EFR32BG1 Datasheet, PDF (23/163 Pages) Silicon Laboratories – Home and Building Automation

4.1.3 Thermal Characteristics
Parameter
Thermal Resistance
Symbol
THETA_JA
EFR32BG1 Blue Gecko Bluetooth® Smart SoC Family Data Sheet
Electrical Specifications
Table 4.3. Thermal Characteristics
Test Condition
Min
QFN32 Package, 2-Layer PCB,
—
Air velocity = 0 m/s
QFN32 Package, 2-Layer PCB,
—
Air velocity = 1 m/s
QFN32 Package, 2-Layer PCB,
—
Air velocity = 2 m/s
QFN32 Package, 4-Layer PCB,
—
Air velocity = 0 m/s
QFN32 Package, 4-Layer PCB,
—
Air velocity = 1 m/s
QFN32 Package, 4-Layer PCB,
—
Air velocity = 2 m/s
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
Typ
79
62.2
54.1
32
28.1
26.9
64.5
51.6
47.7
26.2
23.1
22.1
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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