iC-Haus iC-MHL200 12 bit universal magnetic position encoder

Oct 17, 2014
 
The iC-Haus iC-MHL200 is an integrated system solution for linear and angular magnetic encoder applications. Combined with a target like a magnetic tape or pole wheel an universal and rugged linear or angular incremental encoder can be realized.
   
The chip housed in a TSSOP20 package includes a linear Hall sensor array which is adapted to the targets’ magnetic pole pitch of 2 mm. The internal signal amplification control compensates for deviations of the sensor signals due to temperature and working gap variations. Incremental (AB quadrature and Z index, 12 bit) and commutating signals (UVW) are provided at the RS422 compatible line driver outputs.

An external reference signal can be used to gate the internal index Z signal to provide an absolute zero pulse. The linear resolution is configurable up to 4096 steps per each magnetic signal period of 4 mm, which corresponds to an incremental linear displacement of less than 1 micron.
At the fastest incremental output frequency of 8 MHz, linear movements of up to 8 m/s can be tracked with full 12 bit resolution. The UVW commutation signals are available for two- and four pole linear motor configuration.
iC-MHL200 is typically used in industrial, automotive, and medical applications, such as:
   
- Position control and acquisition
- Linear / rotary speed control
- Motor control
- As substitute for optical incremental encoders.
   
A synchronous serial SSI / bidirectional BiSS-C interface provides additional serial data output. Using BiSS-C allows for setting device configuration. These settings can be permanently stored in an OTP-ROM.
iC-MHL200 operates from a supply voltage of +5 V (±10%) within an operating temperature range of -40 to +125 °C.
   
About iC-Haus
    
iC-Haus GmbH is a leading, independent German manufacturer of standard iCs (ASSP) and customized ASiC semiconductor solutions with worldwide representation. The company has been active in the design, production, and sales of application-specific iCs for industrial, automotive, and medical applications for 30 years now.

Written By: Michael Venezia
Web Marketing Specialist
(866) 506-8829

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