, the I2C0 bus provides access to the PMBus power controllers
and the INA226 power monitors through the U17 PCA9544A bus switch. All PMBus controlled
Infineon regulators are tied to the IRPS5401_SDA/SCL PMBUS, while the INA226 power
monitors are separated on to INA226_PMBUS.
document the I2C0 bus access path to the Infineon PMBus controllers and
INA226 power monitor op amps. Also refer to schematic 038-05070-01. Power rail
measurements are accessible to the system controller and RFSoC PL logic through their
respective I2C0 bus connections.
Chapter 3: Board Component Descriptions
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ZCU670 Board User Guide
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