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MCP73123-22S/MF Datasheet(PDF) 17 Page - Microchip Technology

Part # MCP73123-22S/MF
Description  Lithium Iron Phosphate (LiFePO4) Battery Charge Management Controller with Input Overvoltage Protection
PDF  28 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73123-22S/MF Datasheet(HTML) 17 Page - Microchip Technology

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 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 VBAT and VSS 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



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