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AM6421 Datasheet(PDF) 119 Page - Texas Instruments

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Part # AM6421
Description  AM64x Sitara Processors
PDF  237 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM6421 Datasheet(HTML) 119 Page - Texas Instruments

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7.9 Thermal Resistance Characteristics
This section provides the thermal resistance characteristics used on this device.
For reliability and operability concerns, the maximum junction temperature of the device has to be at or below
the TJ value identified in Section 7.4, Recommended Operating Conditions.
7.9.1 Thermal Resistance Characteristics for ALV Package
It is recommended to perform thermal simulations at the system level with the worst case device power consumption.
NO.
PARAMETER
DESCRIPTION
ALV PACKAGE
°C/W(1) (3)
AIR FLOW
(m/s)(2)
T1
RΘJC
Junction-to-case
0.98
N/A
T2
RΘJB
Junction-to-board
3.87
N/A
T3
RΘJA
Junction-to-free air
12.8
0
T4
Junction-to-moving air
TBD
1
T5
TBD
2
T6
TBD
3
T7
ΨJT
Junction-to-package top
0.53
0
T8
TBD
1
T9
TBD
2
T10
TBD
3
T11
ΨJB
Junction-to-board
3.74
0
T12
TBD
1
T13
TBD
2
T14
TBD
3
(1)
These values are based on a JEDEC defined 2S2P system (with the exception of the Theta JC [RΘJC] value, which is based on a
JEDEC defined 1S0P system) and will change based on environment as well as application. For more information, see these EIA/
JEDEC standards:
•
JESD51-2, Integrated Circuits Thermal Test Method Environment Conditions - Natural Convection (Still Air)
•
JESD51-3, Low Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages
•
JESD51-6, Integrated Circuit Thermal Test Method Environmental Conditions - Forced Convection (Moving Air)
•
JESD51-7, High Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages
•
JESD51-9, Test Boards for Area Array Surface Mount Packages
(2)
m/s = meters per second.
(3)
°C/W = degrees Celsius per watt.
www.ti.com
AM6442, AM6441, AM6421
AM6412, AM6411
SPRSP56 – JANUARY 2021
Copyright © 2021 Texas Instruments Incorporated
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119
Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411



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