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AS5130ASST Arkusz danych(PDF) 1 Page - ams AG |
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AS5130ASST Arkusz danych(HTML) 1 Page - ams AG |
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1 / 40 page  AS5130 8 Bit Programmable Magnetic Rotary Encoder with Motion Detection & Multiturn Data Sh eet www.austriamicrosystems.com Revision 1.09 1 - 40 1 General Description The AS5130 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360º. It is a system-on-chip, combining integrated Hall elements, analog front end and digital signal processing in a single device. The angle can be measured using only a simple two-pole magnet rotating over the center of the chip. The magnet may be placed above or below the IC. The absolute angle measurement provides instant indication of the magnet’s angular position with a resolution of 8 bit = 256 positions per revolution. This digital data is available as a serial bit stream and as a PWM signal. The AS5130 can be operated in pulsed mode (Vsupply=off), which reduces the average power consumption significantly. During Vsupply=off, the measured angle can be stored using an internal storage register supplied by a low power voltage line. This mode achieves very low power consumption during polling of the rotary position of the magnet. If the position of the magnet changes, then the motion detection feature wakes up an external system. The device is capable of counting the amount of magnet revolutions. The multi turn counter value is stored in a register and can be read in addition to the angle information. Furthermore, any arbitrary position can be set as zero-position. The system is tolerant to misalignment, air gap variations, temperature variations and external magnetic fields and high reliability due to non-contact sensing. Figure 1. Block Diagram 2 Key Features 360º contactless angular position encoding Two digital 8-bit absolute outputs: - Serial interface - Pulse width modulated (PWM) output User programmable zero position High speed: up to 30000 rpm Failure detection mode for magnet placement moni- toring and loss of power supply Wide temperature range: - 40ºC to +125ºC Multi Turn counter / Movement detection Small Pb-free package: SSOP-16 (5.3mm x 6.2mm) Automotive qualified to AEC-Q100, grade 1 3 Applications The AS5130 is an ideal solution for Ignition key position sensing, Steering wheel position sensing, Transmission gearbox encoder, Front panel rotary switches and replacement of Potentiometers. Hall Array & Frontend Amplifier tracking ADC & Angle decoder Zero Pos. PWM Decoder Absolute Serial Interface (SSI) AGC OTP power management SINP / SINN / COSP / COSN PWM DIO CS DCLK C1 CAO PROG Sin Cos Mag AGC Angle AS5130 |
Podobny numer części - AS5130ASST |
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Podobny opis - AS5130ASST |
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