USB4624 datasheet(23/58 Pages) MICROCHIP

Part #	USB4624

Description	USB 2.0 HSIC Hi-Speed 4-Port Hub Controller

PDF	58 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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23 / 58 page

USB 2.0 HSIC Hi-Speed 4-Port Hub Controller

Datasheet

 2014 Microchip Technology Inc.

DS00001717A-page 23

4.3

Power Connection Diagrams

Figure 4.1 illustrates the power connections for the USB4624 with various power supply configurations.

Note: To achieve the lowest power possible, tie the VDD12 pins to VDD12CR.

Figure 4.1 Power Connections

HSIC

3.3V Regulator

(IN)

(OUT)

VBAT

VBAT/+3.3V

Supply

1.2V

Core Logic

3.3V I/O

USB4624

Single Supply Application

1.2V Regulator

(IN)

(OUT)

3.3V Internal

Logic

VDDA33

(3x)

1.0uF

VDDCOREREG

VDDCR12

1.0uF

HSIC

3.3V Regulator

(IN)

(OUT)

VBAT

+3.3V

Supply

1.2V

Core Logic

3.3V I/O

USB4624

Dual Supply Application (3.3V & 1.8V)

1.2V Regulator

(IN)

(OUT)

3.3V Internal

Logic

1.0uF

VDDCOREREG

VDDCR12

1.0uF

+1.8V

Supply

VDD33

(2x)

VDDA33

(3x)

VDD33

(2x)

VDD12

(3x)

VDD12

(3x)

VSS

4.7uF

VSS

4.7uF

USB4624 Datasheet(PDF) 23 Page - Microchip Technology

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