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9 TPS65988EVM Schematic

shows the block diagram of the main components of the TPS65988EVM. The main schematic blocks port A/B control MUX and SS MUX, USB

HUB, power paths, power supplies, USB Type-C receptacles, processor, BoosterPack headers, and hardware.

TPS65988

PP1_CABLE

PP2_CABLE

VIN_3V3

System 3.3V

VBUS2

Type C

Receptacle

C1_CC1/2

CC1/2

VBUS1

C2_CC1/2

CC1/2

PPEXT

PFET Control

PPEXT

PPHV

PPHV2

I2C1

I2C2

USB2.0

System Power (20V) DC

Barrel Jack

C_SSTX/RX

5/9/15/20V @3A

Variable DC/DC

5/9/15/20V @3A

Variable DC/DC

Port A

Port B

I2C

DP0-3

AUX

C_SSTX
/RX

TUSB546

System 5V

BC1.2

Sink

GPIO

MUX_CTR
L0-2

I2C

DP0-3

AUX

C_SSTX
/RX

TUSB546

source

USB2

USB

source

USB3

MUX_CTR
L0-2

USB2.0

C_SSTX/RX

BC1.2

GPIO

source

USB2

USB

source

USB3

Figure 9-1. TPS65988EVM Block Diagram

TPS65988EVM Schematic

www.ti.com

TPS65988 Evaluation Module

SLVUB62B – JUNE 2017 – REVISED NOVEMBER 2020

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Summary of Contents for TPS65988EVM

Page 1: ...igurations are required to test your system use the TPS65988 Application Configuration software tool to create a configuration or load a different configuration template see Figure 1 1 The TPS65988EVM...

Page 2: ...USB546 DP source USB2 USB source USB3 MUX_CTR L0 2 USB2 0 C_SSTX RX BC1 2 GPIO DP source USB2 USB source USB3 Copyright 2017 Texas Instruments Incorporated Figure 1 2 TPS65988EVM Block Diagram Table o...

Page 3: ...Receptacle J11 Schematic 16 Figure 5 21 USB J11 Block Diagram 16 Figure 5 22 USB Type B Receptacle J11 17 Figure 5 23 USB Type C Receptacles J2 Schematic 18 Figure 5 24 USB Type C Receptacles J2 18 Fi...

Page 4: ...Tables Table 5 1 Port A SS MUX Control LED Functions 26 Table 5 2 Port B SS MUX Control LED Functions 27 Table 5 3 Variable DC DC Control Port A B Functions 27 Table 5 4 PDO LED 0 and PDO LED 1 Truth...

Page 5: ...SB Type B cable Mini DisplayPort to DisplayPort cables Notebook with USB 2 0 USB 3 0 and DP capabilities 4 Introduction The TPS65988 is a stand alone USB Type C and Power Delivery PD controller provid...

Page 6: ...this section are listed with respect to the EVM from left to right and top to bottom Related components are listed simultaneously 5 1 1 Power Path Jumper Configuration The TPS65988EVM allows for anal...

Page 7: ...ured as Sink paths for their respective Type C ports When using the TPS65988EVM use a TPS65988 template in the TPS6598x Application Customization Tool Refer to Figure 5 1 and Figure 5 2 for the TPS659...

Page 8: ...8x Application Customization Tool In this configuration PPHV2 is used as the Source path for the Type C port it is connected to the net B Var which is the Variable DC DC used for Port B in the TPS6598...

Page 9: ...paths is used as the sink path The TPS65988 can be configured to act as a TPS65987S through the use of a TPS65987S Configuration Template in the TPS6598x Application Customization Tool Refer to Figure...

Page 10: ...P source signals to the appropriate port Figure 5 7 shows the DP source MUX Configuration Note Only one DP source can be used on either port A or port B at the same time Figure 5 7 DisplayPort Source...

Page 11: ...consists of reloading firmware FW from RAM If a valid configuration is present in the RAM the TPS65988 does not reload the configuration from the external flash Figure 5 10 highlights these features A...

Page 12: ...e When switch 1 is closed the FTDI is held in reset until the TPS65988 has successfully loaded the firmware When switch 2 is closed the FTDI can be reset externally by pin 8 on the FTDI board header J...

Page 13: ...asheet to see the different I2C address configurations The default switch setting for Switch 1 through switch 3 is open resulting in a 0x38 I2C address Switch4 through Switch6 adjusts the BusPowerZ se...

