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MPC17559EP/R2 датащи(PDF) 14 Page - Freescale Semiconductor, Inc |
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MPC17559EP/R2 датащи(HTML) 14 Page - Freescale Semiconductor, Inc |
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14 / 19 page ![]() Analog Integrated Circuit Device Data 14 Freescale Semiconductor 17559 TYPICAL APPLICATIONS INTRODUCTION CEMF SNUBBING TECHNIQUES Care must be taken to protect the IC from potentially damaging CEMF spikes induced when commutating currents in inductive loads. Typical practice is to provide snubbing of voltage transients by placing a capacitor or zener at the motor supply voltage terminal (VM). PCB LAYOUT When designing the printed circuit board (PCB), connect sufficient capacitance between power supply and ground terminals to ensure proper filtering against transients. For all high-current paths, use wide copper traces and the shortest possible distances. |
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