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SI-7502 Datasheet(PDF) 5 Page - Sanken electric |
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SI-7502 Datasheet(HTML) 5 Page - Sanken electric |
5 / 5 page 108 SI-7502 (SLA5011/SLA6503) SI-7502 (SLA5011/SLA6503) 5-Phase Stepper Motor Driver ICs (Pentagon Connection) −40 0 50 100 150 ( °C) 15 10 5 0 Ambient temperature Ta (W) 50× 50× 2 mm AI FIN N0 FIN Fig. E SLA5011/SLA6503 Derating curve sMotor Connection The 5-phase stepper motor supports various driving systems and the motor connection varies depending on the driving sys- tem used. Use of the motor with some driving systems may be restricted by patents. Therefore, be sure to ask the motor manufacturer about the motor connection and driving system to be used. sThermal design The driver (SLA5011/SLA6503) dissipation varies depending on a driving system used even if the output currents (control cur- rent) are the same. Therefore, measure the temperature rise of the driver under the actual operating conditions to determine the size of the heatsink. Figure E shows an SLA5011/SLA6503 derating curve. This de- rating curve indicates Tj=150 °C; however, when using this de- vice, allow sufficient margin when selecting a heatsink so that TC ≤100°C (AI FIN temperature on the back of the SLA) is ob- tained. Substances that can dissolve the package Substances that can weaken the package SI-7502 sHandling Precautions Refer to the product specifications. Solvents- Do not use the following solvents: Chlorine-based solvents: Trichloroethylene, Trichloroethane, etc. Aromatic hydrogen compounds: Benzene, Toluene, Xylene, etc. Keton and Acetone group solvents Gasoline, Benzine, Kerosene, etc. |
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