SLLSFB2 April 2020 TUSB1146
PRODUCTION DATA.
For this design example, use the parameters shown in Table 28.
| PARAMETER | VALUE | |
|---|---|---|
| 10Gbps USB3.1 pre-channel A to B PCB trace length, XAB. Refer to Figure 33. | 2 inches <= XAB <= 12 inches - [MAX (XEF or XGH)] | |
| 10Gbps DP pre-channel C to D PCB trace length, XCD. Refer to Figure 33. | 4 inches <= XCD <= 14 inches - [MAX (XEF or XGH)] | |
| 10Gbps USB and DP post channel E to F PCB trace length, XEF. Refer to Figure 33. | up to 4 inches | |
| 10Gbps USB and DP post channel G to H PCB trace length, XGH. Refer to Figure 33. | up to 4 inches | |
| Minimum distance of the AC capacitors from TUSB1146, LAC-CAP | 0.4 inches | |
| Maximum distance of ESD component from the USB-C receptacle, LESD | 0.5 inches | |
| Maximum distance of series resistor (RESD) from ESD component, LR_ESD. | 0.25 inches | |
| DCI Support (Y/N) | Yes | |
| CAC-USB1 AC-coupling capacitor (75 nF to 265 nF) | 220 nF | |
| CAC-USB2 AC-coupling capacitor (297 nF to 363 nF) | DCI Supported | No AC capacitor. RX1 and RX2 must be DC coupled to USB-C receptacle. |
| DCI Not Supported | Options:
|
|
| Optional RRX resistor (220kΩ +/- 5%) | No used | |
| CAC-DP AC-coupling capacitor (75 nF to 265 nF) | 220 nF | |
| RESD (0 ohms to 2.2 ohms) | 1 ohm | |
| VCC supply (3 V to 3.6 V) | 3.3 V | |
| I2C Mode or GPIO Mode | I2C Mode. (I2C_EN pin != "0") | |
| 1.8V or 3.3V I2C Interface | 3.3V I2C. Pull-up the I2C_EN pin to 3.3V with a 1K ohm resistor. | |