SLVSHJ7A February 2025 – September 2025 DRV8163-Q1
PRODUCTION DATA
The SPI variant allows control of the bridge through the specific register bits, S_DRVOFF, S_IN in the SPI_IN register, provided the SPI_IN register has been unlocked. The user can unlock this register by writing the right combination to the SPI_IN_LOCK bits in the COMMAND register.
Additionally, the user can configure between an AND / OR logic combination of each of external input pin with the equivalent register bit in the SPI_IN register. This logical configuration is done through the equivalent selects bits in the CONFIG4 register:
This logical combination offers more configurability to the user as shown in the table below.
| Example | CONFIG4: xxx_SEL Bit | PIN status | SPI_IN Bit Status | Comment |
|---|---|---|---|---|
| DRVOFF as redundant shutoff | DRV_SEL = 0b | DRVOFF active | S_DRVOFF active | Either DRVOFF pin = 1 or S_DRVOFF bit = 1 shutsoff the output |
| Pin only control | DRV_SEL = 1b | DRVOFF active | S_DRVOFF = 1b | Only DRVOFF pin function is available |
| Register only control | IN_SEL = 0b | IN - short to GND or float | S_IN active | IN function is controlled by the register bit alone |