SLVSFM6A
August 2020 – July 2021
TPS65994AD
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Recommended Capacitance
6.5
Thermal Information
6.6
Power Supply Characteristics
6.7
Power Consumption
6.8
PP_5V Power Switch Characteristics
6.9
PP_EXT Power Switch Characteristics
6.10
Power Path Supervisory
6.11
CC Cable Detection Parameters
6.12
CC VCONN Parameters
6.13
CC PHY Parameters
6.14
Thermal Shutdown Characteristics
6.15
ADC Characteristics
6.16
Input/Output (I/O) Characteristics
6.17
I2C Requirements and Characteristics
6.18
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
USB-PD Physical Layer
8.3.1.1
USB-PD Encoding and Signaling
8.3.1.2
USB-PD Bi-Phase Marked Coding
8.3.1.3
USB-PD Transmit (TX) and Receive (Rx) Masks
8.3.1.4
USB-PD BMC Transmitter
8.3.1.5
USB-PD BMC Receiver
8.3.1.6
Squelch Receiver
8.3.2
Power Management
8.3.2.1
Power-On And Supervisory Functions
8.3.2.2
VBUS LDO
8.3.3
Power Paths
8.3.3.1
Internal Sourcing Power Paths
8.3.3.1.1
PP_5Vx Current Clamping
8.3.3.1.2
PP_5Vx Local Overtemperature Shut Down (OTSD)
8.3.3.1.3
PP_5Vx Current Sense
8.3.3.1.4
PP_5Vx OVP
8.3.3.1.5
PP_5Vx UVLO
8.3.3.1.6
PP_5Vx Reverse Current Protection
8.3.3.1.7
Fast Role Swap
8.3.3.1.8
PP_CABLE Current Clamp
8.3.3.1.9
PP_CABLE Local Overtemperature Shut Down (OTSD)
8.3.3.1.10
PP_CABLE UVLO
8.3.3.2
Sink Path Control
8.3.3.2.1
Overvoltage Protection (OVP)
8.3.3.2.2
Reverse-Current Protection (RCP)
8.3.3.2.3
VBUS UVLO
8.3.3.2.4
Discharging VBUS to Safe Voltage
8.3.4
Cable Plug and Orientation Detection
8.3.4.1
Configured as a Source
8.3.4.2
Configured as a Sink
8.3.4.3
Configured as a DRP
8.3.4.4
Fast Role Swap Signal Detection
8.3.4.5
Dead Battery Advertisement
8.3.5
Default Behavior Configuration (ADCIN1, ADCIN2)
8.3.6
ADC
8.3.7
DisplayPort Hot-Plug Detect (HPD)
8.3.8
Digital Interfaces
8.3.8.1
General GPIO
8.3.8.2
I2C Interface
8.3.9
Digital Core
8.3.10
I2C Interface
8.3.10.1
I2C Interface Description
8.3.10.2
I2C Clock Stretching
8.3.10.3
I2C Address Setting
8.3.10.4
Unique Address Interface
8.4
Device Functional Modes
8.4.1
Pin Strapping to Configure Default Behavior
8.4.2
Power States
8.4.3
Thermal Shutdown
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Type-C VBUS Design Considerations
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Type-C Connector VBUS Capacitors
9.2.1.2.2
VBUS Schottky and TVS Diodes
9.2.1.3
Application Curves
9.2.2
Notebook Design Supporting PD Charging
9.2.2.1
USB and DisplayPort Notebook Supporting PD Charging
9.2.2.1.1
Design Requirements
9.2.2.1.2
Detailed Design Procedure
9.2.2.1.2.1
USB Power Delivery Source Capabilities
9.2.2.1.2.2
USB Power Delivery Sink Capabilities
9.2.2.1.2.3
USB and DisplayPort Supported Data Modes
9.2.2.1.2.4
TUSB1046 Super Speed Mux GPIO Control
9.2.2.2
Thunderbolt Notebook Supporting PD Charging
9.2.2.2.1
Design Requirements
9.2.2.2.2
Detailed Design Procedure
9.2.2.2.2.1
USB Power Delivery Source Capabilities
9.2.2.2.2.2
USB Power Delivery Sink Capabilities
9.2.2.2.2.3
Thunderbolt Supported Data Modes
9.2.2.2.2.4
I2C Design Requirements
9.2.2.2.2.5
TS3DS10224 SBU Mux for AUX and LSTX/RX
10
Power Supply Recommendations
10.1
3.3-V Power
10.1.1
VIN_3V3 Input Switch
10.1.2
VBUS 3.3-V LDO
10.2
1.5-V Power
10.3
Recommended Supply Load Capacitance
11
Layout
11.1
Layout Guidelines
11.1.1
Top TPS65994AD Placement and Bottom Component Placement and Layout
11.2
Layout Example
11.3
Component Placement
11.4
Routing PP_5V, VBUS, VIN_3V3, LDO_3V3, LDO_1V5
11.5
Routing CC and GPIO
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
13.1
Package Option Addendum
13.1.1
Tape and Reel Information
10
Power Supply Recommendations