IC-PV Datasheet, PDF (1/28 Pages) IC-Haus GmbH – BATTERY-BUFFERED HALL MULTITURN ENCODER

iC-PV
BATTERY-BUFFERED HALL MULTITURN ENCODER
Rev E2, Page 1/28
FEATURES
• Integrated Hall sensors with automatic gain and offset control
• Current consumption of only 2 µA to 30 µA in typ. applications
• Tracking speed of up to 120 000 rpm
• Configurable multiturn counting up to 40 bits
• Octal encoder mode (singleturn) with 3-bit parallel output
• Shift register input for singleturn position
• Shift register output of synchronized MT/ST position
• SSI multiturn data output with error, parity and sync. bits
• Adjustable multiturn preset value
• Pin-triggered preset and boot-up from external EEPROM
• I²C multi-master interface to read EEPROM
• Supply voltage range of 3.0 V to 5.5 V
• Integrated supply switching to backup battery
• Error output on overspeed, low battery and CRC failure
• Space-saving 16-pin QFN package
APPLICATIONS
• Gearless revolution counting
• Multiturn encoders
• Absolute end-of-shaft encoders
• Period counters
• Metering applications
PACKAGES
QFN16
3 mm x 3 mm x 0.9 mm
RoHS compliant
BLOCK DIAGRAM
iC-PV
VBAT
SUPPLY SWITCH
VDD
Monitor
SCL
SDA
DI_P1
CLK_N1
PRE
I2C
MULTI
MASTER
RAM
LOGIC AND SERIAL INTERFACE
SSI Interface
SERIAL/
PARALLEL
OUTPUT
POSITION ENCODE
HALL CONTROL
10 ⁰ 1 ₁
MULTITURN
COUNTER
ERROR
MONITOR
SEL
OSCILLATOR
-
B
B
+
-
B
B
+
HALL SENSORS
GND
PSIN
+
NSIN
-
PCOS
+
-
NCOS
SIN/DIG CONVERTER
VDDS
DO_P0
N0
NERR
P2
N2
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