DESCRIPTION

The MAQ430 detects the absolute angular

position of a permanent magnet, typically a

diametrically magnetized cylinder on a rotating

shaft. Fast data acquisition and processing

provide accurate angle measurement at speeds

from 0 to 60,000 rpm.

The MAQ430 supports a wide range of

magnetic field strengths and spatial

configurations. Both end-of-shaft and off-axis

(side-shaft mounting) configurations are

supported.

The MAQ430 features magnetic field strength

detection with programmable thresholds to

allow sensing of the magnet position relative to

the sensor for creation of functions such as

sensing of axial movements or for diagnostics.

On-chip non-volatile memory provides storage

for configuration parameters, including the

reference zero angle position, ABZ encoder

settings, UVW pole pair emulation settings, and

magnetic field detection thresholds.

FEATURES

 12-Bit Resolution Absolute Angle Encoder

 Contactless Sensing for Long Life

 AEC-Q100 qualified

 Simple and robust design

 SPI Serial Interface with parity bit for Angle

Readout and Chip Configuration

 Programmable Magnetic Field Strength

Detection for Diagnostic Checks

 Incremental 10-Bit ABZ Quadrature

Encoder Interface with Programmable

Pulses Per Turn from 1 to 256

 UVW Interface with 1 to 8 Pole Pair

Emulation

 3.3V, 12mA Supply

 -40°C to +150°C Operating Temperature

 Available in a QFN-16 (3mmx3mm)

Package with Wettable flanks

APPLICATIONS

 Brushless DC Motor Servo Drives

 Motor Commutation

 Motor Speed and Position Control

 Automotive