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AS5030ATST 数据表(PDF) 1 Page - ams AG |
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AS5030ATST 数据表(HTML) 1 Page - ams AG |
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1 / 33 page ![]() Rev. 1.8 www.austriamicrosystems.com Page 1 of 33 1 General Description The AS5030 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. To measure the angle, only a simple two-pole magnet, rotating over the center of the chip is required. 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. In addition to the angle information, the strength of the magnetic field is also available as a 6-bit code. Data transmission can be configured for 1-wire (PWM), 2- wires (CLK, DIO) or 3-wires (CLK, DIO, CS). A software programmable (OTP) zero position simplifies assembly as the zero position of the magnet does not need to be mechanically aligned. A Power Down Mode together with fast startup- and measurement cycles allows for very low average power consumption and makes the AS5030 also suitable for battery operated equipment. Figure 1: Typical arrangement of AS5030 and magnet 1.1 Benefits • Complete system-on-chip, no calibration required • Flexible system solution provides absolute serial and PWM output • Ideal for applications in harsh environments due to magnetic sensing principle • High reliability due to non-contact sensing • Robust system, tolerant to horizontal misalignment, airgap variations, temperature variations and external magnetic fields 1.2 Key Features • 360°contactless angular position encoding • Two digital 8-bit absolute outputs: - Serial interface and - Pulse width modulated (PWM) output • User programmable zero position • High speed: up to 30,000 rpm • Direct measurement of magnetic field strength allows exact determination of vertical magnet distance • Serial read-out of multiple interconnected AS5030 devices using daisy chain mode • Wide magnetic field input range: 20 ~ 80mT • Wide temperature range: - 40°C to + 125°C • Small Pb-free package: TSSOP 16 1.3 Applications • Contactless rotary position sensing • Rotary switches (human machine interface) • AC/DC motor position control • Robotics • Encoder for battery operated equipment 1.4 Block Diagram Figure 2: AS5030 block diagram DATA SHEET tracking ADC & Angle decoder Hall Array & Frontend Amplifier power management OTP Absolute Serial Interface (SSI) DIO PWM CLK PROG CS PWM Decoder Cos Sin AGC DX C2 Mag Zero Pos. AGC Angle MagRngn Sin / Sinn / Cos / Cosn AS5030 8 BIT PROGRAMMABLE HIGH SPEED MAGNETIC ROTARY ENCODER |
类似零件编号 - AS5030ATST |
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类似说明 - AS5030ATST |
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