SLVSDB5B
July 2018 – August 2021
TPS65988
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
Thermal Information
6.5
Power Supply Requirements and Characteristics
6.6
Power Consumption Characteristics
6.7
Power Switch Characteristics
6.8
Cable Detection Characteristics
6.9
USB-PD Baseband Signal Requirements and Characteristics
6.10
BC1.2 Characteristics
6.11
Thermal Shutdown Characteristics
6.12
Oscillator Characteristics
6.13
I/O Characteristics
6.14
PWM Driver Characteristics
6.15
I2C Requirements and Characteristics
6.16
SPI Controller Timing Requirements
6.17
HPD Timing Requirements
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
8.3.2
Power Management
8.3.2.1
Power-On And Supervisory Functions
8.3.2.2
VBUS LDO
8.3.2.3
Supply Switch Over
8.3.3
Port Power Switches
8.3.3.1
PP_HV Power Switch
8.3.3.1.1
PP_HV Over Current Clamp
8.3.3.1.2
PP_HV Over Current Protection
8.3.3.1.3
PP_HV OVP and UVP
8.3.3.1.4
PP_HV Reverse Current Protection
8.3.3.2
Schottky for Current Surge Protection
8.3.3.3
PP_EXT Power Path Control
8.3.3.4
PP_CABLE Power Switch
8.3.3.4.1
PP_CABLE Over Current Protection
8.3.3.4.2
PP_CABLE Input Good Monitor
8.3.3.5
VBUS Transition to VSAFE5V
8.3.3.6
VBUS Transition to VSAFE0V
8.3.4
Cable Plug and Orientation Detection
8.3.4.1
Configured as a DFP
8.3.4.2
Configured as a UFP
8.3.4.3
Configured as a DRP
8.3.4.4
Fast Role Swap Signaling
8.3.5
Dead Battery Operation
8.3.5.1
Dead Battery Advertisement
8.3.5.2
BUSPOWER (ADCIN1)
8.3.6
Battery Charger Detection and Advertisement
8.3.6.1
BC1.2 Data Contact Detect
8.3.6.2
BC1.2 Primary and Secondary Detection
8.3.6.3
Charging Downstream Port Advertisement
8.3.6.4
Dedicated Charging Port Advertisement
8.3.6.5
2.7V Divider3 Mode Advertisement
8.3.6.6
1.2V Mode Advertisement
8.3.6.7
DCP Auto Mode Advertisement
8.3.7
ADC
8.3.8
DisplayPort HPD
8.3.9
Digital Interfaces
8.3.9.1
General GPIO
8.3.9.2
I2C
8.3.9.3
SPI
8.3.10
PWM Driver
8.3.11
Digital Core
8.3.12
I2C Interfaces
8.3.12.1
I2C Interface Description
8.3.12.2
I2C Clock Stretching
8.3.12.3
I2C Address Setting
8.3.12.4
Unique Address Interface
8.3.12.5
I2C Pin Address Setting (ADCIN2)
8.3.13
SPI Controller Interface
8.3.14
Thermal Shutdown
8.3.15
Oscillators
8.4
Device Functional Modes
8.4.1
Boot
8.4.2
Power States
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
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
External Sink Power Path Options
9.2.1.2.1.1
Load Switch Power Path
9.2.1.2.1.2
Discrete Power Path
9.2.1.2.2
Type-C Connector VBUS Capacitors
9.2.1.2.3
VBUS Schottky and TVS Diodes
9.2.1.2.4
VBUS Snubber Circuit
9.2.1.3
Application Curves
9.2.2
Dual Port Thunderbolt Notebook with AR Supporting USB PD Charging
9.2.2.1
Design Requirements
9.2.2.2
USB Power Delivery Source Capabilities
9.2.2.3
USB Power Delivery Sink Capabilities
9.2.2.4
Supported Data Modes
9.2.2.5
RESETN
9.2.2.6
I2C Design Requirements
9.2.2.7
TS3DS10224 SBU Mux for AUX and LSTX/RX
9.2.2.8
Thunderbolt Flash Options
9.2.3
Dual Port USB & Displayport Notebook Supporting PD Charging
9.2.3.1
Design Requirements
9.2.3.2
USB Power Delivery Source Capabilities
9.2.3.3
USB Power Delivery Sink Capabilities
9.2.3.4
Supported Data Modes
9.2.3.5
TUSB1044 Re-Driver GPIO Control
9.2.4
USB Type-C & PD Monitor/Dock
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
9.2.4.2.1
USB Power Delivery Source Capabilities
9.2.4.2.2
USB and DisplayPort Supported Data Modes
9.2.4.2.3
TUSB1064 Super Speed Mux GPIO Control
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
1.8-V Power
10.3
Recommended Supply Load Capacitance
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Stack-Up and Design Rules
11.4
Main Component Placement
11.5
1.4 Super Speed Type-C Connectors
11.6
Capacitor Placement
11.7
CC1/2 Capacitors & ADCIN1/2 Resistors
11.8
CC & SBU Protection Placement
11.9
CC Routing
11.10
DRAIN1 and DRAIN2 Pad Pours
11.11
USB2 Routing for ESD Protection and BC1.2
11.12
VBUS Routing
11.13
Completed Layout
11.14
Power Dissipation
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.1.2
Firmware Warranty Disclaimer
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RSH|56
MPQF191C
Thermal pad, mechanical data (Package|Pins)
RSH|56
QFND570A
Orderable Information
slvsdb5b_oa
slvsdb5b_pm
12
Device and Documentation Support