TLE8242-2 Datasheet, PDF (54/78 Pages) Infineon Technologies AG – 8 Channel Fixed Frequency Constant Current Control With Current Profile Detection

TLE8242-2
Functional Description and Electrical Characteristics
5.9.2.11 SPI Message #10 - Current and Dither Amplitude Set
Sent Values:
Current and Dither Amplitude Set
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R/W
0
MSG_ID
0
1
CHAN
EN
unuse
d
1 msb
lsb
msb
Dither Step Size
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Dither Step size (cont)
Current Setpoint
lsb msb
lsb
Field
Bits
R/W
31
MSG_ID
CHAN
EN
30:27
26:24
23
Dither Step 21:11
Size
Current
10:0
Setpoint
Type
ADDR
ADDR
DATA
DATA
DATA
Description
Read / Write Bit
0 = Read
1 = Write
Message Identifier
0011 =Current and Dither Amplitude Set
Channel Number
Operation during ENABLE deactivation
0 = disable (RESET Value)
1 = remain in operation at last setpoint including dither
Dither Step Size (LSb’s value is 2^-2 of the current setpoint LSb)
(RESET Value = 0)
Note: A value of 0 will disable the dither function
Current Set Point
(RESET Value = 0)
Data Sheet
54
Rev. 1.0, 2010-02-09