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SX8663 Datasheet(PDF) 34 Page - Semtech Corporation

Part # SX8663
Description  Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output
PDF  64 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8663 Datasheet(HTML) 34 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
Rev5 4
th August 2011
© 2011 Semtech Corp.
www.semtech.com
34
SX8663
Capacitive Button Matrix (up to 36) and Proximity Controller
with Individual LED Drivers and Buzzer Output
4.4
Power management pins
The power management pins consist of the Power, Ground and Regulator pins.
VDD
VDD is a power pin and is the main power supply for the SX8663.
VDD has protection to GROUND.
Figure 41 shows a simplified diagram of the VDD pin.
Figure 41
Simplified diagram of VDD
GND
The SX8663 has four ground pins all named GND. These pins and the package center pad need to be connected
to ground potential.
The GND has protection to VDD.
Figure 42 shows a simplified diagram of the GND pin.
Figure 42
Simplified diagram of GND
VDD
SX8663
VDD
VDD
SX8663
GND
GND



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