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AS5132

Part Number	AS5132
Manufacturer	austriamicrosystems
Description	360 Step (8.5 bit) Programmable High Speed Magnetic Rotary Encoder
Published	Jun 14, 2012
Detailed Description	Datasheet AS5132 3 6 0 S t e p ( 8 . 5 b i t ) P r o g r a m m a b l e H ig h S p e e d M a g n e t i c R o t a r y E n ...
Datasheet	AS5132 PDF File

Overview

Datasheet AS5132 3 6 0 S t e p ( 8 .
5 b i t ) P r o g r a m m a b l e H ig h S p e e d M a g n e t i c R o t a r y E n c o d e r 1 General Description The AS5132 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360 degrees.
It is a systemon-chip, combining integrated Hall elements, analog frontend 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.
5 bit = 360 positions per revolution.
This digital data is available as serial output over the interface and as a pulse width modulated (PWM) signal.
An additional U,V,W output can be used for a block commutation for a brushless DC motor.
An incremental signal is available as an option.
In addition to the angle information, the strength of the magnetic field is also available as a 5-bit code.
A software programmable (OTP) zero position simplifies assembly as the zero position.
The magnet does not need to be mechanically aligned.
Two digital absolute outputs (8.
5 bit): - Serial interface - PWM output Incremental output with adjustable number of pulses BLDC Output UVW, selectable for 1,2,3,4,5,6 pole pairs Supports external PWM clock mode Static and dynamic pre-commutation feature User programmable zero position and sensitivity High speed: up to 72,900 rpm Direct measurement of magnetic field strength allows exact determination of vertical magnet distance Incremental Outputs ABI Quadrature: 90ppr, step direction: 180ppr, fixed pulse width 360ppr 9-bit multi turn counter Wide magnetic field input range: 20 – 80 mT (typical) Wide temperature range: -40ºC to +150ºC Thin Small Pb-free package: SSOP 20 2 Key Features 360º contactless angular position sensing www.
DataSheet.
co.
kr 3 Applications The AS5132 is suitable for contactless rota...

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