SLVUD94 September 2025 UCC27734 , UCC27734-Q1 , UCC27735 , UCC27735-Q1
The UCC27735Q1EVM has an external bootstrap diode included and a 2.2Ω series resistor (R2).
As a general guideline TI recommends making provisions for resistance in series with the bootstrap diode. A value of 2.2Ω to 10Ω is recommended.