Usb Charger; Uart Configuration; Figure 31: Steval-Isb044V1 Evaluation Board: External Power Supply Connection - ST STEVAL-ISB044V1 User Manual

UM2301
4.2

USB charger

The board can be supplied by a USB charger. The jumper J101 should be set to select the
USB supply input.
CIA simple 5 V USB charger can be used. Considering the peak currents and the system
efficiency, a 5 V/2 A USB charger must be considered. At this input voltage, BPP mode
only is available.
It is also possible to use a Quick Charge (QC) wall charger in order to provide higher
voltage. By default, D+/D- interface selects 12V on V
mode.
To provide 15 W on the receiver side and considering the system efficiency, a 24 W Quick
Charge wall charger should be used.
The 24 W QC wall charger, with Quick Charge 3.0, tested with our solution is
manufactured by KOVOL.
The USB cable between the charger and the board should be of good quality. To minimize
the losses, a 20 AWG USB cable must be used.
4.3

UART configuration

The STSW-STWBCGUI is installed on the PC connected to the board via the USB-to-
UART cable (connected on the board J501 USB debug connector).
Figure 31: STEVAL-ISB044V1 evaluation board: power supply connection
This UART connection is mandatory for parameter settings and debug of the
board which is using the STSW-STWBCGUI.
DocID031141 Rev 1
Evaluation equipment setup
. This enables to support EPP
BUS
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