IC-MU_17 Datasheet, PDF (3/66 Pages) IC-Haus GmbH – MAGNETIC OFF-AXIS POSITION ENCODER - POLE WIDTH 1.28MM

iC-MU MAGNETIC OFF-AXIS
POSITION ENCODER - POLE WIDTH 1.28MM
CONTENTS
Rev D1, Page 3/66
PACKAGING INFORMATION
5
PIN CONFIGURATION DFN16-5x5
(topview) . . . . . . . . . . . . . . . . . 5
PACKAGE DIMENSIONS . . . . . . . . . . . 6
Serial interface
Configuring the data format and data
length . . . . . . . . . . . . . . . . . . . 28
BiSS C Interface . . . . . . . . . . . . . . . . 30
SSI interface . . . . . . . . . . . . . . . . . . 31
ABSOLUTE MAXIMUM RATINGS
7
SPI Interface: general description . . . . . . 33
THERMAL DATA
SPI Interface: Command ACTIVATE . . . . . 33
7
SPI interface: Command SDAD transmission 34
ELECTRICAL CHARACTERISTICS
8
OPERATING REQUIREMENTS
10
Multiturn Interface . . . . . . . . . . . . . . . 10
I/O Interface . . . . . . . . . . . . . . . . . . 11
PRINCIPLE OF MEASUREMENT
13
SPI interface: Command SDAD status . . . . 35
SPI interface: Command Read REGISTER
(single) . . . . . . . . . . . . . . . . . . 35
SPI interface: Command Write REGISTER
(single) . . . . . . . . . . . . . . . . . . 36
SPI interface: Command REGISTER
status/data . . . . . . . . . . . . . . . . 36
Rotative measuring system . . . . . . . . . . 13 _{CONVERTER AND NONIUS CALCULATION}
38
Linear measuring system . . . . . . . . . . . 13
Converter principle . . . . . . . . . . . . . . . 38
CONFIGURATION PARAMETERS
Synchronization mode . . . . . . . . . . . . . 38
14
MT INTERFACE
41
REGISTER ASSIGNMENTS (EEPROM)
16
Configuration of the Multiturn interface . . . . 41
Register assignment (EEPROM) . . . . . . . 16
Construction of a Multiturn system with two
Special BiSS registers . . . . . . . . . . . . . 19
iC-MU . . . . . . . . . . . . . . . . . . . 42
SIGNAL CONDITIONING FOR MASTER AND
MT Interface Daisy Chain . . . . . . . . . . . 44
NONIUS CHANNELS: x = M,N
20 _{INCREMENTAL OUTPUT ABZ,}
Bias current source . . . . . . . . . . . . . . 20
STEP/DIRECTION AND CW/CCW
45
Gain settings . . . . . . . . . . . . . . . . . . 20
Offset compensation . . . . . . . . . . . . . . 21 ^{UVW COMMUTATION SIGNALS}
48
Phase adjustment . . . . . . . . . . . . . . . 21 _{REGISTER ACCESS THROUGH SERIAL}
ANALOG SIGNAL CONDITIONING FLOW: x =
M,N
22
1. Conditioning the BIAS current . . . . . . . 22
2. Positioning of the sensor . . . . . . . . . . 22
INTERFACE (SPI AND BISS)
49
Address sections/Register protection level . . 53
Overview Register access: memory mapping,
Register protection levels . . . . . . . . 54
3.a Test modes analog master and analog
STATUS REGISTER AND ERROR MONITORING 55
nonius . . . . . . . . . . . . . . . . . . . 22
Status register . . . . . . . . . . . . . . . . . 55
3.b Test mode CNV_x . . . . . . . . . . . . . 22
Error and warning bit configuration . . . . . . 55
4. Track offset SPON . . . . . . . . . . . . . 23
COMMAND REGISTER
57
I2C INTERFACE AND STARTUP BEHAVIOR 24
Description of implemented commands . . . 57
I2C interface / CRC . . . . . . . . . . . . . . 24
Configurable NPRES Pin . . . . . . . . . . . 59
Startup behavior . . . . . . . . . . . . . . . . 25
CONFIGURABLE I/O INTERFACE
POSITION OFFSET VALUES AND PRESET
27
FUNCTION
61
Setting the interfaces . . . . . . . . . . . . . 27
Preset function . . . . . . . . . . . . . . . . . 61