SP2525 Ver la hoja de datos (PDF) - Signal Processing Technologies

Número de pieza

componentes Descripción

Fabricante

SP2525

+3.0V to +5.5V USB Power Control Switch

Signal Processing Technologies 

ENA 1

FLGA 2

FLGB 3

ENB 4

SP2525

8 OUTA

7 IN

6 GND

5 OUTB

+5.0V

0.1µF to 1.0µF

USB

Controller

OVERCURRENT

+5.0V

0.1µF

10kΩ

10kΩ

ENA 1

FLGA 2

FLGB 3

ENB 4

SP2525

8 OUTA

7 IN

6 GND

5 OUTB

Figure 4. Bypass Capacitor at the Supply Pins

Figure 5. An RC Filter for Overcurrent Faults

USB

Controller

USB Powered Hub

VBUS

USB

Cable

USB Host

4.7µF

GND

ENA 1

FLGA 2

FLGB 3

ENB 4

SP2525

8 OUTA

7 IN

6 GND

5 OUTB

0.1µF

CBULK

USB Downstream

Cable USB Device

Figure 6. Soft Start Circuit Configuration for a Single Channel USB-powered Application with the SP2526

Rev. 8/21/01

SP2525 +3.0 to +5.5 Power Control Switch

9

© Copyright 2001 Sipex Corporation

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