40
OSD3358-SM-RED
– User Guide
Rev. 1.0 9/19/2017
Octavo Systems LLC
Copyright 2017
port, or Single Cell Li-Ion battery. Figure 38 shows the power system of OSD335x-SM including
connections between the PMIC and various power domains of the processor.
Figure 38: Power system outline of OSD335x-SM
Table 2 shows the voltage output levels of each of the voltage sources which can be measured
on the respective test point. Each of the output voltages can be changed dynamically using I2C
commands when the PMIC is in active mode.
Table 2: PMIC Voltage outputs
TPS65217C
Voltage
Source
OSD335x-SM
Voltage rail
Test Point
Label
Voltage (V)
DCDC1
VDDS_DDR
TP1
1.5
DCDC2
VDD_MPU
TP3
1.1
DCDC3
VDD_CORE
TP2
1.1
LDO1
SYS_RTC_1P8V
TP14
1.8
LDO2
SYS_VDD2_3P3V TP13
3.3
LDO3
SYS_VDD_1P8V
TP15
1.8
LDO4
SYS_VDD3_3P3V TP16
3.3
