USB84604 Datasheet, PDF (22/61 Pages) Microchip Technology – USB 2.0 HSIC Hi-Speed 4-Port Controller Hub

USB84604
4.3 Power Connection Diagrams
Figure 4-1 illustrates the power connections for the USB84604 with various power supply configurations.
FIGURE 4-1:
POWER CONNECTIONS
Single Supply Application
VBAT
Supply
3.3 V Internal
Logic
3.3 V I/O
1.2 V
Core Logic
HSIC ^VDD12
VBAT
3.3 V Regulator
(IN)
(OUT)
1.2 V Regulator
(IN)
(OUT)
4.7 µF
USB84604
VSS
VDDA33 VDD33
(3x)
(2x)
VDDCOREREG
VDDCR12
1.0 µF
1.0 µF
Dual Supply Application
VBAT
Supply
3.3 V Internal
Logic
3.3 V I/O
1.2 V
Core Logic
HSIC ^VDD12
VBAT
3.3 V Regulator
(IN)
(OUT)
1.2 V Regulator
(IN)
(OUT)
4.7 µF
USB84604
VSS
VDDA33 VDD33
(3x)
(2x)
VDDCOREREG
1.0 µF
+1.8 V
Supply
4.7 µF
VDDCR12
1.0 µF
Note: To achieve the lowest power possible, tie the VDD12 pin to VDDCR12.
DS60001295C-page 22
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