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TUSB422是一款USB PD PHY，可在USB
Type-C端口中实现USB Type-C生态系统所需的配置通道（ CC）逻辑。该器件集成USB双相标记编码（BMC）供电（PD）协议的物理层，允许使用功率高达100W的电源并支持备用模式接口。具备USB Type-C端口管理器（TCPM）的外部处理器通过I 2 C接口与TUSB422进行通信。
在TCPM的控制下，TUSB322使用CC引脚确定端口连接状态，电缆方向并进行角色检测和USB Type-C电流模式控制.TUSB422可根据应用配置为DFP，UFP或DRP.TUSB422应用VBUS检测和放电功能，从而实现兼容性USB Type-C端口。
TUSB422集成2.5W开关，可为有源电缆提供VCONN电源。该器件还提供VCONN放电功能.TUSB422还支持USB Type-C可选功能，例如音频和调试附件。
该器件能够在宽电源范围内工作，功耗较低.TUSB422可在工业级温度围内运行。
所有商标是他们各自所有者的财产。
| Function |
| Policy Manager |
| Alternate Mode |
| Power Role |
| Data Role |
| Internal Power Path |
| External Power Path Control |
| Iq (Typ) (uA) |
| Realtime VBUS monitoring |
| Dead Battery Support |
| USB Speed (Mbps) |
| Operating Temperature Range (C) |
| Rating |
| Configuration |
| Package Group |
| TUSB422 | TPS25740B | TPS65981 | TPS65982 | TPS65986 | TPS65990 | TUSB319-Q1 | TUSB320HAI | TUSB320LAI | TUSB321 | TUSB321AI | TUSB322I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CC Controller PD Controller | CC Controller PD Controller | CC Controller PD Controller Passive Signal Switch Power Switch | CC Controller PD Controller Passive Signal Switch Power Switch | CC Controller PD Controller Passive Signal Switch Power Switch | Power Switch | CC Controller | CC Controller | CC Controller | CC Controller | CC Controller | CC Controller |
| Integrated | Integrated | Integrated | Integrated | N/A | N/A | N/A | N/A | N/A | N/A | ||
| Yes | No | Yes | Yes | Yes | No | No | No | No | No | No | No |
| DRP Sink Source | Source | DRP Sink Source | DRP Sink Source | DRP Sink Source | DRP Sink Source | Source | DRP Sink Source | DRP Sink Source | DRP Sink Source | DRP Sink Source | DRP Sink Source |
| DFP DRD UFP | DFP | DFP DRD UFP | DFP DRD UFP | DFP DRD UFP | N/A | DFP | DFP DRD UFP | DFP DRD UFP | DFP DRD UFP | DFP DRD UFP | DFP DRD UFP |
| N/A | 20V 3A Source/Sink 5V 3A Source 5V 600mA VCONN | 20V 3A Source/Sink 5V 3A Source 5V 600mA VCONN | 20V 3A Source/Sink 5V 3A Source 5V 600mA VCONN | 20V 3A Source/Sink 5V 600mA VCONN | 5V 3A Source | N/A | N/A | N/A | N/A | N/A | |
| NFET | GPIO NFET | GPIO NFET | GPIO | NFET | GPIO | GPIO I2C | GPIO I2C | GPIO | GPIO | GPIO I2C | |
| 8.5 | 58 | 58 | 58 | 35 | |||||||
| No | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Yes | No | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes |
| N/A | 480 | 480 | 480 | N/A | |||||||
| -40 to 85 | -40 to 125 | -40 to 85 -40 to 105 | -10 to 85 | -10 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | 0 to 70 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Automotive | Catalog | Catalog | Catalog | Catalog | Catalog |
| Always ON USB3 10uA | 5V/9V/12V/15V/20V | N/A | N/A | N/A | N/A | DFP | Active High Enable Try.SRC Try.SNK USB2 70uA | Active Low Enable Try.SRC Try.SNK USB2 70uA | Always ON USB3 100uA | Always ON USB3 70uA | Active Low Enable Try.SRC Try.SNK USB3 70uA |
| DSBGA | VQFN | QFN | BGA MICROSTAR JUNIOR | BGA MICROSTAR JUNIOR | WQFN | WSON | X2QFN | X2QFN | X2QFN | X2QFN | X2QFN |
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