iC-MH
12 BIT ANGULAR HALL ENCODER
Rev B1, Page 1/23
FEATURES
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Real-time system for rotation speed up to 120,000 rpm
Integrated Hall sensors with automatic offset compensation
4x sensor arrangement for fault-tolerant adjustment
Amplitude control for optimum operating point
Interpolator with 4096 angular increments/resolution better
than 0.1°
Programmable resolution, hysteresis, edge spacing, zero
position and rotating direction
Incremental output of sensor position up to 8 MHz edge rate
RS422-compatible AB encoder signals with index Z
UVW commutation signals for EC motor applications
Serial interface for data output and configuration
SSI-compatible output mode
Integrated ZAP diodes for module setup and OEM data,
programmable via serial interface
Signal error (e.g. magnet loss) can also be read out via serial
interface
Extended temperature range from -40 to +125 °C
APPLICATIONS
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Digital angular sensor
technology, 0–360°
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Incremental angular encoder
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Absolute angular encoder
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Brushless motors
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Motor feedback
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Rotational speed control
PACKAGES
QFN28 5 x 5 mm²
BLOCK DIAGRAM
+ 5V
VPA
+ 5V
VPD
A
B
B
PTE
B
B
B
CONVERSION
LOGIC
Z
TEST
HALL SENSOR
SINE-TO-DIG
RS422
U
V
SIN + COS
2
2
NERR
AMPLITUDE
CORRECTION
PHASE
SHIFT
W
INCR INTERFACE
ERROR MONITOR
AMPL CONTROL
SINE-TO-COM
MA
SLO
SLI
SERIAL
INTERFACE
0x00
0x0F
0x10
0x1F
0x77
0x7F
iC-MH
16 Byte ZROM
ZAP CONTROL
VZAP
RAM
VNA
BIAS/VREF
VND
ZAPROM
C301107-2
Copyright © 2008 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
