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SPM6M080-010D Datasheet(PDF) 14 Page - Sensitron |
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SPM6M080-010D Datasheet(HTML) 14 Page - Sensitron |
14 / 16 page SENSITRON SEMICONDUCTOR TECHNICAL DATA Datasheet 4118, Rev. D.2 © 2004 Sensitron Semiconductor • 221 West Industry Court • Deer Park, NY 11729 • (631) 586 7600 FAX (631) 242 9798 • www.sensitron.com • sales@sensitron.com • Page 14 SPM6M080-010D f- Limitation With Trapezoidal Motor Drive In trapezoidal motor drives, two phases are conducting while the third phase is off at any time. In Fig. 9 shows the voltage waveform across one phase, during intervals t1 and t2, the MOSFET is off while the active bias circuit is above 8V, and below 15V. This results in activating the active pull up circuit and reducing the corresponding R1 or R2 down to about 110 Ω. A high current will flow from VCC or VBS through R2 or R1 and the motor winding during intervals t1, and t2. This results in draining the bootstrap capacitor voltage quickly. Contact the factory for adjustments to satisfy trapezoidal motor drive applications using this module. The adjustment will disable the internal pull up circuit. The device part number is SPM6M080-010D-B. Figure 9. Active Bias for DSH and DSL Internal Inputs t1 V t2 time 15 8 |
Similar Part No. - SPM6M080-010D_10 |
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Similar Description - SPM6M080-010D_10 |
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