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USB5916CT/KD 数据表(PDF) 39 Page - Microchip Technology |
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USB5916CT/KD 数据表(HTML) 39 Page - Microchip Technology |
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39 / 66 page  USB5916C DS00003189C-page 38 2022 Microchip Technology Inc. and its subsidiaries 8.6.2.3 Port Power Control with Single Poly Fuse and Multiple Loads Many customers use a single poly fuse to power all their devices. For the ganged situation, all power control pins must be tied together. 8.6.3 PORT CONTROLLER CONNECTION EXAMPLE FIGURE 8-11: PORT POWER CONTROL WITH GANGED CONTROL WITH POLY FUSE FIGURE 8-12: GENERIC PORT POWER CONTROLLERS Note: The CFG_BC_EN configuration strap must be properly configured to enable battery charging on the appro- priate ports. For more information on the CFG_BC_EN configuration strap, refer to Section 3.5.4, Battery Charging Configuration (CFG_BC_EN). Pull-Up Enable USB Device Poly Fuse 5V Pull-Up Enable Pull-Up Enable 50k 50k 50k PRTPWR OCS USB Device USB Device PRT_CTLx PRT_CTLy PRT_CTLz Generic Port Power Controller Port x Connector Generic Port Power Controller POWER (High Current) (BC Enabled) OCS D+ D - VBUS D+ D- Port y Connector POWER (BC Enabled) OCS D+ D - VBUS D+ D- PRT_CTLy PRT_CTLx |
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