SPRUJA1 October 2023
INA231 power monitor devices are used to monitor current and voltage of various power rails of AM62x SIP processor. The INA231 interfaces to the AM62x SIP through I2C interface (SoC_I2C1). Four terminal, high precision shunt resistors are provided to measure load current.
Source | Supply Net | Device Address | Value of the Shunt Connected to the Supply Rail |
---|---|---|---|
VCC_CORE | VDD_CORE | 0x40 | 1mΩ± 1% |
VCC_3V3_SYS | SoC_DVDD3V3 | 0x4C | 10mΩ± 1% |
VCC_1V8 | SoC_DVDD1V8 | 0x45 | 10mΩ± 1% |
VDDA1V8 | VDDA_1V8 | 0x4D | 10mΩ± 1% |
VCC1V1_DDR | VDD_DDR | 0x47 | 10mΩ± 1% |