iC-MU
OFF-AXIS NONIUS ENCODER
WITH INTEGRATED HALL SENSORS
nar y
limi
pre
Rev B1, Page 1/59
APPLICATIONS
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Rotative absolute encoders
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Linear absolute scales
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Singleturn and multiturn
encoders
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Motor feedback encoders
o
BLDC motor commutation
o
Hollow shaft encoder
o
Multi-axis measurement systems
FEATURES
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o
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Integrated Hall sensors for two-track scanning
Hall sensors optimized for 1.28 mm pole width (master track)
Signal conditioning for offset, amplitude, and phase
Sine/digital real-time conversion with 12-bit resolution (14-bit
filtered)
2-track nonius absolute value calculation up to 18 bits
16, 32, or 64 pole pairs per measurement distance
Enlargement of measurement distance with second iC-MU
Synchronization of external multiturn systems
Configuration from an external EEPROM using a multimaster
I2C interface
Microcontroller-compatible serial interface (SPI, BiSS, SSI)
Incremental quadrature signals with an index (ABZ)
FlexCount
®
: scalable resolution from 1 up to 65536 CPR
Commutation signals for motors from 1 up to 16 pole pairs
(UVW)
PACKAGES
DFN16
5 mm x 5 mm
BLOCK DIAGRAM
VPA
PORT A
MASTER TRACK
VPD
PORT B
PA0
B
PB0
PB1
PB2
B
PA1
NONIUS TRACK
12 BIT
PA2
PA3
SER INTERFACE
HALL SENSORS
12 BIT
SINUS/DIGITAL
ANA/DIG OUTPUT
PB3
+
SCL
PGA
CONFIGURATION
iC-MU
MTC
128 Byte RAM
AMPLITUDE CONTROL
SYNCHRONISATION
CLOCK
SDA
I2C EEPROM
INTERFACE
INTERFACE HANDLER
BIAS
REFERENCE
ERROR MANAGEMENT
ENCODER PROCESSOR
MULTITURN
INTERFACE
MTD
VNA
VND
Copyright © 2013 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
