Sensoren - Drehwinkel: Unterschied zwischen den Versionen

Version vom 21. Mai 2010, 10:22 Uhr

Drehwinkel Sensoren

8Bit - AS5030

Features

• 360° contactless angular position encoding
• 2 digital 8-bit absolute : serial interface and pulse width modulated (PWM) output
• User programmable zero position
• High speed: up to 30,000rpm
• 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

Anwendung

• Contactless rotary position sensing
• Rotary switches (human machine interface)
• AC/DC motor position control
• Robotics
• Encoder for battery operated equipment

10Bit AS5040

Features

• Contactless high resolution encoding over a full turn of 360°
• Flexible system due to user programmable incremental output modes:

         * 10-, 9-, 8- or 7-bit user programmable resolution
         * Quadrature A/B and index output signal
         * Single channel output and direction indication
         * U-V-W commutation signals for brushless DC motors

• Absolute angular position mode:

         * 10-bit resolution providing 1024 absolute positions per 360° (step size ~ 0.35°)

• Synchronous serial interface (SSI) output for absolute position data
• Pulse width modulated (PWM) output, duty cycle proportional to angle
• User programmable zero and index position
• Failure detection mode for magnet placement monitoring
• Rotational speeds up to 10,000rpm (incremental output)
• Push button functionality detects movement of magnet in Z-axis
• 2 supply voltages: 3.3V or 5.0V
• Wide temperature range: -40°C to 125°C
• SSOP-16 package: 5.3mm x 6.2mm

Benefits

• World’s smallest multiple output rotary encoder
• Tolerant to magnetic source misalignment
• Failure detection feature
• Complete system-on-chip:

         * Flexible system solution provides absolute, incremental and PWM digital outputs simultaneously
         * Minimum number of external components needed

• Serial read-out of multiple AS5040 devices using daisy chain mode feature
• Ideal for applications in harsh environments due to contactless position sensing

Anwendung

industrial applications such as:

• Robotics
• Motion Control
• Brushless DC motor commutation
• Power tools

Automotive applications:

• Steering wheel position sensing
• Transmission box encoder
• Headlight position control
• Power seat position sensing
• Replacement of optical encoders
• Front panel rotary switches and potentiometers

Siehe auch

• Sensoren

Weblinks

• Produkt Homepage AS5030 - austriamicrosystems