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MCT8317A Datasheet(PDF) 142 Page - Texas Instruments |
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MCT8317A Datasheet(HTML) 142 Page - Texas Instruments |
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142 / 161 page  9 Application and Implementation Note Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 9.1 Application Information The MCT8317A device is used in sensorless 3-phase BLDC motor control. The driver provides a high performance, high-reliability, flexible solution for robotic vacuum, fuel pumps, automotive fans and blowers, medical CPAP blowers etc., The following section shows a common application of the MCT8317A device. 9.2 Typical Applications Figure 9-1 shows the typical schematic of MCT8317A. AVDD AGND VVM VM CP + CPH CPL OUTA OUTB OUTC 47 nF 1 µF 0.1 µF >10 µF SDA SCL I 2C nFAULT PGND MCT8317A DVDD AGND CAVDD FG RFG BRAKE DIR RSDA AVDD or EXT SUPPLY EXT_CLK EXT_WD DACOUT1 DACOUT2 SOX Optional Control Interface Optional Serial Interface 1 µF 1 µF CDVDD AVDD or EXT SUPPLY RnFAULT RSCL SPEED/WAKE (PWM/Analog/Freq) ALARM VIN_AVDD Figure 9-1. Example Application Schematic Table 9-1 lists the recommended values of the external components for MCT8317A. Table 9-1. MCT8317A External Components COMPONENTS PIN 1 PIN 2 RECOMMENDED CVM1 VM PGND X5R or X7R, 0.1-µF, TI recommends a capacitor voltage rating at least twice the normal operating voltage of the device CVM2 VM PGND ≥ 10-µF, TI recommends a capacitor voltage rating at least twice the normal operating voltage of the device CCP CP VM X5R or X7R, 16-V, 1-µF capacitor MCT8317A SLLSFQ2 – JANUARY 2023 www.ti.com 142 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: MCT8317A |
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