EFR32FG12 Datasheet, PDF (24/183 Pages) –

4.1.3 Thermal Characteristics
Parameter
Thermal Resistance
Symbol
THETA_JA
EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Electrical Specifications
Table 4.3. Thermal Characteristics
Test Condition
Min
QFN48 Package, 2-Layer PCB,
—
Air velocity = 0 m/s
QFN48 Package, 2-Layer PCB,
—
Air velocity = 1 m/s
QFN48 Package, 2-Layer PCB,
—
Air velocity = 2 m/s
QFN48 Package, 4-Layer PCB,
—
Air velocity = 0 m/s
QFN48 Package, 4-Layer PCB,
—
Air velocity = 1 m/s
QFN48 Package, 4-Layer PCB,
—
Air velocity = 2 m/s
BGA125 Package, 2-Layer PCB,
—
Air velocity = 0 m/s
BGA125 Package, 2-Layer PCB,
—
Air velocity = 1 m/s
BGA125 Package, 2-Layer PCB,
—
Air velocity = 2 m/s
BGA125 Package, 4-Layer PCB,
—
Air velocity = 0 m/s
BGA125 Package, 4-Layer PCB,
—
Air velocity = 1 m/s
BGA125 Package, 4-Layer PCB,
—
Air velocity = 2 m/s
Typ
75.7
61.5
55.4
30.2
26.3
24.9
90.7
73.7
66.4
45
39.6
37.6
Max
Unit
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
—
°C/W
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