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MCP73833-AMI/MF Fiches technique(PDF) 21 Page - Microchip Technology

No de pièce MCP73833-AMI/MF
Description  Stand-Alone Linear Li-Ion / Li-Polymer Charge Management Controller
PDF  32 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73833-AMI/MF Fiches technique(HTML) 21 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22005B-page 21
MCP73833/4
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,
recommended to minimize voltage drops along the
high current-carrying PCB traces.
If the PCB layout is used as a heatsink, adding many
vias in the heatsink pad can help conduct more heat to
the backplane of the PCB, thus reducing the maximum
junction temperature. Figures 6-4 and 6-5 depict a
typical layout with PCB heatsinking.
FIGURE 6-4:
Typical Layout (Top).
FIGURE 6-5:
Typical Layout (Bottom).
MCP73833
VBAT
VDD
VSS
CIN
COUT
THERM
PG
STAT1
STAT2
RPROG
VBAT
VSS
VDD



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