Rohm BD93E11GWL-EVK-001 User Manual Download Page 16

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No. 64UG056E Rev.001

2021.10

User’s Guide

BD93E11GWL-EVK-001 (Stand-Alone)

Reference Application Data

20V

VBUS

VSNK

CC1

CC2

Plug

Insertion

VBUS

output from

Source side

PD Contract

Completion

PD Communication

on CC1

Figure 16. The waveform of the USB PD Negotiation at 20V

VBUS

VSNK

CC1

CC2

Source

Capability Request Accept PS_RDY

E-marked

Cable

Detection

PD Contract

Completion

Turn on FET(Q20,Q21) by PD

contract completion then

VBUS is supplied to VSNK

Figure 17. The Waveform of the USB PD Negotiation at 20V (Detailed PD Communication)

Summary of Contents for BD93E11GWL-EVK-001

Page 1: ...f the DIP switches on the board The EVK assumes Stand Alone operation in the Dead Battery mode so this EVK does not need an external power source and works as a VBUS powered product The board will sup...

Page 2: ...EVK Overview Figure 1 BD93E11GWL EVK 001 Top View Descriptions of EVK function Figure 2 The descriptions of the part of BD93E11GWL EVK 001 This EVK has the functions that are defined in Table 1 Other...

Page 3: ...d Note that the indication doesn t mean that VBUS is supplying VSNK The LED also turns on when the 5V PD contract is established due to the less power capability of the source side 8 LED of ORIENT LD_...

Page 4: ...4 18 2021 ROHM Co Ltd No 64UG056E Rev 001 2021 10 User s Guide BD93E11GWL EVK 001 Stand Alone EVK schematic Figure 3 BD93E11GWL EVK 001 Schematic...

Page 5: ...ls It is highly recommended to be checked These jumpers are present by default 2 Short EN and ADCIN on JP_TOP if the Over Temperature Protection with the external PTC thermistor is in use If not in us...

Page 6: ...he connected device is a Sink device The connected Source device cannot meet the required power or voltage configured by PMIN or VMIN There may be a latched off state that is caused by the overvoltage...

Page 7: ...an existing system board has USB Type B Figure 6 An example of the connection of the EVK supplying power to an existing system board JP_USBD2 JP_USBD1 P N P N VS NK VB RD Y PCB0214 Rev A GND SoC USB...

Page 8: ...ing operation Please do the following procedures to set the new configuration Settings will be reflected after a power cycle of the EVK 1 Turn off VSRC5V if powered up 2 Unplug the Type C cable from t...

Page 9: ...2 15 4 15 15 27 5 16 16 36 6 18 18 45 7 19 19 60 8 20 20 80 Required voltage depending on the power specified for the Source device specified in the PDP Rating in the USB PD standard Others are option...

Page 10: ...nd SW_PMIN 15W Set to 3 9 Contracted PDO A contractable range by a Source SW_VMIN 2 SW_VMAX 4 SW_PMIN 3 The actual contractable range by USB PD Voltage V Current A Figure 10 The contractable range wit...

Page 11: ...MOS FET Q20 and Q21 on VBUS power line to isolate VBUS from the system safely To enable this protection connect JP_OTP EN and ADSIN with a jumper pin Other than the temperature detected at RTHU the o...

Page 12: ...D 100K ROHM MCR01MZPF1003 1005 0402 RUFPU 100K ROHM MCR01MZPF1003 1005 0402 RUFPD 100K Not Mount 1608 0603 RLD1 RLD2 RLD3 RSCL RSDA 3 3k ROHM MCR01MZPF3301 1005 0402 RTHU 22K ROHM MCR01MZPF2202 1005 0...

Page 13: ...11GWL EVK 001 Stand Alone Part Value Manufacturer Model Number Size mm inch CN_HOST HDR2X3 ADAM TECH PH2 06 UA HDR2X3 CN_DBG HDR1X4 ADAM TECH PH1 04 UA HDR1X4 JP_STP JP_OTP HDR1X3 ADAM TECH PH1 03 UA...

Page 14: ...1 2021 10 User s Guide BD93E11GWL EVK 001 Stand Alone Board Layout EVK PCB Information Number of Layers Material Board Size Copper Thickness 4 FR 4 70mm x 50mm x 1 6mmt 1oz 35 m Figure 12 Top Layer To...

Page 15: ...15 18 2021 ROHM Co Ltd No 64UG056E Rev 001 2021 10 User s Guide BD93E11GWL EVK 001 Stand Alone Figure 14 Middle Layer 2 Top View Figure 15 Bottom Layer Top View...

Page 16: ...m Source side PD Contract Completion PD Communication on CC1 Figure 16 The waveform of the USB PD Negotiation at 20V VBUS VSNK CC1 CC2 Source Capability Request Accept PS_RDY E marked Cable Detection...

Page 17: ...d digital communication with 1 UI of 300kHz It is necessary to check this communication for analyzing and debugging when introducing the USB PD system Below are some relatively inexpensive protocol an...

Page 18: ...18 18 2021 ROHM Co Ltd No 64UG056E Rev 001 2021 10 User s Guide BD93E11GWL EVK 001 Stand Alone Revision History Date Revision Number Description Oct 19 2021 001 Initial release...

Page 19: ...ch technical information The Products specified in this document are not designed to be radiation tolerant For use of our Products in applications requiring a high degree of reliability as exemplified...

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