Page 14: ...or HP notebook adapter or similar adapter provides the required power This input provides the PP_HV power rail 19 V to 20 V for high power PD contracts up to 60 W per port or 120 W total An appropria...

Page 15: ...PWR 100k R71 D2 GND SENSE 1 GND 4 POWER 2 POWER 3 GND 5 SHIELD 6 SHIELD 7 SHIELD 8 SHIELD 9 J1 JPD1135 509 7F GND SYS_PWR TP5 11 0k R74 GND Figure 5 17 Barrel Jack J1 Schematic Figure 5 18 Barrel Jack...

Page 16: ...TECT 0 R109 DNP Figure 5 19 Barrel Jack Detect Schematic 5 1 9 USB Type B Connector J11 J11 is the Type B connection to the PC for testing USB 2 0 or USB 3 0 functionality A Type A to Type B cable can...

Page 17: ...Figure 5 22 USB Type B Receptacle J11 www ti com Setup SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Document Feedback TPS65988 Evaluation Module 17 Copyright 2020 Texas Instruments Incorporated...

Page 18: ...r per port via the internal high voltage power path The EVM is also capable of sinking 100 W 20 V at 5 A of power via the external power path The internal power path is used for sourcing power and the...

Page 19: ...sent on the FTDI board Figure 5 25 and Figure 5 26 highlight these features GND GND 26 ohm L7 0 01 F C143 F_5V_VBUS F_USB_D_P F_USB_D_N D16 D17 GND GND VBUS 1 D 2 D 3 ID 4 GND 5 6 7 8 11 10 9 J9 Figur...

Page 20: ...e C cable The P5V supply can operate at 4 5 V at 100 duty cycle but it is intended to supply the 5 V at 3 A when the barrel jack or system power is connected to the EVM P5V powers PP_CABLE for both po...

Page 21: ...ND Test Points TP15 TP16 and TP9 GND Test Points are provided for attaching an oscilloscope or multi meter Test Points TP10 TP11 TP17 and TP18 circled in orange are used for load testing These Test Po...

Page 22: ...illoscope to measure VCONN when an electronically marked USB Type C cable is connected Use these test points to attach an external load on VCONN Figure 5 31 and Figure 5 32 the highlight these feature...

Page 23: ...d Note that a PD power contract with the necessary capability must be negotiated in order to draw current from the VBUS test point Refer to the TPS65988 Configuration Tool User Guide for configuration...

Page 24: ...attaching an oscilloscope multimeter or external supply System power TP5 can be in the operating range of 5 20 V any voltage lower than 20 V decreases the sourcing power capabilities Figure 5 35 highl...

Page 25: ...9 22 21 24 23 J4 SSW 112 22 G D VS PB_VBUS PB_VAR_DCDC PA_VBUS PA_VAR_DCDC PB_PP_EXT_ENABLE PA_PP_EXT_ENABLE PB_USB_P PB_USB_N PA_USB_P PA_USB_N PA_CC2 PA_CC1 100k R176 DNP 100k R178 DNP 100k R151 DNP...

Page 26: ...marize the LED behavior Figure 5 37 MUX Control LEDs Figure 5 38 HPD Port A B LEDs Table 5 1 Port A SS MUX Control LED Functions LED Indicator GPIO Function D6 MXCTL0 GPIO6 USB 3 0 event D18 MXCTL1 GP...

Page 27: ...acts For higher voltage PD contracts D5 and D3 are brighter Figure 5 39 highlights these features and Table 5 3 summarizes the LED behavior Figure 5 39 PDO Port A B LEDs Table 5 3 Variable DC DC Contr...

Page 28: ...uration generated by the TPS65988 configuration tool Table 5 5 summarizes the I2C address settings To adjust the dead battery boot behavior the setting on ADCIN1 can be adjusted Table 5 6 summarizes t...

Page 29: ...on tool The EVM can also be bus powered from the USB Type C connector and accepts 5 V to 20 V on VBUS depending on the sink configuration 6 2 Firmware Configurations Out of the box the TPS65988EVM is...

Page 30: ...onnected Notebook DP USB Source TPS65988 EVM Flash Drive USB Out DP source USB source Figure 7 1 Connecting EVM to Type A Device 7 1 2 Connecting to USB Type C Devices Using a USB Type C cable allows...

