reading of the magnet angle, the airgap between the AS5130 top side and the magnet should be chosen that the 0<AGC<63. If the AGC value reaches 63, the ALARM LED will blink to indicate that the magnet is too far away from the sensor, and the measurement is not accurate or not valid.
- Page 5 Click on “Get absolute position”. The actual angle seen on the sensor side is displayed in decimal and binary (Z7..0 bits). Click on “Write zero position”. The bits Z7..0 are written to the Zero Position register of the AS5130. Now the actual mechanical angle is the 0° angle on the AS5130 side.
- Page 6 DC jack J6 and regulated through a 5V voltage regulator (I1, ZR78L05). The programming high voltage (8.5V) for the external AS5130 is generated directly from the 5V source through a DC/DC step-up converter U3. This source is used for the LCD power supply as well, for the contrast control through the P1 potentiometer.
- Page 7 The SSI serial interface (DIO, CS, DCLK) is controlled by the microcontroller U5. The LED D7 is directly connected to the AS5130 on the MagRngn pin on one side, and on U5 for the other side to make it blinking if MagRngn = 5V (magnet too far away).
- Page 8 No obligation or liability to recipient or any third party shall arise or flow out of austriamicrosystems AG rendering of technical or other services.
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