TLI4970-D025T4_15 Datasheet, PDF (23/29 Pages) Infineon Technologies AG – High precision miniature coreless magnetic current sensor for AC

TLI4970-D025T4
Interfaces
Field
Bits
1
15
PAR
14
HW
13
OL
12
OT
11
COM
10
RESERVED 9:0
Type
r
r
r
r
r
r
r
Description
Status
Status identifier of a Sensor Status Word
Parity Bit
Odd parity of current value.
This bit is set in a way that the sum of all bits in the Status Word is odd.
Hardware error
0_B OK
1_B Internal error; sensor not usable
Overload error
0_B OK
1_B Overload (Current outside I_PFSR range)
Temperature error
0_B OK
1_B Temperature out of range
Communication error
0_B OK
1_B No multiple of 16 SCLK cycles detected in last frame
Reserved
Don’t care - Reserved for future use
4.1.2 Physical SPI Interface
The TLI4970-D025T4 has a 3-pin unidirectional SPI interface. This interface can be driven with a clock up to
5 MHz. The timing parameters are given in Table 4-1. Electrical characteristics are given in Table 4-2.
CS
SCLK
DOUT
t _CSS
t_SPI
t_CLH
t _CLL
tDS
MSB
Figure 4-1 SPI interface timing: Readout of sensor data
t CSH
t_CSON
t_DZ
LSB
Data Sheet
23
Rev. 1.0, 2015-07-02