Datasheet

 2009-2013 Microchip Technology Inc. DS22191E-page 17
MCP73123/223
6.2 PCB Layout Issues
For optimum voltage regulation, place the battery pack
as close as possible to the device’s V
BAT
and V
SS
pins
to minimize voltage drops along the high-current-
carrying PCB traces.
If the PCB layout is used as a heat sink, adding multiple
vias in the heat sink pad can help conduct more heat to
the backplane of the PCB, thus reducing the maximum
junction temperature.
Figure 6-3, Figure 6-4 and
Figure 6-5 depict a typical layout with PCB heatsinking.
FIGURE 6-3: Typical Layout (Top).
FIGURE 6-4: Typical Layout (Top Metal).
FIGURE 6-5: Typical Layout (Bottom).
MCP73X23EV-LFP