sak-xe164km-48fxxl Infineon Technologies Corporation, sak-xe164km-48fxxl Datasheet - Page 124
sak-xe164km-48fxxl
Manufacturer Part Number
sak-xe164km-48fxxl
Description
16-bit Single-chip Real Time Signal Controller
Manufacturer
Infineon Technologies Corporation
Datasheet
1.SAK-XE164KM-48FXXL.pdf
(125 pages)
- Current page: 124 of 125
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5.2
When operating the XE164xM in a system, the total heat generated in the chip must be
dissipated to the ambient environment to prevent overheating and the resulting thermal
damage.
The maximum heat that can be dissipated depends on the package and its integration
into the target board. The “Thermal resistance
power dissipation must be limited so that the average junction temperature does not
exceed 150 °C.
The difference between junction temperature and ambient temperature is determined by
ΔT = (
The internal power consumption is defined as
P
The static external power consumption caused by the output drivers is defined as
P
The dynamic external power consumption caused by the output drivers (
on the capacitive load connected to the respective pins and their switching frequencies.
If the total power dissipation for a given system configuration exceeds the defined limit,
countermeasures must be taken to ensure proper system operation:
•
•
•
•
Data Sheet
INT
IOSTAT
Reduce
Reduce the system frequency
Reduce the number of output pins
Reduce the load on active output drivers
=
P
V
INT
= Σ((
DDP
+
Thermal Considerations
V
×
V
P
DDP
I
DDP
IOSTAT
DDP
, if possible in the system
-
V
(switching current and leakage current).
OH
+
) ×
P
IODYN
I
OH
) + Σ(
) ×
R
ΘJA
V
OL
XE164FM, XE164GM, XE164HM, XE164KM
×
I
OL
124
)
XE166 Family Derivatives / Base Line
R
ΘJA
” quantifies these parameters. The
Package and Reliability
P
IODYN
V2.0, 2009-03
) depends
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