MACHINE THESE
3 EDGES AFTER
ANODIZATION
0.00
–0.60
+.000
–.024
SINK HEIGHT
25.00
.984
1.00
[.118]
3.00
[.118]
0
[.000]
10.00
[.394]
19.50
[.768]
30.50
[1.201]
40.00
[1.575]
50.00±0.38
[1.969±.015]
SINK LENGTH
3.00
[.118]
6.35
[.250]
13.90±0.38
[.547±.015]
BASE WIDTH
6.95
[.274]
5.00
[.197]
40.00
[1.575]
2X 4-40 6.5x
31
TPA3116D2
,
TPA3118D2
,
TPA3130D2
www.ti.com
SLOS708G –APRIL 2012–REVISED DECEMBER 2017
Product Folder Links: TPA3116D2 TPA3118D2 TPA3130D2
Submit Documentation FeedbackCopyright © 2012–2017, Texas Instruments Incorporated
10.3 Heat Sink Used on the EVM
The heat sink (part number ATS-TI 10 OP-521-C1-R1) used on the EVM is an 14x25x50 mm extruded aluminum
heat sink with three fins (see drawing below). For additional information on the heat sink, go to www.qats.com.
Figure 42. EVM Heatsink
This size heat sink has shown to be sufficient for continuous output power. The crest factor of music and having
airflow will lower the requirement for the heat sink size and smaller types can be used.