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R9A02G011
2. Design check list
Following checklists are written based on Renesas Reference Design
recommended guideline. The result of design by using following checklists is no guarantee. Use them for
reference only.
Note The information of reference design is available in Renesas web site.
2.1 Check list for source-only device
(1) Power / Data Role check
Power Role
SRC
Data Role
(2) Power supply and USB Type-C™ check
Section
Sub-section
Power supply
Operating Range
System Reset
Power
Stabilization
Reset
USB Type-C
VBUS
CC trace
BCD-ISG-19-5034 Rev.1.0
Apr 04, 2019
UFP DFP DRD
Description
Check "VDD" is supplied from the power source within 3.0 V - 5.5 V
Check 4.7 uF decoupling capacitor is put on near "REGCTX" pin.
Check 1 uF decoupling capacitor is put on near "REGC" pin.
Check "RESETB" pin is pulled up VDD via 10 kohm resistor.
Check VBUS leakage impedance is more than "72.4 kohm" on USB Type-C
Receptacle (VBUS) pin.
Check VBUS capacitance is less than "10 uF" on USB Type-C Receptacle
(VBUS) pin.
Connect "CC1" and "CC2" to USB Type-C Receptacle (CC1/CC2) pin.
Check 330 pF is put on near "CC1" and "CC2" pins individually.
Check "RD1" and "RD2" are open individually.
Check VCONN source is connected to "CC1" and "CC2" individually.
Board Design Guide
Note
which are designed by Renesas
Check
Page 8 of 17
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