Dear all.
The TPS659039-Q1 is not working and is being checked.
The problem is that RC 32 kHz does not turn out in the datasheet Figure 6-20 and therefore not all DCDC & LDO outputs.
Below are the connections.
Pin | connection |
VCC1 | 3.3V |
VCC_SENSE | 3.3V |
VCC_SENSE2 | 3.3V |
PWRON | Pull-up(120k)à3.3V |
RPWRON | Floating |
POWERDOWN | Floating |
BOOT0 | Pull-down |
BOOT1 | Pull-down |
RESET_IN | High(3.3V) |
ENABLE1 | Floating |
GPIO0 | Pull-down |
GPIO1 | Floating |
GPIO2 | Floating |
GPIO3 | Pull-down |
GPIO4 | Floating |
GPIO5 | Pull-down |
GPIO6 | Floating |
GPIO7 | Pull-up(10k)àLDOVRTC |
VPROG | GND |
VBUS | Pull-down(10k) |
PWRGOOD | Floating |
NSLEEP | Floating |
NRESWARM | Floating |
VBG | Cap 100nF |
Please advise me on this matter.