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TLE7809G Datasheet(PDF) 49 Page - Infineon Technologies AG

Part # TLE7809G
Description  Integrated double low-side switch, high-side/LED driver, hall supply, wake-up inputs and LIN communication with embedded MCU (16kB Flash)
PDF  52 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

TLE7809G Datasheet(HTML) 49 Page - Infineon Technologies AG

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Data Sheet
49
Rev. 3.01, 2008-04-15
TLE7809G
Application Information
18.3
Flash Program Mode via LIN-Fast-Mode
For flash programming the transmission rate of the integrated LIN transceiver can be changed to maximum
115 kBaud via SPI command. A dedicated BROM routine of the XC866 takes care of periodically servicing the
watchdog during this LIN-Fast-Mode. Further details are available in the XC866 User’s Manual.
Figure 20
LIN Flash mode SPI command
18.4
Thermal Resistance
T
J = TA + (PD × RthJA)
(8)
•
T
J = Junction temperature [°C]
•
T
A = Ambient temperature [°C]
•
P
D = Total chip power dissipation [W]
•
P
INT = Chip internal power dissipation [W]
•
P
IO = Power dissipation caused by I/O currents [W]
•
R
thJA = Package thermal resistance [K/W]; junction-ambient
The total power dissipation can be calculated from:
P
D = PINT + PIO
(9)
15 14 13 12 11 10
8
9
7
6
5
4
3
2
0
1
Input Data
LSB
MSB
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
LIN FLASH mode on
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
LIN FLASH mode off



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