TLI4970-D025T4_15 Datasheet, PDF (22/29 Pages) Infineon Technologies AG – High precision miniature coreless magnetic current sensor for AC

TLI4970-D025T4
Structure of the Sensor Value Message
VALUE
Value of the actual current measurement
15 14 13 12
0 PAR OCD
r
r
r
Interfaces
Offset
01_H
CURRENT
r
Reset Value
4000_H
0
Field
Bits
0
15
PAR
14
OCD
13
CURRENT 12:0
Type
r
r
r
r
Description
Status
Status identifier of a Sensor Value Word
Parity Bit
Odd parity of current value.
This bit is set in a way that the sum of all bits in the Value Word is odd.
OCD-state
Over current comparator value
0_B No over current
1_B Over current detected
Current value
Actual measured current value.
4.1.1.4 Sensor Status Message
The Sensor Status Word contains information about temperature and load conditions and is sent under the
following conditions:
• Once after start-up (“Sensor restarted”)
• During the sensor start-up phase when a command is sent (“Sensor busy”)
• If an internal error occurred (“Sensor fail”)
Structure of the Sensor Status Message
STATUS
Sensor status message
Offset
02_H
Reset Value
8000_H
15 14 13 12 11 10 9
0
1 PAR HW OL OT COM
RESERVED
r
r
r
r
r
r
r
Data Sheet
22
Rev. 1.0, 2015-07-02