SLVUBT0A June 2020 – January 2021
The EVM can be powered solely from the 5 V USB connection (either 5V VUSB or 3.3V USB_3V3), provided that the total load does not exceed the USB. This removes the requirement for a separate supply when evaluating a number of the digital features of the PMIC with the EVM.
The three distinguishing characteristics of the slave EVM are the PMIC, the backside components described in Figure 4-3, and the jumper position on J37. With the jumper on J37 placed in the slave position, the ENABLE pin of the slave PMIC is connected to the VOUT_LDOINT output pin of the master PMIC through the J29 Stack-up header. Once the master and slave devices are stacked, supplying power on J6 is the only requirement for getting started. VSYS_IN is connected to VCCA and distributed across all stacked boards through J28. The power supply can be applied to any of the available J6 terminals.