Page 31: ...ype C Cable USB Type C to DP HDMI Dongle Type A Flash Drive DP HDMI Monitor Connection Options Figure 7 2 Connecting EVM to USB Type C Devices www ti com Connecting the EVM SLVUB62B JUNE 2017 REVISED...

Page 32: ...e TPS695988EVM and interfacing with configuration tool Dell laptop power supply model 492 BBGP Use the TPS65988EVM to test DP alternate mode as well as USB data using the default firmware To do so con...

Page 33: ...from port A B with a USB Type C to DP cable USB can be connected to Port A B directly with a Type C Flash Drive www ti com Connecting the EVM SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Document...

Page 34: ...drive Extend the PC to the DP monitor and play video to verify video stream Verify the voltages on the DP source board Source Test Point Test Point Name Voltage TP12 P1V2 1 2 V TP8 P3V3 3 3 V TP13 P5V...

Page 35: ...ling for Dual Role Port functionality see Figure 7 3 Verify the following system supplies System_3V3 and VIN_3V3 3 3 V System_5V and PP_CABLE 5 V Barrel jack and SYS_PWR 20 V LDO_3V3 3 3 V LDO_1V8 1 8...

Page 36: ...and CC2 to check for any anomalies Figure 7 5 shows a successful power contract When there is a short on VBUS the initial 5 V on VBUS is not present Check for a small spike on VBUS during a plug even...

Page 37: ...ts does not exceed 1 ton per year The SVHCs are shown in Table 8 1 Table 8 1 REACH Compliance Component Manufacturer Component part number SVHC Substance SVHC CAS when available Abracon ABM3 24 000MHZ...

Page 38: ...PPHV2 I2C1 I2C2 USB2 0 System Power 20V DC Barrel Jack C_SSTX RX 5 9 15 20V 3A Variable DC DC 5 9 15 20V 3A Variable DC DC Port A Port B I2C DP0 3 AUX C_SSTX RX TUSB546 System 5V System 5V BC1 2 Sink...

Page 39: ...ns for GPIOs D and D CC1 and CC2 HRESET I2C lines SPI for flash memory and ADC1 and ADC2 Figure 9 2 TPS65988EVM Processor Block www ti com TPS65988EVM Schematic SLVUB62B JUNE 2017 REVISED NOVEMBER 202...

Page 40: ...ternal power path is used for sourcing power and the external power path is used for sinking power The TPS65988 power path can provide power to VBUS or consume power from VBUS Figure 9 3 TPS65988EVM P...

Page 41: ...and 5 V The minimum voltage for SYS_PWR is 5 V however this also decreases VBUS maximum power capabilities When using a lower voltage the comparator circuit may have to be adjusted to trip at a lower...

Page 42: ...splayPort signals to either USB Type C Port Figure 9 5 TPS65988EVM DisplayPort Mux TPS65988EVM Schematic www ti com 42 TPS65988 Evaluation Module SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Docume...

Page 43: ...E from DisplayPort Achieve configurations through GPIO or I2C As the host the SS MUX is capable of USB 3 1 data rates up to 5 Gbps and DP 1 4 up to 8 1 Gbps with 2 or 4 DP lanes Figure 9 6 TPS65988EV...

Page 44: ...E from DisplayPort Achieve configurations through GPIO or I2C As the host the SS MUX is capable of USB 3 1 data rates up to 5 Gbps and DP 1 4 up to 8 1 Gbps with 2 or 4 DP lanes Figure 9 7 TPS65988EV...

Page 45: ...connections from the USB source receptacle Figure 9 8 TPS65988EVM USB HUB www ti com TPS65988EVM Schematic SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Document Feedback TPS65988 Evaluation Module...

Page 46: ...SB Type C port A and ESD protection Figure 9 9 TPS65988EVM USB Type C Port A Block TPS65988EVM Schematic www ti com 46 TPS65988 Evaluation Module SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Docume...

Page 47: ...SB Type C port B and ESD protection Figure 9 10 TPS65988EVM USB Type C Port B Block www ti com TPS65988EVM Schematic SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Document Feedback TPS65988 Evaluati...

Page 48: ...connections from the FTDI board Figure 9 11 TPS65988EVM FTDI Connector Block TPS65988EVM Schematic www ti com 48 TPS65988 Evaluation Module SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Document Fee...

