TMC222-SI TRINAMIC, TMC222-SI Datasheet - Page 43

• Manufacturer Part Number: TMC222-SI
• Description: IC, MOTOR CTRL/DRVR, STEPPER, SOIC-20
• Manufacturer: TRINAMIC

Specifications of TMC222-SI

• Motor Type: Stepper
• No. Of Outputs: 4
• Output Current: 800mA
• Supply Voltage Range: 8V To 29V
• Driver Case Style: SOIC
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Device Type: Motor
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TMC222 DATASHEET (V. 1.06 / March 15, 2007)
9 Package Thermal Resistance
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
Copyright © 2004-2007 TRINAMIC Motion Control GmbH & Co. KG
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PCB thickness = 1.6mm
1 layer
Copper thickness = 35µm
Figure 27: Layout consideration
2
(10mm 23mm)
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