SLVUD94 September 2025 UCC27734 , UCC27734-Q1 , UCC27735 , UCC27735-Q1
Table 4-1 details the connection descriptions.
| Pins | Description |
|---|---|
| VCC | VCC positive input bias supply test point. Powers IC VDD pin, use 10V to 21V range. |
| VDD | VDD positive input bias of UCC27735-Q1 IC |
| GND | Multiple test points. VCC negative input, HI_IN,LI_IN, and ENA_IN negative inputs, and ground at UCC27735-Q1 IC |
| HI_IN | High-side input to EVM |
| HI | High-side input pin, HI |
| LI_IN | Low-side input to EVM |
| LI | Low-side input pin, LI |
| ENA_IN | Enable input to EVM. Connect to GND to disable driver. |
ENA | Enable input pin, EN/NC |
| VHB | HB pin voltage |
| HO LD | High-side output at capacitive load |
| HO | High-side output pin |
| HS | High-side driver return pin. Usually connected to high-side MOSFET source. |
| LO LD | Low-side output at capacitive load |
| LO | Low-side output pin |
COM | Low-side driver return pin. Usually connected to low-side MOSFET source. |
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