TMC211-PA20 TRINAMIC [TRINAMIC Motion Control GmbH & Co. KG.], TMC211-PA20 Datasheet - Page 52

• Manufacturer Part Number: TMC211-PA20
• Description: Micro Stepping Stepper Motor Controller / Driver with LIN Interface
• Manufacturer: TRINAMIC [TRINAMIC Motion Control GmbH & Co. KG.]

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9 Package Thermal Resistance and Layout Considerations
9.1 SOIC-20 Package
The junction case thermal resistance is 28°C/W, leading to a junction ambient thermal resistance of
63°C/W, with the PCB ground plane layout condition given in the figure below and with
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Copyright © 2004-2005 TRINAMIC Motion Control GmbH & Co. KG
PCB thickness = 1.6mm
1 layer
Copper thickness = 35µm
Figure 22: Layout consideration
TMC211 DATASHEET (V. 1.04 / January 7, 2005)
2 × (10mm × 23mm)