Part Number: TDA4VL-Q1
Other Parts Discussed in Thread: TDA4VL, , SK-AM68
Hi,
Excuse me, I have a few question boxes to ask for advice. Firstly, can this TDA4VL system do not use the PMIC? Because we have encountered insurmountable problems with the PMI. So, we want to try other ways to power the System. But we don't know if it's feasible. Secondly, if we want to supply power in other ways, do you have any good suggestions? Is there anything else to be noticed?
shalom! Please ask, I use Scalable-PMICs-GUI 3.0.0, in the PCB only welded TPS65941120RWERQ1, can be connected through I2C, as shown in the figure below, from this software how can check the chip into what state? With this software drive, buck and LDO output can normally output, but without this software drive, buck and LDO output can not output.
We followed the scheme of TDA4VE, VL, using the PMIC by TPS65941120RWERQ1 + TPS65941421RWERQ1 + LP876411B5RQKRQ1. The current situation is that none of the three PMIC had output，
VOUT _ LDOVRTC and VOUT _ LDOVINT are output by 1.8V; connected through I2C with TPS65941111EVM, only connected to the next two PMIC, the main TPS65941120RWERQ1 is not connected, I wonder what reason caused? Please guide once, thank you! As illustrated in following figure:
Hello Nicholas McNamara,
The VCCA of TPS65941120, 3.3V,
SPMI don't have signal; LDO2 (VDD_MCU_GPIORET_3V3) is 0.8V;
We individually welded the TPS65941120 plates, the signal of the SPMI is as follows:
SDA
SCL
Please help it out and check it out. Thank you very much!
