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[原创] TI TPS65983USB Type-C和供电(PD)控制方案

TI公司的TPS65983是USB Type-C和供电(PD)控制器,电源开关和高速多路复用器,可在USB Type-C连接器中提供电缆插入状态和方向检测.根据电缆检测,器件采用USB PD协议在CC线上进行通信,完成电缆检测和USB PD协商后,器件会选择适当供电路径,并配置内部和外部多路复用器的交替模式,主要用在Thunderbolt 3(USB-C)接口设备.本文介绍了TPS65983主要特性,功能框图,Type-C和PD充电器应用图以及评估模块TPS65983EVM主要特性,电路图,材料清单和PCB设计图.

The TPS65983 is a stand-alone USB Type-C andPower Delivery (PD) controller providing cable plugand orientation detection at the USB Type-Cconnector. Upon cable detection, the TPS65983communicates on the CC wire using the USB PDprotocol. When cable detection and USB PDnegotiation are complete, the TPS65983 enables the appropriate power path and configures alternatemode settings for internal and (optional) externalmultiplexers.

The mixed-signal front end on the CC pins advertises default (500 mA), 1.5 A or 3 A for Type-C power sources,detects a plug event and determines the USB Type-C cable orientation, and autonomously negotiates USB PDcontracts by adhering to the specified bi-phase marked coding (BMC) and physical layer (PHY) protocol.

The port power switch provides up to 3 A downstream at 5 V for legacy and Type-C USB power. An additionalbidirectional switch path provides USB PD power up to 3 A at a maximum of 20 V as either a source (host), sink(device), or source-sink.

The TPS65983 is also an Upstream-Facing Port (UFP), Downstream-Facing Port (DFP), or Dual-Role Port fordata. The port data multiplexer passes data to or from the top or bottom D+/D– signal pair at the port for USB 2.0HS and has a USB 2.0 Low Speed Endpoint. Additionally, the Sideband-Use (SBU) signal pair is used forauxiliary or Alternate Modes of communication (DisplayPort or Thunderbolt, for example).The power management circuitry utilizes a 3.3 V inside the system and also uses VBUS to start up and negotiatepower for a dead-battery or no-battery condition.

TPS65983主要特性:

1• USB Power Delivery (PD) Controller
– Mode Configuration for Source (Host), Sink(Device), or Source-Sink
– Bi-Phase Marked Encoding/Decoding (BMC)
– Physical Layer (PHY) Protocol
– Policy Engine
– Configurable at Boot and Host-Controlled
• USB Type-C Specification Compliant
– Detect USB Cable Plug Attach
– Cable Orientation and Role Detection
– Assign CC and VCONN Pins
– Advertise Default, 1.5 A or 3 A for Type-CPower
• Port Power Switch
– 5-V, 3-A Switch to VBUS for Type-C Power
– 5-V to 20-V, 3-A Bidirectional Switch to or fromVBUS for USB PD Power
– 5-V, 600-mA Switches for VCONN
– Overcurrent Limiter, Overvoltage Protector
– Slew Rate Control
– Hard Reset Support
• Port Data Multiplexer
– USB 2.0 HS Data, UART Data, and LowSpeed Endpoint
– Sideband Use Data for Alternate Modes(DisplayPort and Thunderbolt™)
• Power Management
– Gate Control and Current Sense for External5-V to 20-V, 5-A Bidirectional Switch (Back-to-Back NFETs)
– Power Supply from 3.3-V or VBUS Source
– 3.3-V LDO Output for Dead Battery Support
• BGA MicroStar Junior Package
– 0.5-mm Pitch
– Through-Hole Via Compatible for All Pins

TPS65983应用:

• Thunderbolt 3 Devices

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图1.TPS65983简化框图

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图2.TPS65983功能框图

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图3.TPS65983 Type-C和PD充电器应用图

评估模块TPS65983EVM

This document is the user’s guide for the TPS65983 Evaluation Module (TPS65983EVM). TheTPS65983EVM allows for evaluation of the TPS65983 IC as part of a stand-alone testing kit and for development and testing of USB Type-C and Power Delivery (PD) end products.

The TPS65983EVM allows a simple way to evaluate the TPS65983. The TPS65983EVM is built with aUSB Type-C receptacle and TPS65983 to detect another TPS65983EVM or other Type-C host/device viaa USB Type-C cable. The TPS65983 detects the plug event and/or presence of another Type-C producton the CC1 or CC2 pin and provides or consumes power on the VBUS pin. The TPS65983EVM alsosupports dead battery mode and can be powered by another TPS65983EVM or other USB Type-C powerprovider. After CC detection and Type-C power is established, the TPS65983 will attempt to negotiate aUSB Power Delivery (PD) contract to provide or consume additional power. After a USB PD contract isnegotiated, the TPS65983 will attempt to enter an Alternate Mode. The TPS65983EVM can be used toemulate other USB Type-C and PD products, such as a dock, a notebook computer, a tablet, a dongle, anAC charger adapter, and a high-power bus-powered device. The GPIOs of the TPS65983 are routed tothe EVM J2 and J3 headers and can also be used to control external SuperSpeed and DisplayPortmultiplexers.

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图4.评估模块TPS65983EVM外形图

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图5.评估模块TPS65983EVM正面图

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图6.评估模块TPS65983EVM背面图

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图7.评估模块TPS65983EVM电路图(1)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图8.评估模块TPS65983EVM电路图(2)
评估模块TPS65983EVM材料清单:

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


[原创] TI TPS65983USB Type-C和供电(PD)控制方案



[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图9.评估模块TPS65983EVM PCB设计图(顶层)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图10.评估模块TPS65983EVM PCB设计图(元件图)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图11.评估模块TPS65983EVM PCB设计图(层2,地)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图12.评估模块TPS65983EVM PCB设计图(内信号层1)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图13.评估模块TPS65983EVM PCB设计图(地层)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图14.评估模块TPS65983EVM PCB设计图(内信号层2)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图15.评估模块TPS65983EVM PCB设计图(底层)

[原创] TI TPS65983USB Type-C和供电(PD)控制方案


图17.评估模块TPS65983EVM PCB设计图(底层元件图)
详情请见:


slvsd93a.pdf

(责任编辑:ioter)

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