Page 49: ...IN_3V3 for port A and port B Figure 9 12 TPS65988EVM Current Sense Block Port A Figure 9 13 TPS65988EVM Current Sense Block Port B www ti com TPS65988EVM Schematic SLVUB62B JUNE 2017 REVISED NOVEMBER...

Page 50: ...e connections to the BoosterPack headers Figure 9 14 TPS65988EVM BoosterPack Header Block TPS65988EVM Schematic www ti com 50 TPS65988 Evaluation Module SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit...

Page 51: ...1 TPS65988EVM Top Overlay Figure 10 2 TPS65988EVM Solder Figure 10 3 TPS65988EVM Top Layer SSTXRX1 Figure 10 4 TPS65988EVM GND Plane 1 www ti com TPS65988EVM Board Layout SLVUB62B JUNE 2017 REVISED NO...

Page 52: ...VM GND Plane 2 Figure 10 7 TPS65988EVM Power 1 Figure 10 8 TPS65988EVM Power 2 TPS65988EVM Board Layout www ti com 52 TPS65988 Evaluation Module SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Documen...

Page 53: ...Figure 10 11 TPS65988EVM Solder Mask Figure 10 12 TPS65988EVM Bottom Layer Component View www ti com TPS65988EVM Board Layout SLVUB62B JUNE 2017 REVISED NOVEMBER 2020 Submit Document Feedback TPS6598...

Page 54: ...1 GRM033R61A103KA01D Murata C7 C8 C20 C21 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C55 C56 C64 C65 C72 C88 24 22uF CAP CERM 22 F 35 V 20 X5R 0805 0805 C2012X5R1V226M125AC TDK C9 C10 C22...

Page 55: ...101_PA C101_PB 2 0 1uF CAP CERM 0 1 F 100 V 10 X7R 0603 0603 GRM188R72A104KA35D Murata C108 C127 C156 C168 C169 5 1uF CAP CERM 1 F 10 V 20 X5R 0201 0201 CL03A105MP3NSNC Samsung Electro Mechanics C109...

Page 56: ...x1 R A Bottom Mount SMT Receptacle 0 65mm 5x1 R A SMT 47346 1001 Molex J11 1 Connector Receptacle USB 3 1 Type B R A TH Connector Receptacle USB 3 1 Type B R A TH GSB4211311WEU Amphenol Canada L1 L2 L...

Page 57: ...R19 R29 R41 R46_PA_SS R46_PB_SS R49_PA_SS R49_PB_SS R71 R83 R96 R104 R106 R122_PA R122_PB R152 R154 R177 R179 R180 R181 R182 24 100k RES 100 k 1 0 05 W 0201 0201 CRCW0201100KFKED Vishay Dale R13 R17...

Page 58: ...shay Dale R77 R90 R120 3 19 1k RES 19 1 k 1 0 063 W 0402 0402 CRCW040219K1FKED Vishay Dale R79 R93 2 18 0k RES 18 0 k 1 0 063 W AEC Q200 Grade 0 0402 0402 CRCW040218K0FKED Vishay Dale R80 R94 2 7 15k...

Page 59: ...5 TP16 17 Test Point Miniature SMT Test Point Miniature SMT 5019 Keystone U1 1 3V 8Mbit Serial Flash Memory with Dual and Qual SPI SOIC 8 SOIC 8 W25Q80DVSNIG Winbond U2 1 Dual Port USB Type C USB PD C...

Page 60: ...l 24 MHz 18 pF SMD ABM3 ABM3 24 000MHZ D2W T Abracon Corporation C77 C93 0 300pF CAP CERM 300 pF 25 V 5 C0G NP0 0402 0402 GRM1555C1E301JA01D Murata R20 R30 R32 R319 R320 0 0 RES 0 5 0 125 W 0805 0805...

Page 61: ...RCW06030000Z0EA Vishay Dale R147 0 3 83k RES 3 83 k 1 0 05 W 0201 0201 CRCW02013K83FKED Vishay Dale R151 R153 R176 R178 0 100k RES 100 k 1 0 1 W 0603 0603 CRCW0603100KFKEA Vishay Dale U21 0 Single 2 I...

Page 62: ...Compliance section 37 Changed the images in the TPS65988EVM Board Layout section 51 Changes from Revision June 2017 to Revision A June 2018 Page Overall rework of this user s guide for revision A from...

Page 63: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 64: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 65: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 66: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 67: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 68: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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