Changes between Version 3 and Version 4 of catalina/thermal

Timestamp:

07/16/2026 11:39:42 PM (18 hours ago)

Author:

Ryan Erb

Comment:

add note for force

catalina/thermal

@@ -18 +18 @@
 Gateworks pre-installs a heatsink on the CPU for all Catalina boards. This heatsink provides basic cooling for the board during development but customers need to design their own thermal solution based on their particular enclosure, environment and operating conditions. 
 
-The CPU being used is the NXP Semiconductor MIMX9596XVZXNBC. 
+The CPU being used is the NXP Semiconductor MIMX9596XVZXNBC in a 19x19mm package. 
 
 The 1800MHz IMX95 Industrial Temp SoC used for Catalina is rated at:
@@ -38 +38 @@
  * Alpha Novatech       CQZL40-55 heatsink spring clips
  * Alpha Novatech       CNCR-10 heatsink mounting pins 
+
+The maximum allowable heat sink attachment force is a function of the BGA solderable pad area. A general rule of thumb is a maximum of 59 gm-f per square mm of solderable pad area.
+That snip came from AN13656 section 8.1
+
 == Catalina Fan