In our product we are using TPS65070 PMIC to supply OMAP L138 and MSP430.
We are trying to switch off TPS65070 PMIC outputs DCDC1, DCDC2, DCDC3 and LDO2. We need only LDO1 output supply always ON. It is not happening.
We tried to validate this using TPS65070 evaluation board, my observations are
1). The TPS65070 outputs DCDC1, DCDC2, DCDC3 and LDO2 output Switched off through I2C bus and LDO1 output supply ON.
We observed in TPS65070 EVM, All TPS65070 PMIC outputs are switched off and VSYS also OFF state
2). We Tried to switch off DCDCs one by one and while Switching OFF DCDC2 full system output are OFF.
# DCDC1 disabled through I2C and it is observed in EVM
# DCDC3 disabled through I2C and it is observed in EVM
# LDO1 disabled through I2C and it is observed in EVM
# LDO2 disabled through I2C and it is observed in EVM
# DCDC2 disabled through I2C. During this test we observed, TPS65070 outputs are disabled and Vsys also power down .
Is it possible to switch of all DCDC outputs in TPS65070?