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TUSB8020BPHPR Datasheet(PDF) 27 Page - Texas Instruments |
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TUSB8020BPHPR Datasheet(HTML) 27 Page - Texas Instruments |
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27 / 44 page  POPULATE FOR BC SUPPORT USB_SSRXP_DN2 USB_SSRXM_DN2 CAP_DN2_TXP CAP_DN2_TXM VBUS_DS2 USB_DP_DN2 USB_DM_DN2 USB_SSTXM_DN2 USB_SSTXP_DN2 DN2_VBUS BOARD_3P3V DN2_VBUS OVERCUR2Z PWRCTRL2_BATEN2 J3 USB3_TYPEA_CONNECTOR VBUS 1 DM 2 DP 3 GND 4 SSRXN 5 SSRXP 6 GND 7 SSTXN 8 SSTXP 9 SHIELD0 10 SHIELD1 11 C11 0.1uF C14 0.1uF C15 0.001uF FB2 220 @ 100MHZ R10 1M 0402 5% C13 0.1uF 0201 TUSB8020B U1C SMBUSZ / SS_DN2 22 PWRCTL2 / BATEN2 6 OVERCUR2Z 8 USB_DP_DN2 14 USB_DM_DN2 15 USB_SSTXP_DN2 16 USB_SSTXM_DN2 17 USB_SSRXP_DN2 19 USB_SSRXM_DN2 20 C12 0.1uF 0201 R9 4.7K 0402 5% Copyright © 2017, Texas Instruments Incorporated POPULATE FOR BC SUPPORT DN1_VBUS VBUS_DS1 USB_SSTXP_DN1 USB_SSRXM_DN1 CAP_DN_TXM1 USB_SSRXP_DN1 CAP_DN_TXP1 USB_DM_DN1 USB_DP_DN1 USB_SSTXM_DN1 BOARD_3P3V DN1_VBUS PWRCTRL1_BATEN1 OVERCUR1Z C6 0.1uF C9 0.001uF C7 0.1uF 0201 C8 0.1uF 0201 R7 4.7K 0402 5% TUSB8020B U1B PWRCTL_POL / SS_DN1 21 USB_DP_DN1 41 USB_DM_DN1 42 USB_SSTXP_DN1 43 USB_SSTXM_DN1 44 USB_SSRXP_DN1 46 USB_SSRXM_DN1 47 PWRCTL1 / BATEN1 4 OVERCUR1Z 5 J2 USB3_TYPEA_CONNECTOR VBUS 1 DM 2 DP 3 GND 4 SSRXN 5 SSRXP 6 GND 7 SSTXN 8 SSTXP 9 SHIELD0 10 SHIELD1 11 C10 0.1uF R6 4.7K 0402 5% FB1 220 @ 100MHZ R8 1M 0402 5% Copyright © 2017, Texas Instruments Incorporated 27 TUSB8020B www.ti.com SLLSEF6C – JULY 2014 – REVISED JUNE 2017 Product Folder Links: TUSB8020B Submit Documentation Feedback Copyright © 2014–2017, Texas Instruments Incorporated 9.2.2.2 Downstream Port 1 Implementation The downstream port 1 of the TUSB8020B is connected to a USB3 type A connector. With BATEN1 terminal pulled up, battery charge support is enabled for port 1. If battery charge support is not needed, then the pullup resistor on BATEN1 should be uninstalled. The PWRCTL_POL is pulled-down, which results in active-high power enable (PWRCTL1 and PWRCTL2) for a USB VBUS power switch. Figure 28. Downstream Port 1 Implementation 9.2.2.3 Downstream Port 2 Implementation The downstream port 2 of the TUSB8020B is connected to a USB3 type A connector. With BATEN2 terminal pulled up, battery charge support is enabled for port 2. If battery charge support is not needed, then the pullup resistor on BATEN2 should be uninstalled. Figure 29. Downstream Port 2 Implementation |
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